{"id":30058,"date":"2023-03-22T12:24:11","date_gmt":"2022-10-31T10:29:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8go-mongodb%e6%9d%a5%e4%bd%bf%e7%94%a8graphql\/"},"modified":"2025-08-12T17:19:44","modified_gmt":"2025-08-12T09:19:44","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8go-mongodb%e6%9d%a5%e4%bd%bf%e7%94%a8graphql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8go-mongodb%e6%9d%a5%e4%bd%bf%e7%94%a8graphql\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528Go + MongoDB\u6765\u4f7f\u7528GraphQL"},"content":{"rendered":"<h1>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002\u7531\u4e8e\u5df2\u7ecf\u6709\u76f8\u5173\u6587\u7ae0\u4ecb\u7ecd\u4e86\uff0c\u60a8\u53ef\u4ee5\u53c2\u8003\u90a3\u4e9b\u5185\u5bb9\u3002<br \/>\nGraphQL\u5165\u95e8- \u4ee4\u4eba\u60f3\u4f7f\u7528GraphQL<br \/>\n\u5bf9\u6bd4REST\uff0c\u63a2\u7a76\u201cGraphQL\u201d\u5982\u4f55\u6539\u53d8\u5e94\u7528\u5f00\u53d1\u6d41\u7a0b<br \/>\nGraphQL\u5e76\u975e\u53d6\u4ee3REST<br \/>\nGraphQL\u9002\u7528\u4e8e\u4ec0\u4e48\u573a\u666f<\/p>\n<p>GraphQL\u7684\u6982\u5ff5\u5e76\u4e0d\u96be\uff0c\u4f46\u5b9e\u9645\u4e0a\u5982\u4f55\u8fd0\u884c\u53ef\u80fd\u5f88\u96be\u7406\u89e3\u3002\u50cf\u6211\u81ea\u5df1\u4e00\u6837&#8230;<\/p>\n<p>\u6211\u8ba4\u4e3a\u65e5\u8bed\u6587\u672c\u5e76\u4e0d\u662f\u5f88\u591a\uff0c\u6240\u4ee5\u5982\u679c\u60a8\u80fd\u53c2\u8003\u4e00\u4e0b\u6211\u4f1a\u5f88\u9ad8\u5174\u3002<\/p>\n<h1>\u7528Go\u8bed\u8a00\u5b9e\u73b0GraphQL\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u4f7f\u7528Golang\u6765\u4f7f\u7528GraphQL\u3002<br \/>\n\u6211\u60f3\u5c1d\u8bd5\u4e00\u4e9bGo\u7684\u4e1c\u897f\uff0c\u6240\u4ee5\u6211\u7814\u7a76\u4e86\u4e00\u4e0bGraphQL\u7684\u7528\u6cd5\u3002\u4f46\u662f\uff0c\u5173\u4e8eGraphQL\u7684\u89e3\u91ca\u5927\u591a\u4e0d\u662f\u7528\u65e5\u8bed\u89e3\u91ca\u7684\uff08\u5927\u591a\u662f\u4f7f\u7528graphql-go\u7684\u9875\u9762\uff09\uff0c\u6240\u4ee5\u6211\u4e0d\u5f97\u4e0d\u53c2\u8003\u4e00\u4e9b\u82f1\u6587\u6587\u7ae0\u6765\u5b66\u4e60\u3002<\/p>\n<p>\u7531\u4e8e Golang \u548c GraphQL \u90fd\u662f\u65b0\u6765\u8005\uff0c\u6240\u4ee5\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u4e0d\u51c6\u786e\u6216\u9700\u8981\u6539\u8fdb\u7684\u5730\u65b9\uff0c\u5e0c\u671b\u60a8\u5728\u90a3\u4e9b\u65f6\u5019\u80fd\u6beb\u4e0d\u7559\u60c5\u5730\u6307\u51fa\u3002<\/p>\n<h1>\u4f7f\u7528\u7684\u7269\u54c1<\/p>\n<pre class=\"post-pre\"><code>Golang\r\n  go version go1.11.5 darwin\/amd64\r\nGraphQL\r\n  v0.7.7\r\nMongoDB\r\n  MongoDB shell version v4.0.3\r\nmacOS\r\n  Mojave version 10.14.3\r\n<\/code><\/pre>\n<p>\u5b89\u88c5\u65b9\u6cd5\u4e4b\u7c7b\u7684\u5c31\u4e0d\u9700\u8981\u7279\u522b\u8bf4\u660e\u4e86\uff0c\u6240\u4ee5\u7701\u7565\u3002<\/p>\n<h1>\u5b9e\u65bd\u6b65\u9aa4 (sh\u00ed sh\u012b b\u00f9<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8fde\u63a5\u5230MongoDB\u5e76\u521b\u5efa\u7528\u4e8e\u6f14\u793a\u7684\u6570\u636e<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f15\u5165GraphQL<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u4f7f\u7528GraphQL\u83b7\u53d6\u6570\u636e<\/ol>\n<p>\u7531\u4e8e\u4f7f\u7528GraphQL\uff0c\u6211\u4eec\u4e0d\u4f7f\u7528\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\uff0c\u800c\u662f\u4f7f\u7528NoSQL\u6765\u5904\u7406\u6570\u636e\u3002<br \/>\n\u867d\u7136GraphQL\u5e76\u4e0d\u610f\u5473\u7740\u4e0d\u80fd\u4e0eRDBMS\u4e00\u8d77\u4f7f\u7528\uff0c\u4f46\u636e\u6211\u542c\u8bf4\uff0c\u8fd9\u6837\u7684\u4f7f\u7528\u793a\u4f8b\u8f83\u5c11\uff0c\u57fa\u672c\u4e0a\u8f83\u5e38\u89c1\u7684\u662f\u4e0eNoSQL\u4e00\u8d77\u4f7f\u7528\u3002<br \/>\n\u56e0\u6b64\uff0c\u5728\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e86\u9762\u5411\u6587\u6863\u578b\u7684NoSQL\u6570\u636e\u5e93MongoDB\u3002<\/p>\n<p>\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u636e\u8bf4\u5728Hasura\u8fd9\u4e2a\u670d\u52a1\u4e2d\u53ef\u4ee5\u4f7f\u7528PostgreSQL\u6765\u4f7f\u7528GraphQL\u3002<\/p>\n<h1>\u8fde\u63a5\u5230MongoDB\u5e76\u521b\u5efa\u7528\u4e8e\u6f14\u793a\u7684\u6570\u636e\u3002\u3059\u3067\u306bMongoDB\u304c\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u3068\u8a00\u3046\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u3066\u3001\u4f5c\u696d\u3067\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3067$ sudo mongod &#8211;dbpath .\/\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u3059\u308b\u3068\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u69d8\u3005\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30d5\u30a9\u30eb\u30c0\u304c\u4f5c\u6210\u3055\u308c\u3001MongoDB\u304c\u8d77\u52d5\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u5f53\u524d\u72b6\u6001\u4e0b\u8fd0\u884c$ mongo\u547d\u4ee4\uff0c\u53ef\u4ee5\u5f00\u59cb\u4e0eMongoDB\u5efa\u7acb\u8fde\u63a5\u3002<\/p>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u6307\u5357\u4ee5\u4e86\u89e3\u53ef\u5728 MongoDB \u4e2d\u4f7f\u7528\u7684\u547d\u4ee4\u3002<br \/>\nMongoDB\u7684\u57fa\u672c\u7528\u6cd5\u8bf7\u53c2\u8003\u3002<\/p>\n<p>\u8bf7\u5728\u8fd9\u91cc\u4f7f\u7528\u57fa\u672c\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code>&gt; db\u3000\u30fb\u30fb\u30fb\u3000\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u53c2\u7167\r\n&gt; show collections\u3000\u30fb\u30fb\u30fb\u3000\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u30ea\u30b9\u30c8\u3092\u8868\u793a\r\n&gt; db.collection_name.find()\u3000\u30fb\u30fb\u30fb\u3000\u6307\u5b9a\u3057\u305f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u5168\u4ef6\u53d6\u5f97\r\n&gt; db.collection_name.drop()\u3000\u30fb\u30fb\u30fb\u3000\u6307\u5b9a\u3057\u305f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u524a\u9664\r\n<\/code><\/pre>\n<p>\u60a8\u5c06\u4f7f\u7528\u8fd9\u4e9b\u547d\u4ee4\u3002<br \/>\n\u5728\u50cfMongoDB\u8fd9\u6837\u7684\u6587\u6863\u5bfc\u5411\u7684NoSQL\u4e2d\uff0c\u60a8\u53ef\u4ee5\u5c06\u96c6\u5408=\u8868\u683c\uff0c\u6587\u6863=\u8bb0\u5f55\u8fd9\u6837\u6765\u8003\u8651\u3002<\/p>\n<h1>\u5f15\u5165GraphQL\u5982\u679c\u8981\u5728Golang\u4e2d\u4f7f\u7528GraphQL\uff0c\u53ef\u4ee5\u9009\u62e9\u4e00\u4e9b\u5305\uff0c\u5982graphql-go\u548cGQLgen\uff0c\u4f46\u5728\u8fd9\u91cc\u6211\u4eec\u5c06\u4f7f\u7528graphql-go\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>go get github.com\/graphql-go\/graphql\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n  <span class=\"s\">\"github.com\/graphql-go\/graphql\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u4e00\u79cd\u9009\u62e9\uff1a\u4f7f\u7528Go\u6765\u4f7f\u7528GraphQL<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ local\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9test\u306b\u63a5\u7d9a<\/span>\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">session<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">mgo<\/span><span class=\"o\">.<\/span><span class=\"n\">Dial<\/span><span class=\"p\">(<\/span><span class=\"s\">\"mongodb:\/\/localhost\/test\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">defer<\/span> <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n  <span class=\"n\">db<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">(<\/span><span class=\"s\">\"test\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u5728MongoDB\u4e2d\u8fdb\u884c\u63d2\u5165\u548c\u67e5\u627e<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ insert into users<\/span>\r\n<span class=\"n\">newUser<\/span> <span class=\"o\">:=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">User<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Id<\/span><span class=\"o\">:<\/span> <span class=\"n\">bson<\/span><span class=\"o\">.<\/span><span class=\"n\">NewObjectId<\/span><span class=\"p\">(),<\/span>\r\n  <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"\u540d\u524d\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">Email<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"\u30a2\u30c9\u30ec\u30b9\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">Password<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"\u30d1\u30b9\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">col<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">C<\/span><span class=\"p\">(<\/span><span class=\"s\">\"users\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">col<\/span><span class=\"o\">.<\/span><span class=\"n\">Insert<\/span><span class=\"p\">(<\/span><span class=\"n\">newUser<\/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\">Fatalln<\/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=\"c\">\/\/ fetch all users<\/span>\r\n<span class=\"k\">var<\/span> <span class=\"n\">AllUsers<\/span> <span class=\"p\">[]<\/span><span class=\"n\">User<\/span>\r\n<span class=\"n\">query<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">C<\/span><span class=\"p\">(<\/span><span class=\"s\">\"users\"<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">Find<\/span><span class=\"p\">(<\/span><span class=\"n\">bson<\/span><span class=\"o\">.<\/span><span class=\"n\">M<\/span><span class=\"p\">{})<\/span>\r\n<span class=\"n\">query<\/span><span class=\"o\">.<\/span><span class=\"n\">All<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">AllUsers<\/span><span class=\"p\">)<\/span>\r\n<span class=\"c\">\/\/ AllUsers\u306f\u69cb\u9020\u4f53\u306a\u306e\u3067\u3001JSON\u306b\u3059\u308b\u5834\u5408\u306fjson.Marshal()\u3092\u3002<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u968f\u610f\u521b\u5efa\u6570\u636e\u3002<br \/>\n\u5173\u4e8e\u66f4\u65b0\u548c\u5220\u9664\u64cd\u4f5c\uff0c\u5728\u6b64\u4e0d\u4e88\u4ee5\u89e3\u91ca\u3002<br \/>\n\u6700\u5feb\u6377\u65b9\u4fbf\u7684\u65b9\u6cd5\u662f\u67e5\u9605\u5b98\u65b9\u6587\u6863\u3002<br \/>\nMongoDB \u6587\u6863\u3002<\/p>\n<h1>\u5229\u7528 GraphQL \u83b7\u53d6\u6570\u636e\u3002<br \/>\n\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba User \u7684\u7d50\u69cb\u9ad4\uff0c\u5c07\u5176\u7528\u4f5cGraphQL\u7684\u5b9a\u7fa9\u7684\u793a\u4f8b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">type<\/span> <span class=\"n\">User<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Id<\/span> <span class=\"n\">bson<\/span><span class=\"o\">.<\/span><span class=\"n\">ObjectId<\/span> <span class=\"s\">`bson:\"_id\"`<\/span> <span class=\"c\">\/\/ MongoDB\u3067\u81ea\u52d5\u751f\u6210\u3055\u308c\u308b_id\u3068User.Id\u3092\u540c\u4e00\u306e\u3082\u306e\u3068\u3059\u308b<\/span>\r\n    <span class=\"n\">Name<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`bson:\"name\"`<\/span>\r\n    <span class=\"n\">Email<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`bson:\"email\"`<\/span>\r\n    <span class=\"n\">Password<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`bson:\"password\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>bson\u662f\u4ec0\u4e48\uff1f\u5c31\u7c7b\u4f3c\u4e8ejson\uff0c\u53ef\u4ee5\u8ba4\u4e3a\u6ca1\u6709\u95ee\u9898\u3002MongoDB\u8d85\u5165\u95e8\u3002<\/p>\n<p>\u6b21\u306b\u3001\u30b9\u30ad\u30fc\u30de\u3068\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7528\u610f\u3057\u307e\u3059(\u3053\u306e2\u3064\u306e\u6b63\u5f0f\u306a\u540d\u79f0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u308f\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3063\u305f\u306e\u3067\u3053\u3046\u547c\u3070\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059)\u3002<br \/>\nGraphQL\u3067\u30c7\u30fc\u30bf\u3092\u53d6\u3063\u3066\u6765\u308b\u305f\u3081\u306b\u306f\u3001\u3053\u308c\u30892\u3064\u306e\u8981\u7d20\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u7d42\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b3\u30fc\u30c9\u306b\u30b9\u30ad\u30fc\u30de\u3068\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7a81\u3063\u8fbc\u307f\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">params<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Params<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Schema<\/span><span class=\"o\">:<\/span> <span class=\"n\">schema<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u30b9\u30ad\u30fc\u30de<\/span>\r\n  <span class=\"n\">RequestString<\/span><span class=\"o\">:<\/span> <span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u30ea\u30af\u30a8\u30b9\u30c8<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">r<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Do<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ GraphQL\u306e\u5b9f\u884c\u3057\u3001r\u306b\u7d50\u679c\u3092\u683c\u7d0d<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u30a8\u30e9\u30fc\u304c\u3042\u308c\u3070<\/span>\r\n  <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to execute graphql operation, errors: %+v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">rJSON<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">json<\/span><span class=\"o\">.<\/span><span class=\"n\">Marshal<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u69cb\u9020\u4f53\u3092JSON\u306b\u5909\u63db\u3057\u3066\u3001<\/span>\r\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s <\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">rJSON<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u30d7\u30ea\u30f3\u30c8\u3059\u308b\u3002<\/span>\r\n<\/code><\/pre>\n<h2>\u8fd9\u4e2a\u8bcd\u610f\u5473\u7740\u67b6\u6784\u6216\u7ed3\u6784\u3002<br \/>\n\u4e0b\u65b9\u4ee3\u7801\u7684\u7b2c\u56db\u884c\u5c31\u662f\u6a21\u5f0f\u3002<br \/>\n\u6a21\u5f0f\u662f\u6307GraphQL\u6295\u9012\u8bf7\u6c42\u7684\u76ee\u6807\u6570\u636e\u96c6\u4ee5\u53ca\u8be5\u6570\u636e\u96c6\u7684\u8bbe\u7f6e\uff0c\u7c7b\u4f3c\u4e8e\u89c4\u8303\u6587\u4ef6\u3002<br \/>\n\u6211\u4eec\u53ef\u4ee5\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u8fd8\u53ef\u4ee5\u8bbe\u7f6e\u6bcf\u4e2a\u6570\u636e\u7684\u7c7b\u578b\u548c\u901a\u8fc7\u8bf7\u6c42\u4f20\u9012\u7684\u53c2\u6570\uff0c\u5982id\u7b49\u3002<\/p>\n<p>\u5728GraphQL\u4e2d\uff0c\u9996\u5148\u9700\u8981\u9884\u5148\u4ece\u6570\u636e\u5e93\u4e2d\u63d0\u53d6\u51fa\u6240\u6709\u76f8\u5173\u7684\u6570\u636e\u3002<br \/>\n\u56e0\u6b64GraphQL\u5e76\u4e0d\u76f4\u63a5\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3002<br \/>\nGraphQL\u6240\u8981\u6c42\u7684\u662f\u5df2\u7ecf\u63d0\u53d6\u51fa\u7684\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u8bf4\u662f\u5c06\u8fd9\u4e2a\u6570\u636e\u96c6\u8fc7\u6ee4\uff0c\u53d6\u51fa\u6240\u9700\u7684\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ MongoDB\u3068\u63a5\u7d9a\u3057\u3066AllUsers(\u69cb\u9020\u4f53)\u3092\u7528\u610f\u3059\u308b<\/span>\r\n<span class=\"n\">session<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">mgo<\/span><span class=\"o\">.<\/span><span class=\"n\">Dial<\/span><span class=\"p\">(<\/span><span class=\"s\">\"mongodb:\/\/localhost\/test\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">defer<\/span> <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"n\">Close<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">db<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">session<\/span><span class=\"o\">.<\/span><span class=\"n\">DB<\/span><span class=\"p\">(<\/span><span class=\"s\">\"test\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"k\">var<\/span> <span class=\"n\">AllUsers<\/span> <span class=\"p\">[]<\/span><span class=\"n\">User<\/span> <span class=\"c\">\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9\u5b9a\u7fa9\u6642\u306b\u3053\u308c\u3092\u4f7f\u3046<\/span>\r\n<span class=\"n\">query<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">db<\/span><span class=\"o\">.<\/span><span class=\"n\">C<\/span><span class=\"p\">(<\/span><span class=\"s\">\"users\"<\/span><span class=\"p\">)<\/span><span class=\"o\">.<\/span><span class=\"n\">Find<\/span><span class=\"p\">(<\/span><span class=\"n\">bson<\/span><span class=\"o\">.<\/span><span class=\"n\">M<\/span><span class=\"p\">{})<\/span>\r\n<span class=\"n\">query<\/span><span class=\"o\">.<\/span><span class=\"n\">All<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">AllUsers<\/span><span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">var<\/span> <span class=\"n\">userType<\/span> <span class=\"o\">=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewObject<\/span><span class=\"p\">(<\/span> <span class=\"c\">\/\/ GraphQL\u7528\u306e\u578b\u5b9a\u7fa9<\/span>\r\n  <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ObjectConfig<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"User\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Fields<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Fields<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"s\">\"id\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"name\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"email\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"password\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/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=\"n\">fields<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Fields<\/span><span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u30d5\u30a3\u30fc\u30eb\u30c9(\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u4f7f\u308f\u308c\u308b\u30c7\u30fc\u30bf\u306e\u6271\u3044\u65b9\u306b\u95a2\u3059\u308b\u8a2d\u5b9a)<\/span>\r\n  <span class=\"s\">\"user\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">userType<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Description<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Fetch user by Id\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Args<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">FieldConfigArgument<\/span><span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u30ea\u30af\u30a8\u30b9\u30c8\u306b\u6e21\u3059\u5f15\u6570\u306b\u3064\u3044\u3066\u306e\u8a2d\u5b9a<\/span>\r\n      <span class=\"s\">\"id\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ArgumentConfig<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"n\">Resolve<\/span><span class=\"o\">:<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">param<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ResolveParams<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"k\">interface<\/span><span class=\"p\">{},<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u5e30\u3063\u3066\u6765\u308b\u30c7\u30fc\u30bf\u306e\u8a2d\u5b9a<\/span>\r\n      <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">param<\/span><span class=\"o\">.<\/span><span class=\"n\">Args<\/span><span class=\"p\">[<\/span><span class=\"s\">\"id\"<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"n\">ok<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">user<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">AllUsers<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ AllUsers\u306fmonngoDB\u304b\u3089\u53d6\u3063\u3066\u304d\u305f\u5168\u3066User\u306e\u30c7\u30fc\u30bf<\/span>\r\n          <span class=\"k\">if<\/span> <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">Id<\/span><span class=\"o\">.<\/span><span class=\"n\">Hex<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"n\">id<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ Hex()\u3067MongoDB\u306eobjectId\u3092string\u306b\u5909\u63db\u3059\u308b<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"n\">user<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"s\">\"list\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewList<\/span><span class=\"p\">(<\/span><span class=\"n\">userType<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">Description<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Fetch users list\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Resolve<\/span><span class=\"o\">:<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ResolveParams<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"k\">interface<\/span><span class=\"p\">{},<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"n\">AllUsers<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span> <span class=\"c\">\/\/ AllUsers\u306fmonngoDB\u304b\u3089\u53d6\u3063\u3066\u304d\u305f\u5168\u3066User\u306e\u30c7\u30fc\u30bf<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">rootQuery<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ObjectConfig<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"RootQuery\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"n\">Fields<\/span><span class=\"o\">:<\/span> <span class=\"n\">fields<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">schemaConfig<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">SchemaConfig<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Query<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewObject<\/span><span class=\"p\">(<\/span><span class=\"n\">rootQuery<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">schema<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewSchema<\/span><span class=\"p\">(<\/span><span class=\"n\">schemaConfig<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u30b9\u30ad\u30fc\u30de<\/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\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to create new schema, error: %v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f5c\u4e3a\u4e00\u4e2a\u6982\u5ff5\uff0c<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728GraphQL\u4e2d\u5b9a\u4e49\u7c7b\u578b<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5b9a\u4e49\u5b57\u6bb5\uff08\u8bbe\u7f6e\u8fd4\u56de\u8bf7\u6c42\u6570\u636e\u65f6\u7684\u8bbe\u7f6e\u3002\u5728\u8fd9\u91cc\u5b9a\u4e49\u4e86&#8221;user&#8221;\u548c&#8221;list&#8221;\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5c06\u5176\u4f5c\u4e3aSchema\u914d\u7f6e\u6574\u7406\uff08\u5927\u7ea6\u5728ObjectConfig\u548cSchemaConfig\u4e2d\uff09\uff0c\u4f7f\u7528NewSchema\u521b\u5efa\u6a21\u5f0f<\/ol>\n<p>\u6bd4\u8f83\u7c97\u7565\u5730\u6982\u62ec\u4e00\u4e0b\uff0c\u5927\u81f4\u5c31\u662f\u8fd9\u4e2a\u6837\u5b50\u3002<\/p>\n<p>\u5173\u4e8e\u5b57\u6bb5\uff0c&#8221;user&#8221;\u7528\u4e8e\u83b7\u53d6\u7279\u5b9a\u7528\u6237\u7684\u8bf7\u6c42\uff0c&#8221;list&#8221;\u7528\u4e8e\u83b7\u53d6\u6240\u6709\u7528\u6237\u7684\u8bf7\u6c42\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u5728&#8221;\u7528\u6237&#8221;\u7684Resolve\u9009\u9879\u4e2d\uff0c\u6211\u4eec\u8fd4\u56de\u4e0e\u4f20\u9012\u7684\u8bf7\u6c42\u53c2\u6570&#8221;id&#8221;\u76f8\u5339\u914d\u7684user.Id\u7684\u6240\u6709\u8005\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">Resolve<\/span><span class=\"o\">:<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">param<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ResolveParams<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"k\">interface<\/span><span class=\"p\">{},<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">param<\/span><span class=\"o\">.<\/span><span class=\"n\">Args<\/span><span class=\"p\">[<\/span><span class=\"s\">\"id\"<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u30ea\u30af\u30a8\u30b9\u30c8\u3067\u6e21\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u5f15\u6570\u306e\"id\"<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"n\">ok<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">user<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">AllUsers<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ MongoDB\u304b\u3089\u5f15\u3063\u5f35\u3063\u3066\u6765\u308b\u5168\u3066\u306euser\u306e\u30c7\u30fc\u30bf<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">Id<\/span><span class=\"o\">.<\/span><span class=\"n\">Hex<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"n\">id<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u5f15\u6570\u306e\"id\"\u3068\u5408\u81f4\u3059\u308c\u3070\u901a\u308b<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">user<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n      <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n<span class=\"p\">},<\/span>\r\n<\/code><\/pre>\n<p>&#8220;list&#8221;\u3067\u306fAllUser\u5168\u3066\u3092return\u3057\u3066\u3044\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<br \/>\n\u307e\u305f\u3001&#8221;list&#8221;\u3067Type\u306e\u5b9a\u7fa9\u6642\u306bgraphql.NewList(userType)\u3068\u3057\u3066\u3044\u308b\u306e\u306f\u3001\u3053\u306e&#8221;list&#8221;\u304c\u914d\u5217\u3067\u3042\u308b\u305f\u3081\u3067\u3059\u3002<br \/>\n\u5358\u4f53\u3067\u3042\u308c\u3070&#8221;user&#8221;\u3068\u540c\u69d8\u306buserType\u306e\u307f\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u304c\u3001\u3042\u304f\u307e\u3067\u30ea\u30b9\u30c8\u306a\u306e\u3067\u3053\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u8bf7\u6c42<br \/>\n\u8bf7\u6c42\u662fGraphQL\u4e2d\u7684\u67e5\u8be2\u8868\u8fbe\u5f0f\uff08\u8bf7\u6ce8\u610f\uff0c\u8bf7\u6c42\u8fd9\u4e2a\u79f0\u547c\u5e76\u4e0d\u662f\u5b98\u65b9\u79f0\u547c\uff0c\u53ea\u662f\u6211\u5728\u8fd9\u91cc\u4f7f\u7528\u7684\u4e00\u4e2a\u4fbf\u4e8e\u89e3\u91ca\u7684\u8bcd\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">request<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">`\r\n  {\r\n    user(id: \"5c94f4d7e803694b2d09da75\") {\r\n      id\r\n      name\r\n      email\r\n      password\r\n    }\r\n  }\r\n`<\/span>\r\n<\/code><\/pre>\n<p>user\u306e\u5f8c\u306b()\u3067\u6307\u5b9a\u3057\u3066\u3044\u308b&#8221;id&#8221;\u3053\u305d\u3001\u5148\u307b\u3069\u30b9\u30ad\u30fc\u30de\u3067\u8aac\u660e\u3057\u305f\u300c\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u6e21\u3055\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u5f15\u6570\u300d\u305d\u306e\u3082\u306e\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u5f15\u6570\u304c\u3001\u5148\u307b\u3069\u306eResolve\u5185\u306e\u95a2\u6570\u306e\u4e2d\u3067\u51e6\u7406\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u4e0a\u8a18\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u306f\u3001id\u306b\u5408\u81f4\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(\u30ec\u30b3\u30fc\u30c9)\u306eid, name, email, password\u3092\u8fd4\u3057\u307e\u3059\u3002<br \/>\n\u306a\u306e\u3067\u3001name\u3060\u3051\u3092\u6307\u5b9a\u3057\u3066\u66f8\u304f\u3068\u3001\u3082\u3061\u308d\u3093\u8a72\u5f53\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306ename\u3060\u3051\u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u306f\u3001&#8221;user&#8221;\u306e\u60c5\u5831\uff08user1\u4eba\u306e\u60c5\u5831\uff09\u3057\u304b\u5f15\u304d\u51fa\u305b\u307e\u305b\u3093\u3002<br \/>\n\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5148\u307b\u3069\u30b9\u30ad\u30fc\u30de\u3067\u4f5c\u6210\u3057\u305f&#8221;list&#8221;\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">request<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">`\r\n  {\r\n    list {\r\n      id\r\n      name\r\n      email\r\n      password\r\n    }\r\n  }\r\n`<\/span>\r\n<\/code><\/pre>\n<p>\u3053\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u306b\u3088\u3063\u3066\u5168\u3066\u306e\u30e6\u30fc\u30b6\u30fc\u304c\u914d\u5217\u3067\u8fd4\u3063\u3066\u6765\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u90a3\u4e48\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u8fd9\u4e9b\u6a21\u5f0f\u548c\u8bf7\u6c42\u6765\u6267\u884cGraphQL\u3002<\/p>\n<h1>\u4f7f\u7528GraphQL\u6267\u884c\u3002\u6211\u4f1a\u56de\u5230\u5148\u524d\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">params<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Params<\/span><span class=\"p\">{<\/span>\r\n  <span class=\"n\">Schema<\/span><span class=\"o\">:<\/span> <span class=\"n\">schema<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u30b9\u30ad\u30fc\u30de<\/span>\r\n  <span class=\"n\">RequestString<\/span><span class=\"o\">:<\/span> <span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ \u30ea\u30af\u30a8\u30b9\u30c8<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">r<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Do<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ GraphQL\u306e\u5b9f\u884c<\/span>\r\n<span class=\"k\">if<\/span> <span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span> <span class=\"c\">\/\/ \u30a8\u30e9\u30fc\u304c\u3042\u308c\u3070<\/span>\r\n  <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to execute graphql operation, errors: %+v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"n\">rJSON<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">json<\/span><span class=\"o\">.<\/span><span class=\"n\">Marshal<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u69cb\u9020\u4f53\u3092JSON\u306b\u5909\u63db\u3057\u3066\u3001<\/span>\r\n<span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s <\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">rJSON<\/span><span class=\"p\">)<\/span> <span class=\"c\">\/\/ \u30d7\u30ea\u30f3\u30c8\u3059\u308b\u3002<\/span>\r\n<\/code><\/pre>\n<p>schema\u3092Schema\u306b\u3001request\u3092RequestString\u306b\u8a2d\u5b9a\u3057\u3066\u3001graphql.Do\u3067GraphQL\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<br \/>\n\u3059\u308b\u3068\u3001\u8fd4\u3063\u3066\u304d\u305f\u7d50\u679c\u304c\u69cb\u9020\u4f53\u3068\u3057\u3066\u5909\u6570\u306b\u683c\u7d0d\u3055\u308c\u308b\u306e\u3067\u3001\u3053\u3053\u3067\u306fjson\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u30d7\u30ea\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>go run main.go\r\n<span class=\"o\">{<\/span><span class=\"s2\">\"data\"<\/span>:<span class=\"o\">{<\/span><span class=\"s2\">\"user\"<\/span>:<span class=\"o\">{<\/span><span class=\"s2\">\"email\"<\/span>:<span class=\"s2\">\"ai@kizuna\"<\/span>,<span class=\"s2\">\"id\"<\/span>:<span class=\"s2\">\"ObjectIdHex(<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">5c94f4d7e803694b2d09da75<\/span><span class=\"se\">\\\"<\/span><span class=\"s2\">)\"<\/span>,<span class=\"s2\">\"name\"<\/span>:<span class=\"s2\">\"\u30ad\u30ba\u30ca\u30a2\u30a4\"<\/span>,<span class=\"s2\">\"password\"<\/span>:<span class=\"s2\">\"kizunAI\"<\/span><span class=\"o\">}}}<\/span> \r\n<\/code><\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067\u5e30\u3063\u3066\u6765\u308b\u3068\u601d\u3044\u307e\u3059(\u3053\u3053\u3067\u306f\u30af\u30a8\u30ea\u30fc\u306buser(id: &#8220;id_string&#8221;)\u3067\u6307\u5b9a\u3057\u3066\u4e00\u3064\u3060\u3051\u53d6\u3063\u3066\u304d\u3066\u3044\u307e\u3059\u3002list\u306a\u3089\u914d\u5217\u306b\u306a\u308a\u307e\u3059)\u3002<\/p>\n<h1>\u53d1\u5e03\u5e76\u4f7f\u7528GraphQL\u6709\u4e00\u4e2a\u4f18\u70b9\uff0c\u5c31\u662f\u4e0d\u9700\u8981\u50cfRESTfulAPI\u90a3\u6837\u51c6\u5907\u591a\u4e2a\u7aef\u70b9\u3002<\/p>\n<p>API\u3092\u4e00\u3064\u4f5c\u3063\u3066\u304a\u3044\u3066\u3001POST\u3057\u3066\u8981\u6c42\u3092\u6e21\u3059\u3088\u3046\u306b\u3059\u308c\u3070\u3001\u90fd\u5ea6\u305d\u306e\u3088\u3046\u304d\u3085\u3046\u306b\u5fdc\u3058\u305f\u7d50\u679c\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<br \/>\n\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u3092\u53d6\u3063\u3066\u6765\u308b\u306b\u3057\u3066\u3082\u3001GET:users\u3084\u3089GET:users\/:id\u3084\u3089\u3068\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u5206\u3051\u308b\u624b\u9593\u304c\u7701\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u55ef\uff0c\u5982\u679c\u6709\u5174\u8da3\u7684\u8bdd\uff0c\u6211\u6253\u7b97\u5199\u5230\u670d\u52a1\u5668\u67b6\u8bbe\u548c\u4f7f\u7528\u7684\u90e8\u5206\uff0c\u73b0\u5728\u5c31\u5148\u5199\u5230\u8fd9\u91cc\u5427\u3002<\/p>\n<h1>\u55ef\uff0c\u4f60\u53ea\u662f\u5728\u83b7\u53d6\u6570\u636e\u5427\uff1f\u5728\u8fd9\u91cc\u4ecb\u7ecd\u7684GraphQL\u7684\u4f7f\u7528\u65b9\u6cd5\u4e2d\uff0c\u53ea\u89e3\u91ca\u4e86\u5982\u4f55\u83b7\u53d6\u6570\u636e\u3002<br \/>\n\u4f46\u662f\uff0c\u9664\u4e86\u83b7\u53d6\u6570\u636e\u4e4b\u5916\uff0cGraphQL\u8fd8\u53ef\u4ee5\u8fdb\u884c\u63d2\u5165\uff08Insert\uff09\u548c\u66f4\u65b0\uff08Update\uff09\u7b49\u64cd\u4f5c\uff08\u5c3d\u7ba1\u5982\u524d\u6240\u8ff0\uff0cGraphQL\u5e76\u4e0d\u76f4\u63a5\u6267\u884c\u63d2\u5165\u7b49\u64cd\u4f5c\uff0c\u6240\u4ee5\u4e25\u683c\u6765\u8bf4\u8fd9\u79cd\u8868\u8ff0\u53ef\u80fd\u662f\u4e0d\u6b63\u786e\u7684\uff09\u3002\u800c\u4e14\uff0c\u8fd9\u4e00\u5207\u90fd\u53ef\u4ee5\u5728\u4e0d\u589e\u52a0\u7aef\u70b9\u7684\u60c5\u51b5\u4e0b\u5b9e\u73b0\u3002<\/p>\n<p>\u5173\u4e8e\u5982\u4f55\u5904\u7406\u8fd9\u4e2a\u95ee\u9898\uff0c\u8003\u8651\u5230\u9875\u9762\u8fc7\u4e8e\u5197\u957f\u53ef\u80fd\u5e76\u4e0d\u7406\u60f3\uff0c\u6211\u6253\u7b97\u53e6\u8bbe\u4e00\u4e2a\u9875\u9762\u3002\u4e00\u65e6\u5b8c\u6210\uff0c\u6211\u4f1a\u5728\u8fd9\u91cc\u63d0\u4f9b\u94fe\u63a5\uff0c\u4f60\u4e5f\u53ef\u4ee5\u53c2\u8003\u90a3\u4e2a\u9875\u9762\u3002<\/p>\n<p>\u8fd9\u5e76\u4e0d\u662f\u5f88\u957f\uff0c\u800c\u4e14\u4ee3\u7801\u7684\u5185\u5bb9\u53ef\u80fd\u6bd4\u6587\u5b57\u591a\u3002<\/p>\n<p>\u5728\u6b64\u9700\u8981\u89e3\u91ca\u4e00\u70b9\uff0c\u521a\u624d\u63d0\u5230\u7684\u201c\u8981\u6c42\u201d\u4e00\u8bcd\u5728\u8bf7\u6c42\u548c\u6a21\u5f0f\u4e2d\u5305\u542b\u4e86\u67e5\u8be2\u548c\u53d8\u66f4\u7684\u6982\u5ff5\u3002<\/p>\n<p>\u67e5\u8be2&#8230;\u6570\u636e\u83b7\u53d6\u8bf7\u6c42<br \/>\n\u53d8\u66f4&#8230;\u6570\u636e\u66f4\u65b0\u8bf7\u6c42<\/p>\n<p>\u5728GraphQL\u4e2d\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u5904\u7406\u7684\u5206\u914d\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\u6240\u63cf\u8ff0\u7684\u8bf7\u6c42\u9002\u7528\u4e8e\u8be5\u67e5\u8be2\uff0c\u5e76\u4e14\u5728\u6267\u884cInsert\u7b49\u64cd\u4f5c\u65f6\u9700\u8981\u4f7f\u7528\u8fd9\u4e2aMutation\u3002<\/p>\n<p>\u6211\u5199\u4e86\u4e00\u7bc7\u6709\u5173\u5b9e\u73b0\u53d8\u5f02\u7684\u6587\u7ae0\uff01<br \/>\n\u6211\u4f7f\u7528Go\u6765\u5b9e\u73b0GraphQL\u7684\u53d8\u5f02\u3002<\/p>\n<p>\u8bf7\u53c2\u8003\u4e0b\u9762\u7684\u5b98\u65b9\u9875\u9762\uff0c\u5176\u4e2d\u6709\u5173\u4e8e\u67e5\u8be2\u548c\u53d8\u66f4\u7684\u89e3\u91ca\u3002<\/p>\n<h1>\u6837\u672c\u4ee3\u7801<br \/>\n\u5728\u8fd9\u4e2a\u793a\u4f8b\u4ee3\u7801\u4e2d\u6ca1\u6709\u4f7f\u7528MongoDB\u3002<br \/>\n\u53ea\u9700\u590d\u5236\u7c98\u8d34\u5e76\u8fd0\u884c\uff0c\u5373\u53ef\u6267\u884cGraphQL\u3002<\/p>\n<p>\u7531\u4e8e\u5c06\u7528\u6237\u7684ID\u66f4\u6539\u4e3aint\u7c7b\u578b\uff0c\u5e76\u4e14\u5b57\u6bb5\u7684\u5b9a\u4e49\u4e5f\u7a0d\u6709\u4e0d\u540c\uff0c\u56e0\u6b64\u8bf7\u4e2d\u6b62\u64cd\u4f5c\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\">\"encoding\/json\"<\/span>\r\n  <span class=\"s\">\"fmt\"<\/span>\r\n  <span class=\"s\">\"log\"<\/span>\r\n  <span class=\"s\">\"github.com\/graphql-go\/graphql\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">User<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">Id<\/span> <span class=\"kt\">int<\/span>\r\n  <span class=\"n\">Name<\/span> <span class=\"kt\">string<\/span>\r\n  <span class=\"n\">Email<\/span> <span class=\"kt\">string<\/span>\r\n  <span class=\"n\">Password<\/span> <span class=\"kt\">string<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">var<\/span> <span class=\"n\">userType<\/span> <span class=\"o\">=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewObject<\/span><span class=\"p\">(<\/span>\r\n  <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ObjectConfig<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"User\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Fields<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Fields<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"s\">\"id\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Int<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"name\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"email\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"s\">\"password\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">String<\/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\r\n<span class=\"k\">func<\/span> <span class=\"n\">generateUsers<\/span><span class=\"p\">()<\/span> <span class=\"p\">[]<\/span><span class=\"n\">User<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"n\">user<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">User<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Id<\/span><span class=\"o\">:<\/span> <span class=\"m\">1<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"\u30ad\u30ba\u30ca\u30a2\u30a4\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Email<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"ai@kizuna\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Password<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"kizunAI\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"k\">var<\/span> <span class=\"n\">users<\/span> <span class=\"p\">[]<\/span><span class=\"n\">User<\/span>\r\n  <span class=\"n\">users<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">append<\/span><span class=\"p\">(<\/span><span class=\"n\">users<\/span><span class=\"p\">,<\/span> <span class=\"n\">user<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"n\">users<\/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=\"n\">users<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">generateUsers<\/span><span class=\"p\">()<\/span>\r\n\r\n  <span class=\"n\">fields<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Fields<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"s\">\"user\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">userType<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"n\">Description<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Fetch user by Id\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"n\">Args<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">FieldConfigArgument<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"s\">\"id\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ArgumentConfig<\/span><span class=\"p\">{<\/span>\r\n          <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Int<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">},<\/span>\r\n      <span class=\"p\">},<\/span>\r\n      <span class=\"n\">Resolve<\/span><span class=\"o\">:<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">param<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ResolveParams<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"k\">interface<\/span><span class=\"p\">{},<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">id<\/span><span class=\"p\">,<\/span> <span class=\"n\">ok<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">param<\/span><span class=\"o\">.<\/span><span class=\"n\">Args<\/span><span class=\"p\">[<\/span><span class=\"s\">\"id\"<\/span><span class=\"p\">]<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">ok<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">user<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">users<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"kt\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">user<\/span><span class=\"o\">.<\/span><span class=\"n\">Id<\/span><span class=\"p\">)<\/span> <span class=\"o\">==<\/span> <span class=\"n\">id<\/span> <span class=\"p\">{<\/span>\r\n              <span class=\"k\">return<\/span> <span class=\"n\">user<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n            <span class=\"p\">}<\/span>\r\n          <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"no\">nil<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n      <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"s\">\"list\"<\/span><span class=\"o\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Field<\/span><span class=\"p\">{<\/span>\r\n      <span class=\"n\">Type<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewList<\/span><span class=\"p\">(<\/span><span class=\"n\">userType<\/span><span class=\"p\">),<\/span>\r\n      <span class=\"n\">Description<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"Fetch users list\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"n\">Resolve<\/span><span class=\"o\">:<\/span> <span class=\"k\">func<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ResolveParams<\/span><span class=\"p\">)<\/span> <span class=\"p\">(<\/span><span class=\"k\">interface<\/span><span class=\"p\">{},<\/span> <span class=\"kt\">error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">users<\/span><span class=\"p\">,<\/span> <span class=\"no\">nil<\/span>\r\n      <span class=\"p\">},<\/span>\r\n    <span class=\"p\">},<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">rootQuery<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">ObjectConfig<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Name<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"RootQuery\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">Fields<\/span><span class=\"o\">:<\/span> <span class=\"n\">fields<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">schemaConfig<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">SchemaConfig<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Query<\/span><span class=\"o\">:<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewObject<\/span><span class=\"p\">(<\/span><span class=\"n\">rootQuery<\/span><span class=\"p\">),<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">schema<\/span><span class=\"p\">,<\/span> <span class=\"n\">err<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">NewSchema<\/span><span class=\"p\">(<\/span><span class=\"n\">schemaConfig<\/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\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to create new schema, error: %v\"<\/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\">request<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">`\r\n    {\r\n      user(id: 1) {\r\n        id\r\n        name\r\n        email\r\n        password\r\n      }\r\n    }\r\n  `<\/span>\r\n\r\n  <span class=\"n\">params<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Params<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"n\">Schema<\/span><span class=\"o\">:<\/span> <span class=\"n\">schema<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">RequestString<\/span><span class=\"o\">:<\/span> <span class=\"n\">request<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">r<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">graphql<\/span><span class=\"o\">.<\/span><span class=\"n\">Do<\/span><span class=\"p\">(<\/span><span class=\"n\">params<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">if<\/span> <span class=\"nb\">len<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span> <span class=\"o\">&gt;<\/span> <span class=\"m\">0<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"n\">Fatalf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"failed to execute graphql operation, errors: %+v\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">r<\/span><span class=\"o\">.<\/span><span class=\"n\">Errors<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"n\">rJSON<\/span><span class=\"p\">,<\/span> <span class=\"n\">_<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">json<\/span><span class=\"o\">.<\/span><span class=\"n\">Marshal<\/span><span class=\"p\">(<\/span><span class=\"n\">r<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"%s <\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">rJSON<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2aGo GraphQL\u521d\u5b66\u8005\u6559\u7a0b\u5f88\u6709\u53c2\u8003\u4ef7\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002\u7531\u4e8e\u5df2\u7ecf\u6709\u76f8\u5173\u6587\u7ae0\u4ecb\u7ecd\u4e86\uff0c\u60a8\u53ef\u4ee5\u53c2\u8003\u90a3\u4e9b\u5185\u5bb9\u3002 GraphQL\u5165\u95e8- \u4ee4\u4eba\u60f3\u4f7f\u7528 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-30058","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO 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