{"id":48284,"date":"2023-07-22T13:45:47","date_gmt":"2024-01-18T20:28:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/"},"modified":"2024-04-30T14:51:00","modified_gmt":"2024-04-30T06:51:00","slug":"%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/","title":{"rendered":"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09"},"content":{"rendered":"<h1>\u8bf7\u7528\u6c49\u8bed\u5c06\u4e0b\u9762\u7684\u53e5\u5b50\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a<\/h1>\n<p>\u304a\u984c<\/p>\n<p>\u4e4b\u524d\uff0c\u6211\u5728\u4ee5\u4e0b\u6587\u7ae0\u4e2d\u5c1d\u8bd5\u5b9e\u73b0\u4e86Relay\u6837\u5f0f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u306b\u304a\u3051\u308bRelay\u30b9\u30bf\u30a4\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u88c5\uff08\u524d\u7de8\uff1a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">GraphQL\u306b\u304a\u3051\u308bRelay\u30b9\u30bf\u30a4\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u88c5\uff08\u5f8c\u7de8\uff1a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\uff09<\/ul>\n<p>\u7136\u800c\uff0c\u5c06\u201c\u524d\u540e\u9875\u9762\u5bfc\u822a\u201d\u548c\u201c\u6839\u636e\u4efb\u610f\u9879\u76ee\u6309\u5347\u5e8f\u6216\u964d\u5e8f\u6392\u5e8f\u201d\u8fd9\u4e24\u4e2a\u8981\u6c42\u7ed3\u5408\u8d77\u6765\u5b9e\u73b0\u6bd4\u60f3\u8c61\u4e2d\u66f4\u52a0\u7e41\u7410\uff0c\u5e76\u4e14\u96be\u4ee5\u9002\u5e94\u3002\u8fd9\u6b21\uff0c\u6211\u5c1d\u8bd5\u901a\u8fc7\u5728\u67b6\u6784\u4e2d\u52a0\u5165\u5c06RDB\u8bbe\u5b9a\u4e3aPostgreSQL\u7684\u9650\u5236\uff0c\u770b\u770b\u662f\u5426\u53ef\u4ee5\u7b80\u5316\u540e\u7aef\u5b9e\u73b0\uff08\u76f8\u8f83\u4e8e\u4e0a\u6b21\uff09\u3002<\/p>\n<h1>\u6211\u5728\u672c\u6b21\u6837\u672c\u5b9e\u65bd\u4e2d\u4f7f\u7528\u7684\u8bed\u8a00\u548c\u5e93\u7b49\u3002<\/h1>\n<p>\u6b64\u5916\uff0c\u6211\u4e0d\u4f1a\u5bf9\u8fd9\u4e9b\u5355\u72ec\u7684\u8bed\u8a00\u3001\u5e93\u7b49\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<h2>\u524d\u7aef<\/h2>\n<p>\u548c\u4e0a\u4e00\u7bc7\u524d\u7aef\u6587\u7ae0\u76f8\u540c\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Vue.js<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Nuxt.js<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">TypeScript<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Nuxt TypeScript<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Vuetify<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Apollo<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">graphql-code-generator<\/ul>\n<h2>\u540e\u7aef<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Go<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">gqlgen<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SQL Boiler<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">PostgreSQL<\/ul>\n<h2>\u5176\u4ed6<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Docker<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Docker Compose<\/ul>\n<h1>\u5e0c\u671b\u786e\u8ba4\u7684\u89c4\u683c<\/h1>\n<p>\u5728\u663e\u793a\u67d0\u79cd\u4fe1\u606f\uff08\u672c\u6b21\u4e3a\u987e\u5ba2\uff09\u7684\u9875\u9762\u4e0a\uff0c\u5177\u5907\u4ee5\u4e0b\u529f\u80fd\uff1a<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6587\u5b57\u5217\u691c\u7d22\u30d5\u30a3\u30eb\u30bf\uff08\u90e8\u5206\u4e00\u81f4\u691c\u7d22\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u524d\u30da\u30fc\u30b8\u3001\u6b21\u30da\u30fc\u30b8\u9077\u79fb<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e00\u89a7\u8868\u793a\u8981\u7d20\u3067\u306e\u6607\u9806\u3001\u964d\u9806\u4e26\u3079\u66ff\u3048<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e00\u89a7\u8868\u793a\u4ef6\u6570\u306e\u5909\u66f4<\/ul>\n<p>\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a<br \/>\n\u7b80\u5355\u5730\u5728\u521d\u59cb\u9875\u9762\u663e\u793a\u65f6\u83b7\u53d6\u6240\u6709\u8bb0\u5f55\uff0c\u800c\u4e0d\u662f\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u4e0a\u4e00\u9875\u3001\u4e0b\u4e00\u9875\u7684\u8df3\u8f6c\uff0c\u800c\u662f\u6bcf\u6b21\u53ea\u641c\u7d22\u6240\u9700\u7684\u9875\u6570\uff08\u53ea\u641c\u7d22\u6240\u9700\u9875\u9762\u7684\u8bb0\u5f55\uff09\u3002<br \/>\n\u5373\u4f7f\u5728\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u65f6\uff0c\u5904\u4e8e\u5206\u9875\u7684\u4e2d\u95f4\uff08\u4f8b\u5982\u663e\u793a\u7b2c2\u9875\uff09\uff0c\u4e5f\u4f1a\u8fd4\u56de\u5230\u7b2c1\u9875\u7684\u663e\u793a\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e00\u89a7\u8868\u793a\u8981\u7d20\u3067\u306e\u6607\u9806\u3001\u964d\u9806\u4e26\u3079\u66ff\u3048<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e00\u89a7\u8868\u793a\u4ef6\u6570\u306e\u5909\u66f4<\/ul>\n<h2>\u753b\u9762\u7684\u56fe\u50cf<\/h2>\n<h3>\u521d\u59cb\u9875\u9762\u663e\u793a\u65f6\uff08\u9ed8\u8ba4\u6309\u7167ID\u964d\u5e8f\u6392\u5217\u7684\u89c4\u5b9a\uff09<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/20-0.png\" alt=\"screenshot-localhost_3000-2020.11.15-23_36_44.png\" \/><\/div>\n<h3>\u5f53\u5207\u6362\u5230\u7b2c\u4e8c\u9875\u65f6<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/22-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-00_59_48.png\" \/><\/div>\n<h3>\u4f7f\u7528\u641c\u7d22\u8fc7\u6ee4\u5668\u65f6<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/24-1.png\" alt=\"screenshot-localhost_3000-2020.11.16-01_02_42.png\" \/><\/div>\n<h3>\u6309\u7167\u540d\u5b57\u7684\u5347\u5e8f\u6392\u5217<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/26-2.png\" alt=\"screenshot-localhost_3000-2020.11.16-01_04_06.png\" \/><\/div>\n<h3>\u5c06\u5217\u8868\u9879\u6570\u66f4\u6539\u4e3a10\u4e2a\uff08\u4ee5&#8221;\u5e74\u9f84&#8221;\u964d\u5e8f\u6392\u5217\uff09<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/28-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-01_06_09.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/29-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-01_06_21.png\" \/><\/div>\n<h1>\u76f8\u5173\u6587\u7ae0\u76ee\u5f55<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c12\u56de\u300cGraphQL\u306b\u304a\u3051\u308bRelay\u30b9\u30bf\u30a4\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u88c5\u518d\u8003(Window\u95a2\u6570\u4f7f\u7528\u7248)\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c11\u56de\u300cDataloaders\u3092\u4f7f\u3063\u305fN+1\u554f\u984c\u3078\u306e\u5bfe\u5fdc\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c10\u56de\u300cGraphQL(gqlgen)\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff19\u56de\u300cGraphQL\u306b\u304a\u3051\u308b\u8a8d\u8a3c\u8a8d\u53ef\u4e8b\u4f8b\uff08Auth0 RBAC\u4ed5\u7acb\u3066\uff09\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff18\u56de\u300cGraphQL\/Nuxt.js(TypeScript\/Vuetify\/Apollo)\/Golang(gqlgen)\/Google Cloud Storage\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u52d5\u753b\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5b9f\u88c5\u4f8b\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff17\u56de\u300cGraphQL\u306b\u304a\u3051\u308bRelay\u30b9\u30bf\u30a4\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u88c5\uff08\u5f8c\u7de8\uff1a\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\uff09\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff16\u56de\u300cGraphQL\u306b\u304a\u3051\u308bRelay\u30b9\u30bf\u30a4\u30eb\u306b\u3088\u308b\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u88c5\uff08\u524d\u7de8\uff1a\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\uff09\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff15\u56de\u300cDB\u63a5\u7d9a\u4ed8\u304dGraphQL\u30b5\u30fc\u30d0(by Golang)\u3092\u30ed\u30fc\u30ab\u30eb\u30de\u30b7\u30f3\u4e0a\u3067Docker\u30b3\u30f3\u30c6\u30ca\u8d77\u52d5\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff14\u56de\u300cgraphql-codegen\u3067\u30d5\u30ed\u30f3\u30c8\u30a8\u30f3\u30c9\u3092GraphQL\u30b9\u30ad\u30fc\u30de\u30d5\u30a1\u30fc\u30b9\u30c8\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff13\u56de\u300cgo+gqlgen\u3067GraphQL\u30b5\u30fc\u30d0\u3092\u4f5c\u308b\uff08GORM\u4f7f\u3063\u3066DB\u63a5\u7d9a\uff09\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7b2c\uff12\u56de\u300cNuxtJS(with Apollo)\u306eTypeScript\u5bfe\u5fdc\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7b2c\uff11\u56de\u300cfrontend\u306b\u300cnuxtjs\/apollo\u300d\u3001backend\u306b\u300cgo+gqlgen\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067GraphQL\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u308b\u300d<\/ul>\n<h1>\u5f00\u53d1\u73af\u5883<\/h1>\n<h2>\u64cd\u4f5c\u7cfb\u7edf &#8211; Linux\uff08Ubuntu)<\/h2>\n<pre class=\"post-pre\"><code>$ cat \/etc\/os-release \r\nNAME=\"Ubuntu\"\r\nVERSION=\"20.04.1 LTS (Focal Fossa)\"\r\n<\/code><\/pre>\n<h2>\u540e\u7aef<\/h2>\n<h3>\u7f16\u7a0b\u8bed\u8a00 &#8211; Golang<\/h3>\n<pre class=\"post-pre\"><code>$ go version\r\ngo version go1.15.2 linux\/amd64\r\n<\/code><\/pre>\n<h3>gqlgen-\u6784\u5efaGraphQL\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u5de5\u5177\u5305\u3002<\/h3>\n<pre class=\"post-pre\"><code>v0.13.0\r\n<\/code><\/pre>\n<h3>IDE &#8211; Goland &#8211;<br \/>\n\u96c6\u6210\u5f00\u53d1\u73af\u5883 &#8211; Goland<\/h3>\n<pre class=\"post-pre\"><code>GoLand 2020.2.3\r\nBuild #GO-202.7319.61, built on September 16, 2020\r\n<\/code><\/pre>\n<h1>\u672c\u6b21\u6240\u6709\u6765\u6e90<\/h1>\n<h1>\u5b9e\u8df5<\/h1>\n<h2>\u6570\u636e\u5e93<\/h2>\n<p>\u5728\u672c\u5730\u4f7f\u7528Docker Compose\u6765\u8fd0\u884cPostgreSQL v13\u3002\uff08\u7531\u4e8e\u4ec5\u5728\u672c\u5730\u4f7f\u7528\uff0c\u56e0\u6b64\u53ef\u4ee5\u76f4\u63a5\u5199\u5165\u5bc6\u7801\u7b49\u4fe1\u606f\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">version<\/span><span class=\"pi\">:<\/span> <span class=\"s1\">'<\/span><span class=\"s\">3'<\/span>\r\n\r\n<span class=\"na\">services<\/span><span class=\"pi\">:<\/span>\r\n  <span class=\"na\">db<\/span><span class=\"pi\">:<\/span>\r\n    <span class=\"na\">restart<\/span><span class=\"pi\">:<\/span> <span class=\"s\">always<\/span>\r\n    <span class=\"na\">image<\/span><span class=\"pi\">:<\/span> <span class=\"s\">postgres:13-alpine<\/span>\r\n    <span class=\"na\">container_name<\/span><span class=\"pi\">:<\/span> <span class=\"s\">study-graphql-postgres-container<\/span>\r\n    <span class=\"na\">ports<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s2\">\"<\/span><span class=\"s\">25432:5432\"<\/span>\r\n    <span class=\"na\">environment<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">DATABASE_HOST=localhost<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">POSTGRES_DB=study-graphql-local-db<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">POSTGRES_USER=postgres<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">POSTGRES_PASSWORD=yuckyjuice<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">PGPASSWORD=yuckyjuice<\/span>\r\n    <span class=\"na\">volumes<\/span><span class=\"pi\">:<\/span>\r\n      <span class=\"pi\">-<\/span> <span class=\"s\">.\/local\/data:\/docker-entrypoint-initdb.d\/<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u7684\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u201ccustomer\u201d\u7684\u8868\u3002<\/p>\n<pre class=\"post-pre\"><code>CREATE TABLE customer (\r\n  id bigserial NOT NULL,\r\n  name varchar(64) NOT NULL,\r\n  age int NOT NULL,\r\n  PRIMARY KEY (id)\r\n);\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/50-0.png\" alt=\"Screenshot at 2020-11-16 01-09-20.png\" \/><\/div>\n<h2>GraphQL\u6a21\u5f0f<\/h2>\n<p>\u5982\u679c\u4ec5\u6d89\u53ca\u5230Relay\u7684\u90e8\u5206\uff0c\u5b9e\u9645\u4e0a\u5e76\u4e0d\u662f\u5f88\u590d\u6742\u3002\u4f46\u662f\u8fd9\u6b21\u6211\u4eec\u8fd8\u5c06&#8221;\u5b57\u7b26\u4e32\u641c\u7d22\u8fc7\u6ee4\u5668&#8221;\u548c&#8221;\u6309\u6bcf\u4e2a\u8981\u7d20\u7684\u5347\u5e8f\u6216\u964d\u5e8f\u6392\u5e8f&#8221;\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u6240\u4ee5\u5b9a\u4e49\u6709\u70b9\u590d\u6742\u3002<\/p>\n<pre class=\"post-pre\"><code>$ tree schema\/\r\nschema\/\r\n\u251c\u2500\u2500 connection.graphql\r\n\u251c\u2500\u2500 customer.graphql\r\n\u251c\u2500\u2500 order.graphql\r\n\u251c\u2500\u2500 pagination.graphql\r\n\u251c\u2500\u2500 schema.graphql\r\n\u2514\u2500\u2500 text_filter.graphql\r\n<\/code><\/pre>\n<h3>\u25a0\u6a21\u5f0f\u56fe.graphql<\/h3>\n<pre class=\"post-pre\"><code><span class=\"c\"># Global Object Identification ... \u5168\u30c7\u30fc\u30bf\u3092\u5171\u901a\u306eID\u3067\u30e6\u30cb\u30fc\u30af\u5316<\/span>\r\n<span class=\"k\">interface<\/span> <span class=\"n\">Node<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">schema<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">query<\/span><span class=\"p\">:<\/span> <span class=\"n\">Query<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">node<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!):<\/span> <span class=\"n\">Node<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5ba2\u6237.graphql<\/h3>\n<h4>\u987e\u5ba2\u8fde\u63a5\u67e5\u8be2<\/h4>\n<pre class=\"post-pre\"><code><span class=\"k\">extend<\/span> <span class=\"k\">type<\/span> <span class=\"n\">Query<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"err\">\"Relay\u6e96\u62e0\u30da\u30fc\u30b8\u30f3\u30b0\u5bfe\u5fdc\u691c\u7d22\u306b\u3088\u308bTODO\u4e00\u89a7\u53d6\u5f97\"<\/span>\r\n  <span class=\"n\">customerConnection<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"err\">\"\u30da\u30fc\u30b8\u30f3\u30b0\u6761\u4ef6\"<\/span>\r\n    <span class=\"n\">pageCondition<\/span><span class=\"p\">:<\/span> <span class=\"n\">PageCondition<\/span>\r\n    <span class=\"err\">\"\u4e26\u3073\u66ff\u3048\u6761\u4ef6\"<\/span>\r\n    <span class=\"n\">edgeOrder<\/span><span class=\"p\">:<\/span> <span class=\"n\">EdgeOrder<\/span>\r\n    <span class=\"err\">\"\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u6761\u4ef6\"<\/span>\r\n    <span class=\"n\">filterWord<\/span><span class=\"p\">:<\/span> <span class=\"n\">TextFilterCondition<\/span>\r\n  <span class=\"p\">):<\/span> <span class=\"n\">CustomerConnection<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u9019\u662f\u6b64\u6b21\u5f9e\u524d\u7aef\u547c\u53eb\u7684\u67e5\u8a62\u3002<br \/>\n\u5404\u500b\u5143\u7d20\u7684\u8aaa\u660e\u5728\u5f8c\u9762\u63d0\u53ca\u3002<br \/>\n\u6839\u64da\u8981\u6c42\uff0c\u8a72\u67e5\u8a62\u61c9\u5305\u542b\u4ee5\u4e0b\u6b04\u4f4d\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u524d\u30da\u30fc\u30b8\u3001\u6b21\u30da\u30fc\u30b8\u9077\u79fb\u306e\u6761\u4ef6\u3092\u542b\u3080\u300c\u30da\u30fc\u30b8\u30f3\u30b0\u6761\u4ef6\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5404\u8981\u7d20\u306e\u6607\u9806\u3001\u5f8c\u8ff0\u4e26\u3079\u66ff\u3048\u6761\u4ef6\u3092\u542b\u3080\u300c\u4e26\u3079\u66ff\u3048\u6761\u4ef6\u300d<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u6587\u5b57\u5217\u691c\u7d22\u30d5\u30a3\u30eb\u30bf\uff08\u90e8\u5206\u4e00\u81f4\uff09\u7528\u306e\u300c\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u6761\u4ef6\u300d<\/ul>\n<p>\u800c\u4e14\uff0c\u67e5\u8be2\u7684\u8fd4\u56de\u503c\u7b26\u5408Relay\u7684Connection\u683c\u5f0f\uff08\u7a0d\u540e\u4f1a\u8be6\u7ec6\u4ecb\u7ecd\uff09\u3002<\/p>\n<h4>\u987e\u5ba2\u8fde\u63a5<\/h4>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u30da\u30fc\u30b8\u30f3\u30b0\u3092\u4f34\u3046\u7d50\u679c\u8fd4\u5374\u7528\"<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">CustomerConnection<\/span> <span class=\"k\">implements<\/span> <span class=\"n\">Connection<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"err\">\"\u30da\u30fc\u30b8\u60c5\u5831\"<\/span>\r\n  <span class=\"n\">pageInfo<\/span><span class=\"p\">:<\/span> <span class=\"n\">PageInfo<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"err\">\"\u691c\u7d22\u7d50\u679c\u4e00\u89a7\uff08\u203b\u30ab\u30fc\u30bd\u30eb\u60c5\u5831\u3092\u542b\u3080\uff09\"<\/span>\r\n  <span class=\"n\">edges<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">CustomerEdge<\/span><span class=\"p\">!]!<\/span>\r\n  <span class=\"err\">\"\u691c\u7d22\u7d50\u679c\u306e\u5168\u4ef6\u6570\"<\/span>\r\n  <span class=\"n\">totalCount<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7528\u4e8e\u5b58\u50a8customerConnection\u67e5\u8be2\u7ed3\u679c\u7684\u5bb9\u5668\u3002<br \/>\n\u9075\u5faaRelay\u89c4\u8303\uff08\u6216\u8bb8\u4e0d\u5b8c\u5168\u7b26\u5408\uff0c\u4ec5\u4f9b\u53c2\u8003\uff09\u3002<\/p>\n<p>\u4e3a\u4e86\u901a\u7528\u6027\uff0c\u5b83\u5b9e\u73b0\u4e86Connection\u63a5\u53e3\uff08\u7a0d\u540e\u8be6\u8ff0\uff09\u3002<br \/>\n\u5173\u4e8e\u9875\u9762\u4fe1\u606f\uff08PageInfo\uff09\uff0c\u7a0d\u540e\u4f1a\u63d0\u5230\u3002<\/p>\n<h4>\u5ba2\u6237\u8fb9\u7f18<\/h4>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u691c\u7d22\u7d50\u679c\uff08\u203b\u30ab\u30fc\u30bd\u30eb\u60c5\u5831\u3092\u542b\u3080\uff09\"<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">CustomerEdge<\/span> <span class=\"k\">implements<\/span> <span class=\"n\">Edge<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">node<\/span><span class=\"p\">:<\/span> <span class=\"n\">Customer<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"n\">cursor<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5df2\u7ecf\u5b9e\u73b0\u4e86Edge\u63a5\u53e3\uff08\u7a0d\u540e\u63d0\u5230\uff09\uff0c\u4ee5\u4fbf\u80fd\u591f\u5e7f\u6cdb\u5e94\u7528\u3002<br \/>\n\u8868\u793a\u4e00\u6761\u641c\u7d22\u7ed3\u679c\u3002\u5176\u4e2d\u5305\u542b\u4e86\u6570\u636e\u7684\u7279\u5b9a\u4fe1\u606f\u201c\u6e38\u6807\u201d\u3002<br \/>\n\u5173\u4e8e\u6e38\u6807\u7c7b\u578b\u7684\u7ec6\u8282\u7a0d\u540e\u4f1a\u63d0\u5230\u3002<\/p>\n<h4>\u987e\u5ba2<\/h4>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">Customer<\/span> <span class=\"k\">implements<\/span> <span class=\"n\">Node<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"err\">\"<\/span><span class=\"n\">ID<\/span><span class=\"err\">\"<\/span>\r\n  <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">ID<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"err\">\"\u540d\u524d\"<\/span>\r\n  <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n  <span class=\"err\">\"\u5e74\u9f62\"<\/span>\r\n  <span class=\"n\">age<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Int<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8868\u793a\u4e00\u4f4d\u987e\u5ba2\u3002<\/p>\n<h3>\u25a0\u5206\u9875.graphql<\/h3>\n<h4>\u9875\u9762\u6761\u4ef6<\/h4>\n<p>\u8868\u793a\u5206\u9875\u6761\u4ef6\u7684\u7c7b\u578b\uff0c\u7528\u4e8e\u4f20\u9012\u67e5\u8be2\u7684\u67e5\u8be2\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u30da\u30fc\u30b8\u30f3\u30b0\u6761\u4ef6\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">PageCondition<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u524d\u30da\u30fc\u30b8\u9077\u79fb\u6761\u4ef6\"<\/span>\r\n    <span class=\"n\">backward<\/span><span class=\"p\">:<\/span> <span class=\"n\">BackwardPagination<\/span>\r\n    <span class=\"err\">\"\u6b21\u30da\u30fc\u30b8\u9077\u79fb\u6761\u4ef6\"<\/span>\r\n    <span class=\"n\">forward<\/span><span class=\"p\">:<\/span> <span class=\"n\">ForwardPagination<\/span>\r\n    <span class=\"err\">\"\u73fe\u5728\u30da\u30fc\u30b8\u756a\u53f7\uff08\u4eca\u56de\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u5b9f\u884c\u524d\u306e\u6642\u70b9\u306e\u3082\u306e\uff09\"<\/span>\r\n    <span class=\"n\">nowPageNo<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\uff11\u30da\u30fc\u30b8\u8868\u793a\u4ef6\u6570\"<\/span>\r\n    <span class=\"n\">initialLimit<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5012\u5e8f\u7ffb\u9875<\/h4>\n<p>\u300c\u524d\u4e00\u9875\u300d\u5728\u9875\u9762\u8df3\u8f6c\u65f6\u4f20\u9012\u7684\u5206\u9875\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u524d\u30da\u30fc\u30b8\u9077\u79fb\u6761\u4ef6\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">BackwardPagination<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u53d6\u5f97\u4ef6\u6570\"<\/span>\r\n    <span class=\"n\">last<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u53d6\u5f97\u5bfe\u8c61\u8b58\u5225\u7528\u30ab\u30fc\u30bd\u30eb\uff08\u203b\u524d\u30da\u30fc\u30b8\u9077\u79fb\u6642\u306b\u3053\u306e\u30ab\u30fc\u30bd\u30eb\u3088\u308a\u3082\u524d\u306b\u3042\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u53d6\u5f97\u5bfe\u8c61\uff09\"<\/span>\r\n    <span class=\"n\">before<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u9875\u9762\u5411\u524d\u7ffb\u9875<\/h4>\n<p>\u300c\u6b21\u306e\u30da\u30fc\u30b8\u300d\u306b\u79fb\u52d5\u3059\u308b\u969b\u306b\u6e21\u3055\u308c\u308b\u30da\u30fc\u30b8\u30cd\u30fc\u30b7\u30e7\u30f3\u306e\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u6b21\u30da\u30fc\u30b8\u9077\u79fb\u6761\u4ef6\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">ForwardPagination<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u53d6\u5f97\u4ef6\u6570\"<\/span>\r\n    <span class=\"n\">first<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u53d6\u5f97\u5bfe\u8c61\u8b58\u5225\u7528\u30ab\u30fc\u30bd\u30eb\uff08\u203b\u6b21\u30da\u30fc\u30b8\u9077\u79fb\u6642\u306b\u3053\u306e\u30ab\u30fc\u30bd\u30eb\u3088\u308a\u3082\u5f8c\u308d\u306b\u3042\u308b\u30ec\u30b3\u30fc\u30c9\u304c\u53d6\u5f97\u5bfe\u8c61\uff09\"<\/span>\r\n    <span class=\"n\">after<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5149\u6807<\/h4>\n<p>\u5149\u6807\u5b58\u50a8DB\u641c\u7d22\u65f6\u4e0e\u8868\u540d\u76f8\u7ed3\u5408\u540e\u8fdb\u884cURL\u7f16\u7801\u7684ROW_NUMBER\u503c\u3002\u7a0d\u540e\u63d0\u53ca\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u30ab\u30fc\u30bd\u30eb\uff08\uff11\u30ec\u30b3\u30fc\u30c9\u3092\u30e6\u30cb\u30fc\u30af\u306b\u7279\u5b9a\u3059\u308b\u8b58\u5225\u5b50\uff09\"<\/span>\r\n<span class=\"k\">scalar<\/span> <span class=\"n\">Cursor<\/span>\r\n<\/code><\/pre>\n<h3>\u25a0\u8ba2\u8d2d.\u56fe\u7075<\/h3>\n<h4>\u8fb9\u7f18\u6392\u5e8f<\/h4>\n<p>\u8868\u793a\u6392\u5e8f\u6761\u4ef6\u7684\u7c7b\u578b\uff0c\u4f20\u9012\u5230\u67e5\u8be2\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u4e26\u3073\u66ff\u3048\u6761\u4ef6\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">EdgeOrder<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u4e26\u3079\u66ff\u3048\u30ad\u30fc\u9805\u76ee\"<\/span>\r\n    <span class=\"n\">key<\/span><span class=\"p\">:<\/span> <span class=\"n\">OrderKey<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u30bd\u30fc\u30c8\u65b9\u5411\"<\/span>\r\n    <span class=\"n\">direction<\/span><span class=\"p\">:<\/span> <span class=\"n\">OrderDirection<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u8ba2\u5355\u952e<\/h4>\n<pre class=\"post-pre\"><code><span class=\"s2\">\"\"\"<\/span>\r\n\u4e26\u3079\u66ff\u3048\u306e\u30ad\u30fc\r\n\r\n\u3010\u691c\u8a0e\u7d4c\u7def\u3011\r\n\u6c4e\u7528\u7684\u306a\u69cb\u9020\u3001\u304b\u3064\u3001\u30bf\u30a4\u30d7\u30bb\u30fc\u30d5\u306b\u3057\u305f\u304f\u3001interface \u3067\u5b9a\u7fa9\u306e\u4e0a\u3001\u6a5f\u80fd\u6bce\u306b input \u306a\u3044\u3057 enum \u3067\u5b9f\u88c5\u3057\u3088\u3046\u3068\u3057\u305f\u3002\r\n\u3057\u304b\u3057\u3001input \u306f interface \u3092\u5b9f\u88c5\u3067\u304d\u306a\u3044\u4ed5\u69d8\u3060\u3063\u305f\u306e\u3067\u8ae6\u3081\u305f\u3002\r\nenum \u306b\u7d99\u627f\u6a5f\u80fd\u304c\u3042\u308c\u3070\u3088\u304b\u3063\u305f\u304c\u3001\u305d\u308c\u3082\u306a\u304b\u3063\u305f\u3002\r\nunion \u3067 CustomerOrderKey \u3084\uff08\u5897\u3048\u305f\u3089\uff09\u4ed6\u306e\u6a5f\u80fd\u306e\u4e26\u3079\u66ff\u3048\u306e\u30ad\u30fc\u3082 | \u3067\u3064\u306a\u3050\u65b9\u6cd5\u3082\u8003\u3048\u305f\u304c\u3001\r\nunion \u3092 input \u306b\u8981\u7d20\u3068\u3057\u3066\u6301\u305f\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u4ed5\u69d8\u3060\u3063\u305f\u306e\u3067\u3001\u3053\u308c\u3082\u8ae6\u3081\u305f\u3002\r\n\u3068\u306f\u3044\u3048\u3001\u4e26\u3079\u66ff\u3048\u3082\u5171\u901a\u306e\u4ed5\u7d44\u307f\u3068\u3057\u3066\u63d0\u4f9b\u3057\u305f\u304f\u3001\u7d50\u679c\u3068\u3057\u3066\u6a5f\u80fd\u6bce\u306e enum \u30d5\u30a3\u30fc\u30eb\u30c9\u3092\u5171\u901a\u306e input \u5185\u306b\u5217\u6319\u3057\u3066\u3044\u304f\u5f62\u306b\u3057\u305f\u3002\r\n<span class=\"s2\">\"\"\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">OrderKey<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u30e6\u30fc\u30b6\u30fc\u4e00\u89a7\u306e\u4e26\u3079\u66ff\u3048\u30ad\u30fc\"<\/span>\r\n    <span class=\"n\">customerOrderKey<\/span><span class=\"p\">:<\/span> <span class=\"n\">CustomerOrderKey<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u6392\u5e8f\u65b9\u5411<\/h4>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u4e26\u3079\u66ff\u3048\u65b9\u5411\"<\/span>\r\n<span class=\"k\">enum<\/span> <span class=\"n\">OrderDirection<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u6607\u9806\"<\/span>\r\n    <span class=\"n\">ASC<\/span>\r\n    <span class=\"err\">\"\u964d\u9806\"<\/span>\r\n    <span class=\"n\">DESC<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25a0 \u6587\u672c\u8fc7\u6ee4\u5668.\u56fe\u7075<\/h3>\n<h4>\u6587\u672c\u8fc7\u6ee4\u6761\u4ef6<\/h4>\n<p>\u8868\u793a\u4f20\u9012\u7ed9\u67e5\u8be2\u7684\u201c\u5b57\u7b26\u4e32\u8fc7\u6ee4\u6761\u4ef6\u201d\u7684\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u6761\u4ef6\"<\/span>\r\n<span class=\"k\">input<\/span> <span class=\"n\">TextFilterCondition<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u30d5\u30a3\u30eb\u30bf\u6587\u5b57\u5217\"<\/span>\r\n    <span class=\"n\">filterWord<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u30de\u30c3\u30c1\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\"<\/span>\r\n    <span class=\"n\">matchingPattern<\/span><span class=\"p\">:<\/span> <span class=\"n\">MatchingPattern<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u5339\u914d\u6a21\u5f0f<\/h4>\n<pre class=\"post-pre\"><code><span class=\"err\">\"\u30de\u30c3\u30c1\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u7a2e\u5225\uff08\u203b\u8981\u4ef6\u6b21\u7b2c\u3067\u300c\u524d\u65b9\u4e00\u81f4\u300d\u3084\u300c\u5f8c\u65b9\u4e00\u81f4\u300d\u3082\u8ffd\u52a0\uff09\"<\/span>\r\n<span class=\"k\">enum<\/span> <span class=\"n\">MatchingPattern<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u90e8\u5206\u4e00\u81f4\"<\/span>\r\n    <span class=\"n\">PARTIAL_MATCH<\/span>\r\n    <span class=\"err\">\"\u5b8c\u5168\u4e00\u81f4\"<\/span>\r\n    <span class=\"n\">EXACT_MATCH<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u25a0\u8fde\u63a5\u56fe\u5f62\u6570\u636e\u5e93<\/h3>\n<p>(Note: The paraphrase provided above is in simplified Chinese. If you want a paraphrase in traditional Chinese, please let me know.)<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">scalar<\/span> <span class=\"n\">Int64<\/span>\r\n\r\n<span class=\"err\">\"\u30da\u30fc\u30b8\u30f3\u30b0\u3092\u4f34\u3046\u7d50\u679c\u8fd4\u5374\u7528\"<\/span>\r\n<span class=\"k\">interface<\/span> <span class=\"n\">Connection<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u30da\u30fc\u30b8\u60c5\u5831\"<\/span>\r\n    <span class=\"n\">pageInfo<\/span><span class=\"p\">:<\/span> <span class=\"n\">PageInfo<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u7d50\u679c\u4e00\u89a7\uff08\u203b\u30ab\u30fc\u30bd\u30eb\u60c5\u5831\u3092\u542b\u3080\uff09\"<\/span>\r\n    <span class=\"n\">edges<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">Edge<\/span><span class=\"p\">!]!<\/span>\r\n    <span class=\"err\">\"\u691c\u7d22\u7d50\u679c\u306e\u5168\u4ef6\u6570\"<\/span>\r\n    <span class=\"n\">totalCount<\/span><span class=\"p\">:<\/span> <span class=\"n\">Int64<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"err\">\"\u30da\u30fc\u30b8\u60c5\u5831\"<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">PageInfo<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"\u6b21\u30da\u30fc\u30b8\u6709\u7121\"<\/span>\r\n    <span class=\"n\">hasNextPage<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Boolean<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u524d\u30da\u30fc\u30b8\u6709\u7121\"<\/span>\r\n    <span class=\"n\">hasPreviousPage<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Boolean<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u5f53\u8a72\u30da\u30fc\u30b8\u306e\uff11\u30ec\u30b3\u30fc\u30c9\u76ee\"<\/span>\r\n    <span class=\"n\">startCursor<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"err\">\"\u5f53\u8a72\u30da\u30fc\u30b8\u306e\u6700\u7d42\u30ec\u30b3\u30fc\u30c9\"<\/span>\r\n    <span class=\"n\">endCursor<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"err\">\"\u691c\u7d22\u7d50\u679c\u4e00\u89a7\uff08\u203b\u30ab\u30fc\u30bd\u30eb\u60c5\u5831\u3092\u542b\u3080\uff09\"<\/span>\r\n<span class=\"k\">interface<\/span> <span class=\"n\">Edge<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"err\">\"Node\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u305ftype\u306a\u3089\u4ee3\u5165\u53ef\u80fd\"<\/span>\r\n    <span class=\"n\">node<\/span><span class=\"p\">:<\/span> <span class=\"n\">Node<\/span><span class=\"p\">!<\/span>\r\n    <span class=\"n\">cursor<\/span><span class=\"p\">:<\/span> <span class=\"n\">Cursor<\/span><span class=\"p\">!<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u540e\u7aef<\/h2>\n<h3>\u4e3b\u51fd\u6570<\/h3>\n<p>\u8fd9\u4e00\u70b9\u4e0d\u662f\u672c\u6b21\u8ba8\u8bba\u7684\u4e3b\u9898\uff0c\u53ea\u9700\u8981\u63d0\u4f9b\u6765\u6e90\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"log\"<\/span>\r\n    <span class=\"s\">\"net\/http\"<\/span>\r\n    <span class=\"s\">\"time\"<\/span>\r\n\r\n    <span class=\"s\">\"github.com\/99designs\/gqlgen\/graphql\/handler\"<\/span>\r\n    <span class=\"s\">\"github.com\/99designs\/gqlgen\/graphql\/playground\"<\/span>\r\n    <span class=\"s\">\"github.com\/go-chi\/chi\"<\/span>\r\n    <span class=\"s\">\"github.com\/jmoiron\/sqlx\"<\/span>\r\n    <span class=\"n\">_<\/span> <span class=\"s\">\"github.com\/lib\/pq\"<\/span>\r\n    <span class=\"s\">\"github.com\/rs\/cors\"<\/span>\r\n    <span class=\"s\">\"github.com\/sky0621\/study-graphql\/try01\/src\/backend\/graph\"<\/span>\r\n    <span class=\"s\">\"github.com\/sky0621\/study-graphql\/try01\/src\/backend\/graph\/generated\"<\/span>\r\n    <span class=\"s\">\"github.com\/volatiletech\/sqlboiler\/v4\/boil\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ MEMO: \u30ed\u30fc\u30ab\u30eb\u3067\u3057\u304b\u4f7f\u308f\u306a\u3044\u306e\u3067\u3001\u30d9\u30bf\u66f8\u304d<\/span>\r\n    <span class=\"n\">dsn<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">\"host=localhost port=25432 dbname=study-graphql-local-db user=postgres password=yuckyjuice sslmode=disable\"<\/span>\r\n    <span class=\"n\">db<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">sqlx<\/span><span class=\"o\">.<\/span><span class=\"n\">Connect<\/span><span class=\"p\">(<\/span><span class=\"s\">\"postgres\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">dsn<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"n\">boil<\/span><span class=\"o\">.<\/span><span class=\"n\">DebugMode<\/span> <span class=\"o\">=<\/span> <span class=\"no\">true<\/span>\r\n\r\n    <span class=\"k\">var<\/span> <span class=\"n\">loc<\/span> <span class=\"o\">*<\/span><span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Location<\/span>\r\n    <span class=\"n\">loc<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">LoadLocation<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Asia\/Tokyo\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatal<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">boil<\/span><span class=\"o\">.<\/span><span class=\"n\">SetLocation<\/span><span class=\"p\">(<\/span><span class=\"n\">loc<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"n\">r<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">chi<\/span><span class=\"o\">.<\/span><span class=\"n\">NewRouter<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Use<\/span><span class=\"p\">(<\/span><span class=\"n\">corsHandlerFunc<\/span><span class=\"p\">())<\/span>\r\n    <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Handle<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">playground<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GraphQL playground\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"\/query\"<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Handle<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/query\"<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">handler<\/span><span class=\"o\">.<\/span><span class=\"n\">NewDefaultServer<\/span><span class=\"p\">(<\/span>\r\n            <span class=\"n\">generated<\/span><span class=\"o\">.<\/span><span class=\"n\">NewExecutableSchema<\/span><span class=\"p\">(<\/span>\r\n                <span class=\"n\">generated<\/span><span class=\"o\">.<\/span><span class=\"n\">Config<\/span><span class=\"p\">{<\/span>\r\n                    <span class=\"n\">Resolvers<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graph<\/span><span class=\"o\">.<\/span><span class=\"n\">Resolver<\/span><span class=\"p\">{<\/span>\r\n                        <span class=\"n\">DB<\/span><span class=\"o\">:<\/span> <span class=\"n\">db<\/span><span class=\"p\">,<\/span>\r\n                    <span class=\"p\">},<\/span>\r\n                <span class=\"p\">},<\/span>\r\n            <span class=\"p\">),<\/span>\r\n        <span class=\"p\">),<\/span>\r\n    <span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">ListenAndServe<\/span><span class=\"p\">(<\/span><span class=\"s\">\":8080\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nb\">panic<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">corsHandlerFunc<\/span><span class=\"p\">()<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">h<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span><span class=\"p\">)<\/span> <span class=\"n\">http<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">cors<\/span><span class=\"o\">.<\/span><span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"n\">cors<\/span><span class=\"o\">.<\/span><span class=\"n\">Options<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">AllowedOrigins<\/span><span class=\"o\">:<\/span>   <span class=\"p\">[]<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span><span class=\"s\">\"*\"<\/span><span class=\"p\">},<\/span>\r\n        <span class=\"n\">AllowedMethods<\/span><span class=\"o\">:<\/span>   <span class=\"p\">[]<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span><span class=\"s\">\"GET\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"POST\"<\/span><span class=\"p\">},<\/span>\r\n        <span class=\"n\">AllowedHeaders<\/span><span class=\"o\">:<\/span>   <span class=\"p\">[]<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span><span class=\"s\">\"Accept\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Authorization\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"Content-Type\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"X-CSRF-Token\"<\/span><span class=\"p\">},<\/span>\r\n        <span class=\"n\">ExposedHeaders<\/span><span class=\"o\">:<\/span>   <span class=\"p\">[]<\/span><span class=\"kt\">string<\/span><span class=\"p\">{<\/span><span class=\"s\">\"Link\"<\/span><span class=\"p\">},<\/span>\r\n        <span class=\"n\">AllowCredentials<\/span><span class=\"o\">:<\/span> <span class=\"no\">true<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">MaxAge<\/span><span class=\"o\">:<\/span>           <span class=\"m\">300<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ Maximum value not ignored by any of major browsers<\/span>\r\n    <span class=\"p\">})<\/span><span class=\"o\">.<\/span><span class=\"n\">Handler<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u83b7\u53d6\u652f\u6301\u5206\u9875\u7684\u5ba2\u6237\u5217\u8868\u89e3\u6790\u5668<\/h3>\n<p>\u8fd9\u662f\u8d1f\u8d23\u672c\u6b21\u4e3b\u9898\u7684\u8d44\u6e90\u3002<\/p>\n<p>\u5927\u81f4\u4e0a\u8bf4\uff0c\u4ee5\u4e0b\u6b65\u9aa4\u9700\u8981\u5b8c\u6210\uff1a<br \/>\n1. \u5b9a\u4e49\u4e00\u4e2a\u7528\u4e8e\u6784\u5efa\u641c\u7d22\u7528SQL\u8bed\u53e5\u6240\u9700\u53c2\u6570\u7684\u7ed3\u6784\u4f53\u3002<br \/>\n2. \u5982\u679c\u4eceGraphQL\u5ba2\u6237\u7aef\u4f20\u5165\u4e86\u641c\u7d22\u5b57\u7b26\u4e32\u7684\u6307\u5b9a\uff0c\u5219\u5c06\u5176\u53cd\u6620\u5728\u4e0a\u8ff0\u7ed3\u6784\u4f53\u4e2d\u3002<br \/>\n3. \u5982\u679c\u4eceGraphQL\u5ba2\u6237\u7aef\u4f20\u5165\u4e86\u5206\u9875\u7684\u6307\u5b9a\uff08\u5373\u6307\u793a\u662f\u521d\u59cb\u9875\u9762\u663e\u793a\u8fd8\u662f\u5411\u524d\u6216\u5411\u540e\u79fb\u52a8\u5230\u67d0\u4e00\u9875\uff09\uff0c\u5219\u5c06\u5176\u53cd\u6620\u5728\u4e0a\u8ff0\u7ed3\u6784\u4f53\u4e2d\u3002<br \/>\n4. \u5982\u679c\u4eceGraphQL\u5ba2\u6237\u7aef\u4f20\u5165\u4e86\u6392\u5e8f\u7684\u6307\u5b9a\uff0c\u5219\u5c06\u5176\u53cd\u6620\u5728\u4e0a\u8ff0\u7ed3\u6784\u4f53\u4e2d\u3002<br \/>\n5. \u6267\u884c\u641c\u7d22\u7528SQL\u8bed\u53e5\u3002<br \/>\n6. \u5c06\u641c\u7d22\u7ed3\u679c\u8f6c\u6362\u4e3aRelay\u683c\u5f0f\u5e76\u8fd4\u56de\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">r<\/span> <span class=\"o\">*<\/span><span class=\"n\">queryResolver<\/span><span class=\"p\">)<\/span> <span class=\"n\">CustomerConnection<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span> <span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"n\">Context<\/span><span class=\"p\">,<\/span> <span class=\"n\">pageCondition<\/span> <span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">PageCondition<\/span><span class=\"p\">,<\/span> <span class=\"n\">edgeOrder<\/span> <span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">EdgeOrder<\/span><span class=\"p\">,<\/span> <span class=\"n\">filterWord<\/span> <span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">TextFilterCondition<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerConnection<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/*\r\n     * SQL\u69cb\u7bc9\u306b\u5fc5\u8981\u306a\u5404\u7a2e\u8981\u7d20\u306e\u4fdd\u6301\u7528\r\n     *\/<\/span>\r\n    <span class=\"n\">params<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">searchParam<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u60c5\u5831\u53d6\u5f97\u5148\u306e\u30c6\u30fc\u30d6\u30eb\u540d<\/span>\r\n        <span class=\"n\">tableName<\/span><span class=\"o\">:<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">TableNames<\/span><span class=\"o\">.<\/span><span class=\"n\">Customer<\/span><span class=\"p\">,<\/span>\r\n\r\n        <span class=\"c\">\/\/ \u4e26\u3073\u9806\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306fID\u306e\u964d\u9806<\/span>\r\n        <span class=\"n\">orderKey<\/span><span class=\"o\">:<\/span>       <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">orderDirection<\/span><span class=\"o\">:<\/span> <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">OrderDirectionDesc<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">(),<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u691c\u7d22\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u8a2d\u5b9a\r\n     * TODO: \u8907\u6570\u30ab\u30e9\u30e0\u306b\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u3001\u3053\u3053\u3067 AND \u3067\u3064\u306a\u3050\u304b buildSearchQueryMod() \u3092\u62e1\u5f35\u3059\u308b\u304b\u691c\u8a0e\u304c\u5fc5\u8981\r\n     *\/<\/span>\r\n    <span class=\"n\">filter<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">filterWord<\/span><span class=\"o\">.<\/span><span class=\"n\">MatchString<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">filter<\/span> <span class=\"o\">!=<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">baseCondition<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s LIKE '%s'\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">,<\/span> <span class=\"n\">filter<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u30da\u30fc\u30b8\u30f3\u30b0\u8a2d\u5b9a\r\n     *\/<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">IsInitialPageView<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u30da\u30fc\u30b8\u30f3\u30b0\u6307\u5b9a\u7121\u3057\u306e\u521d\u671f\u30da\u30fc\u30b8\u30d3\u30e5\u30fc<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"m\">1<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">InitialLimit<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u524d\u30da\u30fc\u30b8\u3078\u306e\u9077\u79fb\u6307\u793a<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span><span class=\"o\">.<\/span><span class=\"n\">Before<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">-<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span><span class=\"o\">.<\/span><span class=\"n\">Last<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">-<\/span> <span class=\"m\">1<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"c\">\/\/ \u6b21\u30da\u30fc\u30b8\u3078\u306e\u9077\u79fb\u6307\u793a<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span><span class=\"o\">.<\/span><span class=\"n\">After<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">+<\/span> <span class=\"m\">1<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">+<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span><span class=\"o\">.<\/span><span class=\"n\">First<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u4e26\u3073\u9806\u306e\u6307\u5b9a\r\n     *\/<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKeyExists<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">orderKey<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">Key<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKey<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">orderDirection<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">Direction<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u691c\u7d22\u5b9f\u884c\r\n     *\/<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">records<\/span> <span class=\"p\">[]<\/span><span class=\"o\">*<\/span><span class=\"n\">CustomerWithRowNum<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">(<\/span><span class=\"n\">buildSearchQueryMod<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">))<\/span><span class=\"o\">.<\/span><span class=\"n\">Bind<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">records<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u30da\u30fc\u30b8\u30f3\u30b0\u5f8c\u306e\u6b21\u30da\u30fc\u30b8\u3001\u524d\u30da\u30fc\u30b8\u306e\u5b58\u5728\u6709\u7121\u5224\u5b9a\u306e\u305f\u3081\u306b\u5fc5\u8981\u306a\r\n     * \u691c\u7d22\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u9069\u7528\u5f8c\u306e\u7d50\u679c\u4ef6\u6570\u4fdd\u6301\u7528\r\n     *\/<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">totalCount<\/span> <span class=\"kt\">int64<\/span> <span class=\"o\">=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">var<\/span> <span class=\"n\">err<\/span> <span class=\"kt\">error<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">filter<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">()<\/span><span class=\"o\">.<\/span><span class=\"n\">Count<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">(<\/span><span class=\"n\">qm<\/span><span class=\"o\">.<\/span><span class=\"n\">Where<\/span><span class=\"p\">(<\/span><span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"o\">+<\/span><span class=\"s\">\" LIKE ?\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"n\">filterWord<\/span><span class=\"o\">.<\/span><span class=\"n\">MatchString<\/span><span class=\"p\">()))<\/span><span class=\"o\">.<\/span><span class=\"n\">Count<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * Relay\u8fd4\u5374\u5f62\u5f0f\r\n     *\/<\/span>\r\n    <span class=\"n\">result<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerConnection<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">TotalCount<\/span><span class=\"o\">:<\/span> <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u691c\u7d22\u7d50\u679c\u3092Edge\u30b9\u30e9\u30a4\u30b9\u5f62\u5f0f\u306b\u5909\u63db\r\n     *\/<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">edges<\/span> <span class=\"p\">[]<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEdge<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">record<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">records<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">edges<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEdge<\/span><span class=\"p\">{<\/span>\r\n            <span class=\"n\">Node<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Customer<\/span><span class=\"p\">{<\/span>\r\n                <span class=\"n\">ID<\/span><span class=\"o\">:<\/span>   <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">)),<\/span>\r\n                <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"n\">Age<\/span><span class=\"o\">:<\/span>  <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">Age<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"n\">Cursor<\/span><span class=\"o\">:<\/span> <span class=\"n\">createCursor<\/span><span class=\"p\">(<\/span><span class=\"s\">\"customer\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">RowNum<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"p\">})<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">result<\/span><span class=\"o\">.<\/span><span class=\"n\">Edges<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span>\r\n\r\n    <span class=\"c\">\/\/ \u691c\u7d22\u7d50\u679c\u5168\u4ef6\u6570\u3068\uff11\u30da\u30fc\u30b8\u3042\u305f\u308a\u306e\u8868\u793a\u4ef6\u6570\u304b\u3089\u3001\u4eca\u56de\u306e\u691c\u7d22\u306b\u3088\u308b\u7dcf\u30da\u30fc\u30b8\u6570\u3092\u7b97\u51fa<\/span>\r\n    <span class=\"n\">totalPage<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">TotalPage<\/span><span class=\"p\">(<\/span><span class=\"n\">totalCount<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"c\">\/*\r\n     * \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306e\u753b\u9762\u8868\u793a\u53ca\u3073\u6b21\u56de\u30da\u30fc\u30b8\u30f3\u30b0\u306b\u5fc5\u8981\u306a\u60c5\u5831\r\n     *\/<\/span>\r\n    <span class=\"n\">pageInfo<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">PageInfo<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">HasNextPage<\/span><span class=\"o\">:<\/span>     <span class=\"p\">(<\/span><span class=\"n\">totalPage<\/span> <span class=\"o\">-<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">MoveToPageNo<\/span><span class=\"p\">())<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"m\">1<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u9077\u79fb\u5f8c\u3082\u3001\u307e\u3060\u5148\u306e\u30da\u30fc\u30b8\u304c\u3042\u308b\u304b<\/span>\r\n        <span class=\"n\">HasPreviousPage<\/span><span class=\"o\">:<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">MoveToPageNo<\/span><span class=\"p\">()<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">1<\/span><span class=\"p\">,<\/span>                <span class=\"c\">\/\/ \u9077\u79fb\u5f8c\u3082\u3001\u307e\u3060\u524d\u306e\u30da\u30fc\u30b8\u304c\u3042\u308b\u304b<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">pageInfo<\/span><span class=\"o\">.<\/span><span class=\"n\">StartCursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"n\">Cursor<\/span>\r\n        <span class=\"n\">pageInfo<\/span><span class=\"o\">.<\/span><span class=\"n\">EndCursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span><span class=\"p\">[<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"m\">1<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"n\">Cursor<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">result<\/span><span class=\"o\">.<\/span><span class=\"n\">PageInfo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pageInfo<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"n\">result<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u6784\u5efa\u7528\u4e8e\u641c\u7d22\u7684SQL\u67e5\u8be2\u8bed\u53e5\u6240\u9700\u7684\u53c2\u6570\u7684\u7ed3\u6784\u4f53\u3002<\/h4>\n<pre class=\"post-pre\"><code>    <span class=\"n\">params<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">searchParam<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u60c5\u5831\u53d6\u5f97\u5148\u306e\u30c6\u30fc\u30d6\u30eb\u540d<\/span>\r\n        <span class=\"n\">tableName<\/span><span class=\"o\">:<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">TableNames<\/span><span class=\"o\">.<\/span><span class=\"n\">Customer<\/span><span class=\"p\">,<\/span>\r\n\r\n        <span class=\"c\">\/\/ \u4e26\u3073\u9806\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u306fID\u306e\u964d\u9806<\/span>\r\n        <span class=\"n\">orderKey<\/span><span class=\"o\">:<\/span>       <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">orderDirection<\/span><span class=\"o\">:<\/span> <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">OrderDirectionDesc<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">(),<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0a\u6240\u8ff0\u7684\u5b9e\u4f53\u662f\u4ee5\u4e0b\u5185\u5bb9\u3002\u57fa\u672c\u4e0a\u6839\u636e\u4eceGraphQL\u5ba2\u6237\u7aef\u4f20\u9012\u7684\u6761\u4ef6\u8fdb\u884c\u8986\u76d6\uff0c\u4f46\u5bf9\u4e8e\u5728\u672a\u6307\u5b9a\u65f6\u9700\u8981\u9ed8\u8ba4\u503c\u7684\u60c5\u51b5\uff0c\u5728\u5f00\u5934\u8fdb\u884c\u521d\u59cb\u5316\u3002<br \/>\n\uff08\u5728\u6784\u5efa\u57fa\u4e8e\u4f20\u5165searchParam\u7684SQL\u8bed\u53e5\u7684\u51fd\u6570\u4e2d\uff0c\u5b9e\u9645\u4e0a\u4e5f\u8fdb\u884c\u4e86\u521d\u59cb\u5316\uff09<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">searchParam<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">orderKey<\/span>       <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">orderDirection<\/span> <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">tableName<\/span>      <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">baseCondition<\/span>  <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">rowNumFrom<\/span>     <span class=\"kt\">int64<\/span>\r\n    <span class=\"n\">rowNumTo<\/span>       <span class=\"kt\">int64<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u641c\u7d22\u5b57\u7b26\u4e32\u8fc7\u6ee4\u5668\u8bbe\u7f6e<\/h4>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/*\r\n     * \u691c\u7d22\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u8a2d\u5b9a\r\n     * TODO: \u8907\u6570\u30ab\u30e9\u30e0\u306b\u30d5\u30a3\u30eb\u30bf\u3092\u9069\u7528\u3057\u305f\u3044\u5834\u5408\u306a\u3069\u3001\u3053\u3053\u3067 AND \u3067\u3064\u306a\u3050\u304b buildSearchQueryMod() \u3092\u62e1\u5f35\u3059\u308b\u304b\u691c\u8a0e\u304c\u5fc5\u8981\r\n     *\/<\/span>\r\n    <span class=\"n\">filter<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">filterWord<\/span><span class=\"o\">.<\/span><span class=\"n\">MatchString<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">filter<\/span> <span class=\"o\">!=<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">baseCondition<\/span> <span class=\"o\">=<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s LIKE '%s'\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">,<\/span> <span class=\"n\">filter<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0b\u9762\u7684\u51fd\u6570\u7528\u4e8e\u6784\u5efa\u641c\u7d22\u5b57\u7b26\u4e32\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">TextFilterCondition<\/span><span class=\"p\">)<\/span> <span class=\"n\">MatchString<\/span><span class=\"p\">()<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">FilterWord<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">matchStr<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">\"%\"<\/span> <span class=\"o\">+<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">FilterWord<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\"%\"<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">MatchingPattern<\/span> <span class=\"o\">==<\/span> <span class=\"n\">MatchingPatternExactMatch<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">matchStr<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">FilterWord<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">matchStr<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5339\u914d\u6a21\u5f0f\uff0c\u6682\u65f6\u53ea\u51c6\u5907\u4e86\u5b8c\u5168\u5339\u914d\u548c\u90e8\u5206\u5339\u914d\uff0c\u4f46\u5982\u679c\u9700\u8981\u7684\u8bdd\uff0c\u53ef\u4ee5\u589e\u52a0\u524d\u5411\u5339\u914d\u548c\u540e\u5411\u5339\u914d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ \u30de\u30c3\u30c1\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u7a2e\u5225\uff08\u203b\u8981\u4ef6\u6b21\u7b2c\u3067\u300c\u524d\u65b9\u4e00\u81f4\u300d\u3084\u300c\u5f8c\u65b9\u4e00\u81f4\u300d\u3082\u8ffd\u52a0\uff09<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">MatchingPattern<\/span> <span class=\"kt\">string<\/span>\r\n\r\n<span class=\"k\">const<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"c\">\/\/ \u90e8\u5206\u4e00\u81f4<\/span>\r\n    <span class=\"n\">MatchingPatternPartialMatch<\/span> <span class=\"n\">MatchingPattern<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"PARTIAL_MATCH\"<\/span>\r\n    <span class=\"c\">\/\/ \u5b8c\u5168\u4e00\u81f4<\/span>\r\n    <span class=\"n\">MatchingPatternExactMatch<\/span> <span class=\"n\">MatchingPattern<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"EXACT_MATCH\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h4>\u7ffb\u8bd1\u6210\u4e2d\u6587\u540e\u5982\u4e0b\uff1a<\/h4>\n<p>\u5206\u9875\u8bbe\u7f6e<\/p>\n<p>\u5f53\u7528\u6237\u6253\u5f00\u521d\u59cb\u9875\u9762\u65f6\uff08\u4e5f\u5c31\u662f\u6253\u5f00\u5c4f\u5e55\uff0c\u5e76\u4e14\u6539\u53d8\u6392\u5e8f\u9009\u9879\u6216\u66f4\u6539\u663e\u793a\u5217\u8868\u6570\u91cf\u7684\u60c5\u51b5\u4e0b\uff09\uff0c\u8bf7\u53c2\u8003\u4e0b\u5217\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">IsInitialPageView<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u30da\u30fc\u30b8\u30f3\u30b0\u6307\u5b9a\u7121\u3057\u306e\u521d\u671f\u30da\u30fc\u30b8\u30d3\u30e5\u30fc<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"m\">1<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">InitialLimit<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"err\">\u301c\u301c\u301c<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5224\u65ad\u662f\u5426\u4e3a\u521d\u59cb\u9875\u9762\u53ef\u4ee5\u91c7\u7528\u4ee5\u4e0b\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">PageCondition<\/span><span class=\"p\">)<\/span> <span class=\"n\">IsInitialPageView<\/span><span class=\"p\">()<\/span> <span class=\"kt\">bool<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">true<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u9875\u9762\u4e4b\u95f4\u7684\u8df3\u8f6c\u8def\u5f84\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code>        <span class=\"err\">\u301c\u301c\u301c<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c\">\/\/ \u524d\u30da\u30fc\u30b8\u3078\u306e\u9077\u79fb\u6307\u793a<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span><span class=\"o\">.<\/span><span class=\"n\">Before<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">-<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span><span class=\"o\">.<\/span><span class=\"n\">Last<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">-<\/span> <span class=\"m\">1<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"c\">\/\/ \u6b21\u30da\u30fc\u30b8\u3078\u306e\u9077\u79fb\u6307\u793a<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span><span class=\"o\">.<\/span><span class=\"n\">After<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n                <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">+<\/span> <span class=\"m\">1<\/span>\r\n            <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">key<\/span> <span class=\"o\">+<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span><span class=\"o\">.<\/span><span class=\"n\">First<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fd9\u91cc\u91cd\u8981\u7684\u662f\u89e3\u7801\u6e38\u6807\u3002<br \/>\n\u6e38\u6807\u4ee5URL\u7f16\u7801\u7684\u5f62\u5f0f\u4e3a&#8221;customer+ROW_NUMBER&#8221;\u3002<br \/>\nROW_NUMBER\u662f\u4e00\u4e2a\u9884\u8bbe\u503c\uff0c\u8868\u793a\u5bf9\u4e8e\u641c\u7d22\u7ed3\u679c\uff0c\u4e0d\u8bba\u7b5b\u9009\u5185\u5bb9\u8fd8\u662f\u5347\u5e8f\u6216\u964d\u5e8f\u6392\u5e8f\uff0c\u90fd\u5047\u5b9a\u4e3a\u8fde\u7eed\u7f16\u53f7\u7684\u5e8f\u53f7\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"err\">~~~~<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u89e3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"n\">decodeCustomerCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">cursor<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"kt\">int64<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">modelName<\/span><span class=\"p\">,<\/span> <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">decodeCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">cursor<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">modelName<\/span> <span class=\"o\">!=<\/span> <span class=\"s\">\"customer\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">errors<\/span><span class=\"o\">.<\/span><span class=\"n\">New<\/span><span class=\"p\">(<\/span><span class=\"s\">\"not customer\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>&#8220;decodeCursor(~~~~)&#8221;\u7684\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">const<\/span> <span class=\"n\">cursorSeps<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"#####\"<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">decodeCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">cursor<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">,<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">byteArray<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">base64<\/span><span class=\"o\">.<\/span><span class=\"n\">RawURLEncoding<\/span><span class=\"o\">.<\/span><span class=\"n\">DecodeString<\/span><span class=\"p\">(<\/span><span class=\"n\">cursor<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">elements<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strings<\/span><span class=\"o\">.<\/span><span class=\"n\">SplitN<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">(<\/span><span class=\"n\">byteArray<\/span><span class=\"p\">),<\/span> <span class=\"n\">cursorSeps<\/span><span class=\"p\">,<\/span> <span class=\"m\">2<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Atoi<\/span><span class=\"p\">(<\/span><span class=\"n\">elements<\/span><span class=\"p\">[<\/span><span class=\"m\">1<\/span><span class=\"p\">])<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"m\">0<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">elements<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"p\">],<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">),<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u5173\u4e8e\u5982\u4f55\u6839\u636e\u4e0a\u8ff0\u903b\u8f91\u83b7\u53d6\u5f53\u524d\u8981\u663e\u793a\u9875\u9762\u7684\u8bb0\u5f55\u7684\u793a\u610f\u56fe\u3002<\/p>\n<pre class=\"post-pre\"><code>\u73fe\u5728\u3001\u4ee5\u4e0b\u306e\u72b6\u614b\u3068\u3059\u308b\u3002\r\n\u30fb\uff11\u30da\u30fc\u30b8\u3042\u305f\u308a\u306e\u8868\u793a\u4ef6\u6570\u306f\u3001\uff15\u4ef6\r\n\u30fbID\u306e\u964d\u9806\u3067\u4e26\u3093\u3060\u72b6\u614b\r\n\u30fb\uff12\u30da\u30fc\u30b8\u76ee\u3092\u8868\u793a\u3057\u3066\u3044\u308b\u72b6\u614b\r\n\r\n\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\uff11\u30da\u30fc\u30b8\u76ee\u3000\u3000\u3000\u3000\u3000\uff12\u30da\u30fc\u30b8\u76ee\u3000\u3000\u3000\u3000\u3000\u3000\uff13\u30da\u30fc\u30b8\u76ee\r\n\u3000ROW_NUMBER: [1, 2, 3, 4, 5], [6, 7, 8, 9, 10], [11, 12, 13, 14, 15]\r\n\r\n\u25a0\u300c\u524d\u30da\u30fc\u30b8\u300d\u306b\u9077\u79fb\u3059\u308b\u6307\u793a\u306e\u5834\u5408\r\n\u3000\uff11\u30da\u30fc\u30b8\u76ee\u306e 1 \u301c 5 \u306e\u30ec\u30b3\u30fc\u30c9\u304c\u6b32\u3057\u3044\u3002\r\n\u3000pageCondition.Backward.Before \u3092\u30c7\u30b3\u30fc\u30c9\u3057\u305fROW_NUMBER\u306b\uff08\uff12\u30da\u30fc\u30b8\u76ee\u306e\u5148\u982d\u30ec\u30b3\u30fc\u30c9\u3092\u793a\u3059\uff09[6] \u304c\u5165\u3063\u3066\u3044\u308b\u3002\r\n\u3000\u307e\u305f\u3001pageCondition.Backward.Last \u306b\u306f\uff11\u30da\u30fc\u30b8\u3042\u305f\u308a\u306e\u8868\u793a\u4ef6\u6570 [5\u4ef6] \u304c\u5165\u3063\u3066\u3044\u308b\u3002\r\n\u3000\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u8a08\u7b97\u3067\u53d6\u5f97\u3057\u305f\u3044\u7bc4\u56f2\u3092\u6c7a\u3081\u308b\u3002\r\n\u3000From\uff1a6 - 5 = 1\r\n\u3000To\u3000\uff1a6 - 1 = 5\r\n\r\n\u25a0\u300c\u6b21\u30da\u30fc\u30b8\u300d\u306b\u9077\u79fb\u3059\u308b\u6307\u793a\u306e\u5834\u5408\r\n\u3000\uff13\u30da\u30fc\u30b8\u76ee\u306e 11 \u301c 15 \u306e\u30ec\u30b3\u30fc\u30c9\u304c\u6b32\u3057\u3044\u3002\r\n\u3000pageCondition.Forward.After \u3092\u30c7\u30b3\u30fc\u30c9\u3057\u305fROW_NUMBER\u306b\uff08\uff12\u30da\u30fc\u30b8\u76ee\u306e\u672b\u5c3e\u30ec\u30b3\u30fc\u30c9\u3092\u793a\u3059\uff09[10] \u304c\u5165\u3063\u3066\u3044\u308b\u3002\r\n\u3000\u307e\u305f\u3001pageCondition.Forward.First \u306b\u306f\uff11\u30da\u30fc\u30b8\u3042\u305f\u308a\u306e\u8868\u793a\u4ef6\u6570 [5\u4ef6] \u304c\u5165\u3063\u3066\u3044\u308b\u3002\r\n\u3000\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u8a08\u7b97\u3067\u53d6\u5f97\u3057\u305f\u3044\u7bc4\u56f2\u3092\u6c7a\u3081\u308b\u3002\r\n\u3000From\uff1a10 + 1 = 11\r\n\u3000To\u3000\uff1a10 + 5 = 15\r\n<\/code><\/pre>\n<h4>\u6392\u5e8f\u987a\u5e8f\u7684\u89c4\u5b9a<\/h4>\n<pre class=\"post-pre\"><code>    <span class=\"k\">if<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKeyExists<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">orderKey<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">Key<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKey<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">params<\/span><span class=\"o\">.<\/span><span class=\"n\">orderDirection<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edgeOrder<\/span><span class=\"o\">.<\/span><span class=\"n\">Direction<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>CustomerOrderKeyExists()\u7684\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">o<\/span> <span class=\"o\">*<\/span><span class=\"n\">EdgeOrder<\/span><span class=\"p\">)<\/span> <span class=\"n\">CustomerOrderKeyExists<\/span><span class=\"p\">()<\/span> <span class=\"kt\">bool<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">o<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">false<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">o<\/span><span class=\"o\">.<\/span><span class=\"n\">Key<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">false<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">o<\/span><span class=\"o\">.<\/span><span class=\"n\">Key<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKey<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">false<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">o<\/span><span class=\"o\">.<\/span><span class=\"n\">Key<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerOrderKey<\/span><span class=\"o\">.<\/span><span class=\"n\">IsValid<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u6709\u5173\u300c\u987e\u5ba2\u300d\u4fe1\u606f\u7684\u6392\u5e8f\u5173\u952e\u5b57\u5019\u9009\u9879\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">CustomerOrderKey<\/span> <span class=\"kt\">string<\/span>\r\n\r\n<span class=\"k\">const<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"c\">\/\/ ID<\/span>\r\n    <span class=\"n\">CustomerOrderKeyID<\/span> <span class=\"n\">CustomerOrderKey<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"ID\"<\/span>\r\n    <span class=\"c\">\/\/ \u30e6\u30fc\u30b6\u30fc\u540d<\/span>\r\n    <span class=\"n\">CustomerOrderKeyName<\/span> <span class=\"n\">CustomerOrderKey<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"NAME\"<\/span>\r\n    <span class=\"c\">\/\/ \u5e74\u9f62<\/span>\r\n    <span class=\"n\">CustomerOrderKeyAge<\/span> <span class=\"n\">CustomerOrderKey<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"AGE\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<h4>\u6267\u884c\u641c\u7d22<\/h4>\n<pre class=\"post-pre\"><code>    <span class=\"k\">var<\/span> <span class=\"n\">records<\/span> <span class=\"p\">[]<\/span><span class=\"o\">*<\/span><span class=\"n\">CustomerWithRowNum<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">(<\/span><span class=\"n\">buildSearchQueryMod<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">))<\/span><span class=\"o\">.<\/span><span class=\"n\">Bind<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">records<\/span><span class=\"p\">);<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a CustomerWithRowNum \u7684\u7ed3\u6784\u4f53\uff0c\u5176\u4f5c\u4e3a\u5207\u7247\u7684\u7c7b\u578b\u4e3a records\u3002<br \/>\nboiled.Customer \u662f\u7531SQL Boiler\u4ece\u6570\u636e\u5e93\u8868\u5b9a\u4e49\u81ea\u52a8\u751f\u6210\u7684\u7ed3\u6784\u4f53\u3002<br \/>\n\u901a\u8fc7\u5c01\u88c5\uff0c\u5c06\u5176\u4ee5\u540d\u4e3a RowNum \u7684\u5f62\u5f0f\u4fdd\u5b58\u4e3a SQL \u8bed\u53e5\u4e2d\u7684 row_num\u3002<br \/>\n\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728\u63a5\u6536\u6267\u884c SQL \u8bed\u53e5\u7684\u7ed3\u679c\u65f6\uff0c\u65e0\u9700\u6bcf\u6b21\u90fd\u521b\u5efa\u7b26\u5408\u8868\u5b9a\u4e49\u7684\u7ed3\u6784\u4f53\uff0c\u53ea\u9700\u6839\u636e\u9700\u8981\u7075\u6d3b\u6dfb\u52a0\u6240\u9700\u7684\u5143\u7d20\u5373\u53ef\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">CustomerWithRowNum<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">RowNum<\/span>          <span class=\"kt\">int64<\/span> <span class=\"s\">`boil:\"row_num\"`<\/span>\r\n    <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customer<\/span> <span class=\"s\">`boil:\",bind\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0cbuildSearchQueryMod(params)\u7684\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ TODO: \u3068\u308a\u3042\u3048\u305a\u96d1\u306b\u4f5c\u3063\u305f\u3002\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u3078\u306e\u5bfe\u5fdc\u7b49\u3001\u3069\u3053\u307e\u3067\u6c4e\u7528\u6027\u3092\u6301\u305f\u305b\u308b\u304b\u306f\u8981\u4ef6\u6b21\u7b2c\u3002<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">buildSearchQueryMod<\/span><span class=\"p\">(<\/span><span class=\"n\">p<\/span> <span class=\"n\">searchParam<\/span><span class=\"p\">)<\/span> <span class=\"n\">qm<\/span><span class=\"o\">.<\/span><span class=\"n\">QueryMod<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">baseCondition<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">baseCondition<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"true\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">q<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">`\r\n        SELECT row_num, * FROM (\r\n            SELECT ROW_NUMBER() OVER (ORDER BY %s %s) AS row_num, *\r\n            FROM %s\r\n            WHERE %s\r\n        ) AS tmp\r\n        WHERE row_num BETWEEN %d AND %d\r\n    `<\/span>\r\n    <span class=\"n\">sql<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"n\">q<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">orderKey<\/span><span class=\"p\">,<\/span> <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">orderDirection<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">tableName<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">baseCondition<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumFrom<\/span><span class=\"p\">,<\/span> <span class=\"n\">p<\/span><span class=\"o\">.<\/span><span class=\"n\">rowNumTo<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">)<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">qm<\/span><span class=\"o\">.<\/span><span class=\"n\">SQL<\/span><span class=\"p\">(<\/span><span class=\"n\">sql<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528PostgreSQL\u7684Window\u51fd\u6570\uff08ROW_NUMBER()\uff09\uff0c\u5bf9\u5e94\u7528\u4e86\u6307\u5b9a\u5b57\u7b26\u4e32\u641c\u7d22\u8fc7\u6ee4\u5668\u548c\u6392\u5e8f\u7684\u7ed3\u679c\u8fdb\u884c\u7f16\u53f7\u3002<br \/>\n\u4ece\u8fd9\u4e2a\u7ed3\u679c\u4e2d\u63d0\u53d6\u6240\u9700\u8303\u56f4\u7684ROW_NUMBER\u3002<br \/>\n\u901a\u8fc7ROW_NUMBER\u7684\u8303\u56f4\u6307\u5b9a\uff0c\u5728\u201c\u4e0a\u4e00\u9875\u201d\u6216\u201c\u4e0b\u4e00\u9875\u201d\u4e2d\uff0c\u65e0\u8bba\u6392\u5e8f\u5143\u7d20\u662f\u4ec0\u4e48\uff0c\u662f\u5347\u5e8f\u8fd8\u662f\u964d\u5e8f\uff0c\u90fd\u53ef\u4ee5\u4ee5\u76f8\u540c\u7684\u673a\u5236\u83b7\u53d6\u3002<\/p>\n<h4>\u5c06\u641c\u7d22\u7ed3\u679c\u8f6c\u6362\u4e3aRelay\u683c\u5f0f\u5e76\u8fd4\u56de<\/h4>\n<h5>\u61c9\u7528\u641c\u7d22\u5b57\u4e32\u904e\u6ffe\u5f8c\u7684\u7d50\u679c\u6578\u91cf<\/h5>\n<p>\u6839\u636e\u8bc4\u8bba\u4e2d\u6240\u63d0\u5230\u7684\uff0c\u901a\u8fc7\u641c\u7d22\u5b57\u7b26\u4e32\u8fc7\u6ee4\u5668\u83b7\u53d6\u7b5b\u9009\u641c\u7d22\u7ed3\u679c\u7684\u6570\u91cf\uff0c\u5728\u9875\u9762\u8df3\u8f6c\u540e\uff0c\u4ecd\u7136\u5b58\u5728\u524d\u4e00\u4e2a\uff08\u6216\u4e0b\u4e00\u4e2a\uff09\u9875\u9762\uff08* \u901a\u8fc7\u8fd4\u56de\u6b64\u4fe1\u606f\uff0c\u524d\u7aef\u53ef\u4ee5\u5728UI\u8bbe\u8ba1\u4e0a\u63a7\u5236[Prev]\u6309\u94ae\u548c[Next]\u6309\u94ae\u7684\u542f\u7528\u6216\u7981\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/*\r\n     * \u30da\u30fc\u30b8\u30f3\u30b0\u5f8c\u306e\u6b21\u30da\u30fc\u30b8\u3001\u524d\u30da\u30fc\u30b8\u306e\u5b58\u5728\u6709\u7121\u5224\u5b9a\u306e\u305f\u3081\u306b\u5fc5\u8981\u306a\r\n     * \u691c\u7d22\u6587\u5b57\u5217\u30d5\u30a3\u30eb\u30bf\u9069\u7528\u5f8c\u306e\u7d50\u679c\u4ef6\u6570\u4fdd\u6301\u7528\r\n     *\/<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">totalCount<\/span> <span class=\"kt\">int64<\/span> <span class=\"o\">=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"k\">var<\/span> <span class=\"n\">err<\/span> <span class=\"kt\">error<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">filter<\/span> <span class=\"o\">==<\/span> <span class=\"s\">\"\"<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">()<\/span><span class=\"o\">.<\/span><span class=\"n\">Count<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">=<\/span> <span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">Customers<\/span><span class=\"p\">(<\/span><span class=\"n\">qm<\/span><span class=\"o\">.<\/span><span class=\"n\">Where<\/span><span class=\"p\">(<\/span><span class=\"n\">boiled<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerColumns<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"o\">+<\/span><span class=\"s\">\" LIKE ?\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"n\">filterWord<\/span><span class=\"o\">.<\/span><span class=\"n\">MatchString<\/span><span class=\"p\">()))<\/span><span class=\"o\">.<\/span><span class=\"n\">Count<\/span><span class=\"p\">(<\/span><span class=\"n\">ctx<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528SQL Boiler\u65f6\uff0c\u53ea\u9700\u4f7f\u7528\u81ea\u52a8\u751f\u6210\u7684\u6e90\u7801\uff0c\u4ee5 boiled.Customers().Count(ctx, r.DB) \u7684\u65b9\u5f0f\u5c31\u80fd\u83b7\u53d6\u987e\u5ba2\u8868\u7684\u5168\u90e8\u8bb0\u5f55\u6570\u3002<br \/>\n\u5982\u679c\u60f3\u8981\u6dfb\u52a0\u641c\u7d22\u6761\u4ef6\uff0c\u53ea\u9700\u6309\u7167\u4e0a\u8ff0\u6e90\u7801\u7684\u65b9\u5f0f\uff0c\u5728 boiled.Customers(xxxx) \u7684xxxx\u90e8\u5206\u4ee5SQL Boiler\u63d0\u4f9b\u7684\u5199\u6cd5\u6765\u7f16\u5199\u5373\u53ef\u3002<\/p>\n<h5>\u8f6c\u4ea4\u7269\u54c1\u5f52\u8fd8\u65b9\u5f0f<\/h5>\n<p>\u5728 Relay \u6240\u9700\u7684\u8fd4\u56de\u683c\u5f0f\u4e2d\uff0c\u6240\u9700\u8981\u7684\u53ea\u6709 &#8220;edges&#8221; \u548c &#8220;pageInfo&#8221;\uff0c\u4f46\u57fa\u4e8e UI \u8bbe\u8ba1\u7684\u9700\u8981\uff0c\u901a\u5e38\u4e5f\u5e0c\u671b\u5305\u542b\u6570\u91cf\u4fe1\u606f\uff0c\u56e0\u6b64\u4e5f\u5b9a\u4e49\u4e86 &#8220;totalCount&#8221;\u3002<br \/>\n\u8be6\u89c1\uff1ahttps:\/\/relay.dev\/graphql\/connections.htm#sec-Connection-Types<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/*\r\n     * Relay\u8fd4\u5374\u5f62\u5f0f\r\n     *\/<\/span>\r\n    <span class=\"n\">result<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerConnection<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">TotalCount<\/span><span class=\"o\">:<\/span> <span class=\"n\">totalCount<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h5>\u8fb9\u7f18<\/h5>\n<p>\u5149\u6807\u7684\u89e3\u7801\u5c31\u50cf\u4e4b\u524d\u63d0\u5230\u7684\u90a3\u6837\uff0c\u4f46\u662f\u7f16\u7801\u7684\u90e8\u5206\u5728\u8fd9\u91cc\u51fa\u73b0\u3002<br \/>\n\u4e3a\u6bcf\u4e2a\u641c\u7d22\u7ed3\u679c\u751f\u6210\u4e00\u4e2a\u5149\u6807\uff0c\u4eceROW_NUMBER\u751f\u6210\u5149\u6807\u3002<br \/>\n\u901a\u8fc7\u5c06\u5176\u8fd4\u56de\u7ed9\u524d\u7aef\uff0c\u524d\u7aef\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u5730\u5c06\u5149\u6807\u4f5c\u4e3a\u53c2\u6570\u9644\u52a0\uff0c\u5b9e\u73b0\u5206\u9875\uff0c\u800c\u65e0\u9700\u7279\u522b\u6307\u5b9a\u83b7\u53d6\u8303\u56f4\u6216\u5176\u4ed6\u64cd\u4f5c\u5373\u53ef\u5b9e\u73b0\u4e0b\u4e00\u9875\u7684\u9875\u9762\u8df3\u8f6c\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/*\r\n     * \u691c\u7d22\u7d50\u679c\u3092Edge\u30b9\u30e9\u30a4\u30b9\u5f62\u5f0f\u306b\u5909\u63db\r\n     *\/<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">edges<\/span> <span class=\"p\">[]<\/span><span class=\"o\">*<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEdge<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">record<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">records<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">edges<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">CustomerEdge<\/span><span class=\"p\">{<\/span>\r\n            <span class=\"n\">Node<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">Customer<\/span><span class=\"p\">{<\/span>\r\n                <span class=\"n\">ID<\/span><span class=\"o\">:<\/span>   <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">ID<\/span><span class=\"p\">)),<\/span>\r\n                <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">Name<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"n\">Age<\/span><span class=\"o\">:<\/span>  <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">Age<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"p\">},<\/span>\r\n            <span class=\"n\">Cursor<\/span><span class=\"o\">:<\/span> <span class=\"n\">createCursor<\/span><span class=\"p\">(<\/span><span class=\"s\">\"customer\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">record<\/span><span class=\"o\">.<\/span><span class=\"n\">RowNum<\/span><span class=\"p\">),<\/span>\r\n        <span class=\"p\">})<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">result<\/span><span class=\"o\">.<\/span><span class=\"n\">Edges<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span>\r\n<\/code><\/pre>\n<p>CustomerEdge \u91c7\u7528\u4ee5\u4e0b\u7ed3\u6784\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ \u691c\u7d22\u7d50\u679c\u4e00\u89a7\uff08\u203b\u30ab\u30fc\u30bd\u30eb\u60c5\u5831\u3092\u542b\u3080\uff09<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">CustomerEdge<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Node<\/span>   <span class=\"o\">*<\/span><span class=\"n\">Customer<\/span> <span class=\"s\">`json:\"node\"`<\/span>\r\n    <span class=\"n\">Cursor<\/span> <span class=\"kt\">string<\/span>    <span class=\"s\">`json:\"cursor\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>modelName \u548c key \u662f createCursor \u51fd\u6570\u7684\u5b9a\u4e49\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">const<\/span> <span class=\"n\">cursorSeps<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"#####\"<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">createCursor<\/span><span class=\"p\">(<\/span><span class=\"n\">modelName<\/span> <span class=\"kt\">string<\/span><span class=\"p\">,<\/span> <span class=\"n\">key<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">)<\/span> <span class=\"kt\">string<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">base64<\/span><span class=\"o\">.<\/span><span class=\"n\">RawURLEncoding<\/span><span class=\"o\">.<\/span><span class=\"n\">EncodeToString<\/span><span class=\"p\">([]<\/span><span class=\"kt\">byte<\/span><span class=\"p\">(<\/span><span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Sprintf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s%s%d\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">modelName<\/span><span class=\"p\">,<\/span> <span class=\"n\">cursorSeps<\/span><span class=\"p\">,<\/span> <span class=\"n\">key<\/span><span class=\"p\">)))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h5>\u9875\u9762\u4fe1\u606f (Page information)<\/h5>\n<p>\u7531\u4e8e\u5b58\u5728\u5728\u8fd9\u91cc\u8ba1\u7b97\u5e76\u8fd4\u56de\u7684\u4fe1\u606f\uff0c\u524d\u7aef\u5904\u7406\u88ab\u8f7b\u91cf\u5316\u3002<br \/>\n\u6240\u9700\u7684\u9875\u9762\u4fe1\u606f\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ \u30da\u30fc\u30b8\u60c5\u5831<\/span>\r\n<span class=\"k\">type<\/span> <span class=\"n\">PageInfo<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ \u6b21\u30da\u30fc\u30b8\u6709\u7121<\/span>\r\n    <span class=\"n\">HasNextPage<\/span> <span class=\"kt\">bool<\/span> <span class=\"s\">`json:\"hasNextPage\"`<\/span>\r\n    <span class=\"c\">\/\/ \u524d\u30da\u30fc\u30b8\u6709\u7121<\/span>\r\n    <span class=\"n\">HasPreviousPage<\/span> <span class=\"kt\">bool<\/span> <span class=\"s\">`json:\"hasPreviousPage\"`<\/span>\r\n    <span class=\"c\">\/\/ \u5f53\u8a72\u30da\u30fc\u30b8\u306e\uff11\u30ec\u30b3\u30fc\u30c9\u76ee<\/span>\r\n    <span class=\"n\">StartCursor<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"startCursor\"`<\/span>\r\n    <span class=\"c\">\/\/ \u5f53\u8a72\u30da\u30fc\u30b8\u306e\u6700\u7d42\u30ec\u30b3\u30fc\u30c9<\/span>\r\n    <span class=\"n\">EndCursor<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"endCursor\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u4e3a\u4e86\u5224\u65ad\u662f\u5426\u5b58\u5728\u4e0b\u4e00\u9875\uff0c\u9700\u8981\u8ba1\u7b97\u51fa\u201c\u603b\u9875\u6570\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/\/ \u691c\u7d22\u7d50\u679c\u5168\u4ef6\u6570\u3068\uff11\u30da\u30fc\u30b8\u3042\u305f\u308a\u306e\u8868\u793a\u4ef6\u6570\u304b\u3089\u3001\u4eca\u56de\u306e\u691c\u7d22\u306b\u3088\u308b\u7dcf\u30da\u30fc\u30b8\u6570\u3092\u7b97\u51fa<\/span>\r\n    <span class=\"n\">totalPage<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">TotalPage<\/span><span class=\"p\">(<\/span><span class=\"n\">totalCount<\/span><span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>TotalPage\uff08~~\uff09\u7684\u5b9a\u4e49\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">PageCondition<\/span><span class=\"p\">)<\/span> <span class=\"n\">TotalPage<\/span><span class=\"p\">(<\/span><span class=\"n\">totalCount<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">)<\/span> <span class=\"kt\">int64<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">targetCount<\/span> <span class=\"kt\">int64<\/span> <span class=\"o\">=<\/span> <span class=\"m\">0<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">targetCount<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">InitialLimit<\/span>\r\n    <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">targetCount<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span><span class=\"o\">.<\/span><span class=\"n\">Last<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">targetCount<\/span> <span class=\"o\">=<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span><span class=\"o\">.<\/span><span class=\"n\">First<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"kt\">int64<\/span><span class=\"p\">(<\/span><span class=\"n\">math<\/span><span class=\"o\">.<\/span><span class=\"n\">Ceil<\/span><span class=\"p\">(<\/span><span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">totalCount<\/span><span class=\"p\">)<\/span> <span class=\"o\">\/<\/span> <span class=\"kt\">float64<\/span><span class=\"p\">(<\/span><span class=\"n\">targetCount<\/span><span class=\"p\">)))<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5229\u7528\u4ee5\u4e0a\u7684\u4fe1\u606f\uff0c\u53ef\u4ee5\u5224\u65ad\u51fa\u201c\u4e0b\u4e00\u9875\u7684\u5b58\u5728\u4e0e\u5426\u201d\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"c\">\/*\r\n     * \u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3067\u306e\u753b\u9762\u8868\u793a\u53ca\u3073\u6b21\u56de\u30da\u30fc\u30b8\u30f3\u30b0\u306b\u5fc5\u8981\u306a\u60c5\u5831\r\n     *\/<\/span>\r\n    <span class=\"n\">pageInfo<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"n\">PageInfo<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">HasNextPage<\/span><span class=\"o\">:<\/span>     <span class=\"p\">(<\/span><span class=\"n\">totalPage<\/span> <span class=\"o\">-<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">MoveToPageNo<\/span><span class=\"p\">())<\/span> <span class=\"o\">&gt;=<\/span> <span class=\"m\">1<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u9077\u79fb\u5f8c\u3082\u3001\u307e\u3060\u5148\u306e\u30da\u30fc\u30b8\u304c\u3042\u308b\u304b<\/span>\r\n        <span class=\"n\">HasPreviousPage<\/span><span class=\"o\">:<\/span> <span class=\"n\">pageCondition<\/span><span class=\"o\">.<\/span><span class=\"n\">MoveToPageNo<\/span><span class=\"p\">()<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">1<\/span><span class=\"p\">,<\/span>                <span class=\"c\">\/\/ \u9077\u79fb\u5f8c\u3082\u3001\u307e\u3060\u524d\u306e\u30da\u30fc\u30b8\u304c\u3042\u308b\u304b<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e0a\u9762\u63d0\u53ca\u7684MoveToPageNo()\u7684\u5b9a\u4e49\u4e5f\u53ef\u7528\u4e8e\u5224\u65ad\u524d\u4e00\u9875\u7684\u5b58\u5728\u4e0e\u5426\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">func<\/span> <span class=\"p\">(<\/span><span class=\"n\">c<\/span> <span class=\"o\">*<\/span><span class=\"n\">PageCondition<\/span><span class=\"p\">)<\/span> <span class=\"n\">MoveToPageNo<\/span><span class=\"p\">()<\/span> <span class=\"kt\">int64<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"m\">1<\/span> <span class=\"c\">\/\/ \u60f3\u5b9a\u5916\u306e\u305f\u3081\u521d\u671f\u30da\u30fc\u30b8<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">==<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">NowPageNo<\/span> <span class=\"c\">\/\/ \u524d\u306b\u3082\u5f8c\u308d\u306b\u3082\u9077\u79fb\u3057\u306a\u3044\u306e\u3067<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Backward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">NowPageNo<\/span> <span class=\"o\">&lt;=<\/span> <span class=\"m\">2<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"m\">1<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">NowPageNo<\/span> <span class=\"o\">-<\/span> <span class=\"m\">1<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">Forward<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">c<\/span><span class=\"o\">.<\/span><span class=\"n\">NowPageNo<\/span> <span class=\"o\">+<\/span> <span class=\"m\">1<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"m\">1<\/span> <span class=\"c\">\/\/ \u60f3\u5b9a\u5916\u306e\u305f\u3081\u521d\u671f\u30da\u30fc\u30b8<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u540e\uff0c\u4ece\u6b64\u6b21\u641c\u7d22\u7684\u9875\u9762\u8bb0\u5f55\u4e2d\u5206\u522b\u63d0\u53d6\u51fa\u7b2c\u4e00\u4e2a\u548c\u6700\u540e\u4e00\u4e2a\u6e38\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code>    <span class=\"k\">if<\/span> <span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">pageInfo<\/span><span class=\"o\">.<\/span><span class=\"n\">StartCursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span><span class=\"p\">[<\/span><span class=\"m\">0<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"n\">Cursor<\/span>\r\n        <span class=\"n\">pageInfo<\/span><span class=\"o\">.<\/span><span class=\"n\">EndCursor<\/span> <span class=\"o\">=<\/span> <span class=\"n\">edges<\/span><span class=\"p\">[<\/span><span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">edges<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"m\">1<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"n\">Cursor<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">result<\/span><span class=\"o\">.<\/span><span class=\"n\">PageInfo<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pageInfo<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u5149\u6807\u5728\u524d\u7aef\u4e2d\uff0c\u5728\u4e0b\u4e00\u9875\u9875\u9762\u8df3\u8f6c\u65f6\uff0c\u5982\u679c\u8981\u8df3\u8f6c\u5230\u201c\u4e0a\u4e00\u9875\u201d\uff0c\u5c06\u4f7f\u7528\u201cStartCursor\u201d\uff0c\u5982\u679c\u8981\u8df3\u8f6c\u5230\u201c\u4e0b\u4e00\u9875\u201d\uff0c\u5c06\u4f7f\u7528\u201cEndCursor\u201d\u3002<\/p>\n<pre class=\"post-pre\"><code>PageCondition\r\n    Backward\r\n        Before  \u30fb\u30fb\u30fb StartCursor\r\n    Forward\r\n        After   \u30fb\u30fb\u30fb EndCursor\r\n<\/code><\/pre>\n<h2>\u524d\u7aef<\/h2>\n<p>\u4ee5\u4e0b\u662f\u6e90\u4ee3\u7801\u3002<\/p>\n<p>https:\/\/github.com\/sky0621\/study-graphql\/tree\/v0.10.0\/try01\/src\/frontend<\/p>\n<p>\u7531\u4e8e\u8fd9\u7bc7\u6587\u7ae0\u7684\u7ed3\u6784\u4e0e\u4e4b\u524d\u5199\u8fc7\u7684\u6587\u7ae0\u76f8\u540c\uff0c\u6240\u4ee5\u7701\u7565\u4e86\u89e3\u91ca\u3002<br \/>\n\u8bf7\u53c2\u8003\u4e0b\u6587\u3002<br \/>\n\u5728GraphQL\u4e2d\u4f7f\u7528Relay\u6837\u5f0f\u5b9e\u73b0\u5206\u9875\uff08\u7b2c\u4e8c\u90e8\u5206\uff1a\u524d\u7aef\uff09\u3002<\/p>\n<h2>\u786e\u8ba4\u884c\u52a8<\/h2>\n<h3>\u5728\u9996\u6b21\u9875\u9762\u663e\u793a\u65f6\uff0c\u6309\u7167ID\u7684\u964d\u5e8f\u6392\u5217<\/h3>\n<h4>\u6570\u636e\u5e93\u7684\u72b6\u6001<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/182-0.png\" alt=\"Screenshot at 2020-11-16 23-12-21.png\" \/><\/div>\n<h4>\u753b\u9762\u8fc7\u6e21\u6548\u679c<\/h4>\n<h5>\u7b2c\u4e00\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/185-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_17_37.png\" \/><\/div>\n<h5>\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/187-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_17_55.png\" \/><\/div>\n<h5>\u7b2c\u4e09\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/189-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_18_09.png\" \/><\/div>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/190-0.png\" alt=\"Screenshot at 2020-11-16 23-21-30.png\" \/><\/div>\n<h5>\u56de\u5230\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/192-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_24_45.png\" \/><\/div>\n<h3>\u5c06ID\u6309\u5347\u5e8f\u8fdb\u884c\u66f4\u6539<\/h3>\n<h4>\u6570\u636e\u5e93\u7684\u72b6\u6001<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/195-0.png\" alt=\"Screenshot at 2020-11-16 23-25-51.png\" \/><\/div>\n<h4>\u753b\u9762\u7684\u8f6c\u6362\u6548\u679c<\/h4>\n<h5>\u7b2c\u4e00\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/198-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_26_42.png\" \/><\/div>\n<h5>\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/200-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_26_54.png\" \/><\/div>\n<h5>\u7b2c\u4e09\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/202-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_27_05.png\" \/><\/div>\n<h5>\u8fd4\u56de\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/204-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_27_18.png\" \/><\/div>\n<h3>\u6309\u7167Name\u7684\u964d\u5e8f\u8fdb\u884c\u66f4\u6539<\/h3>\n<h4>\u6570\u636e\u5e93\u7684\u72b6\u6001<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/207-0.png\" alt=\"Screenshot at 2020-11-16 23-29-36.png\" \/><\/div>\n<h4>\u753b\u9762\u8fc7\u6e21\u6548\u679c<\/h4>\n<h5>\u7b2c\u4e00\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/210-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_31_17.png\" \/><\/div>\n<h5>\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/212-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_31_29.png\" \/><\/div>\n<h5>\u7b2c\u4e09\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/214-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_31_40.png\" \/><\/div>\n<h5>\u56de\u5230\u7b2c\u4e8c\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/216-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_32_22.png\" \/><\/div>\n<h3>\u5c06\u5e74\u9f84\u6309\u5347\u5e8f\u6392\u5217\uff0c\u5e76\u5c06\u6bcf\u9875\u663e\u793a\u6570\u91cf\u66f4\u6539\u4e3a&#8221;10\u4e2a&#8221;\u3002<\/h3>\n<h4>\u6570\u636e\u5e93\u7684\u72b6\u6001<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/219-0.png\" alt=\"Screenshot at 2020-11-16 23-33-46.png\" \/><\/div>\n<h4>\u753b\u9762\u5207\u6362\u7684\u7ed3\u679c<\/h4>\n<h5>\u7b2c\u4e00\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/222-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_35_09.png\" \/><\/div>\n<h5>\u8bf7\u5c06\u4e0b\u9762\u8fd9\u53e5\u8bdd\u7528\u4e2d\u6587\u8fdb\u884c\u540c\u4e49\u8f6c\u8ff0\uff1a<\/h5>\n<p>\u7b2c\u4e8c\u9875<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/224-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_35_22.png\" \/><\/div>\n<h5>\u56de\u5230\u7b2c\u4e00\u9875<\/h5>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/226-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_35_34.png\" \/><\/div>\n<h3>\u6309\u7167Name\u8fdb\u884c\u5347\u5e8f\u6392\u5217\uff0c\u5e76\u66f4\u6539\u4e3a\u4ee5&#8221;k&#8221;\u4f5c\u4e3a\u8fc7\u6ee4\u5668\u3002<\/h3>\n<h4>\u6570\u636e\u5e93\u7684\u72b6\u6001<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/229-0.png\" alt=\"Screenshot at 2020-11-16 23-39-52.png\" \/><\/div>\n<h4>\u753b\u9762\u5207\u6362\u7684\u7ed3\u679c<\/h4>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/231-0.png\" alt=\"screenshot-localhost_3000-2020.11.16-23_40_35.png\" \/><\/div>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u76ee\u524d\uff0c\u5df2\u7ecf\u5b9e\u73b0\u4e86&#8221;\u5ba2\u6237\u5217\u8868&#8221;\u9875\u9762\u7684\u5206\u9875\u529f\u80fd\uff08\u4ee5\u53ca\u5143\u7d20\u6392\u5e8f\u548c\u5b57\u7b26\u4e32\u641c\u7d22\u8fc7\u6ee4\u7684\u7ec4\u5408\uff09\u3002\u4f5c\u4e3a\u540e\u7aef\u5b9e\u73b0\uff0c\u73b0\u5728\u53ef\u4ee5\u5728\u4e0d\u50cf\u4e0a\u4e00\u6b21\u90a3\u6837\u5c06\u6392\u5e8f\u5143\u7d20\u7684\u503c\u50a8\u5b58\u5728\u5149\u6807\u4e2d\uff08\u8fd9\u662f\u4e00\u79cd\u6781\u7aef\u7684\u505a\u6cd5\uff09\uff0c\u800c\u662f\u53ef\u4ee5\u7edf\u4e00\u4ee5\u76f8\u540c\u7684\u683c\u5f0f\u6267\u884cSQL\u67e5\u8be2\u3002<\/p>\n<p>\u7136\u800c\uff0c\u53ea\u662f\u7b80\u5355\u5730\u5c06\u5b83\u4eec\u5927\u89c4\u6a21\u590d\u5236\u5230\u6bcf\u4e2a\u529f\u80fd\u4e2d\u662f\u592a\u7e41\u7410\u4e86\uff0c\u6240\u4ee5\u5728\u5b9e\u9645\u4f7f\u7528\u65f6\u9700\u8981\u5c3d\u53ef\u80fd\u5c06\u5176\u6a21\u677f\u5316\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5728\u4ee3\u7801\u4e2d\u8fd8\u6709\u4e00\u4e9b\u6ce8\u91ca\u4e2d\u6807\u8bb0\u7684\u5f85\u529e\u4e8b\u9879\uff0c\u95ee\u9898\u8fd8\u662f\u6709\u5f88\u591a\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u7528\u6c49\u8bed\u5c06\u4e0b\u9762\u7684\u53e5\u5b50\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a \u304a\u984c \u4e4b\u524d\uff0c\u6211\u5728\u4ee5\u4e0b\u6587\u7ae0\u4e2d\u5c1d\u8bd5\u5b9e\u73b0\u4e86Relay\u6837\u5f0f\u3002 Grap [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48284","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u8003\u8651\u4f7f\u7528relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684graphql\uff08\u4f7f\u7528\u7a97\u53e3\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09\" \/>\n<meta property=\"og:description\" content=\"\u8bf7\u7528\u6c49\u8bed\u5c06\u4e0b\u9762\u7684\u53e5\u5b50\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a \u304a\u984c \u4e4b\u524d\uff0c\u6211\u5728\u4ee5\u4e0b\u6587\u7ae0\u4e2d\u5c1d\u8bd5\u5b9e\u73b0\u4e86Relay\u6837\u5f0f\u3002 Grap [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u8003\u8651\u4f7f\u7528relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684graphql\uff08\u4f7f\u7528\u7a97\u53e3\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2024-01-18T20:28:01+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-30T06:51:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/20-0.png\" \/>\n<meta name=\"author\" content=\"\u5b87, \u534e\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u5b87, \u534e\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/\",\"name\":\"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2024-01-18T20:28:01+00:00\",\"dateModified\":\"2024-04-30T06:51:00+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458\",\"name\":\"\u5b87, \u534e\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g\",\"caption\":\"\u5b87, \u534e\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u8003\u8651\u4f7f\u7528relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684graphql\uff08\u4f7f\u7528\u7a97\u53e3\/","og_locale":"zh_CN","og_type":"article","og_title":"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09","og_description":"\u8bf7\u7528\u6c49\u8bed\u5c06\u4e0b\u9762\u7684\u53e5\u5b50\u7ffb\u8bd1\u6210\u4e2d\u6587\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a \u304a\u984c \u4e4b\u524d\uff0c\u6211\u5728\u4ee5\u4e0b\u6587\u7ae0\u4e2d\u5c1d\u8bd5\u5b9e\u73b0\u4e86Relay\u6837\u5f0f\u3002 Grap [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/\u91cd\u65b0\u8003\u8651\u4f7f\u7528relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684graphql\uff08\u4f7f\u7528\u7a97\u53e3\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2024-01-18T20:28:01+00:00","article_modified_time":"2024-04-30T06:51:00+00:00","og_image":[{"url":"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8444913a08637a6b5b8a\/20-0.png"}],"author":"\u5b87, \u534e","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u5b87, \u534e","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"8 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/","name":"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2024-01-18T20:28:01+00:00","dateModified":"2024-04-30T06:51:00+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"\u91cd\u65b0\u8003\u8651\u4f7f\u7528Relay\u98ce\u683c\u8fdb\u884c\u5206\u9875\u5b9e\u73b0\u7684GraphQL\uff08\u4f7f\u7528\u7a97\u53e3\u51fd\u6570\u7248\uff09"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/513018e4e121d3add1b7c5de8be21458","name":"\u5b87, \u534e","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/63cd45cbc05a35fc4ff7637a163c83c4962ef58d27472726c3a3e0c9c5194f0f?s=96&d=mm&r=g","caption":"\u5b87, \u534e"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yuhua\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%87%8d%e6%96%b0%e8%80%83%e8%99%91%e4%bd%bf%e7%94%a8relay%e9%a3%8e%e6%a0%bc%e8%bf%9b%e8%a1%8c%e5%88%86%e9%a1%b5%e5%ae%9e%e7%8e%b0%e7%9a%84graphql%ef%bc%88%e4%bd%bf%e7%94%a8%e7%aa%97%e5%8f%a3\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/48284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/10"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=48284"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/48284\/revisions"}],"predecessor-version":[{"id":92563,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/48284\/revisions\/92563"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=48284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=48284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=48284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}