{"id":47639,"date":"2023-04-21T14:54:44","date_gmt":"2023-10-29T14:14:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%90%8e%e7%bb%ad%e7%9a%84elm\/"},"modified":"2024-04-30T00:34:22","modified_gmt":"2024-04-29T16:34:22","slug":"%e5%90%8e%e7%bb%ad%e7%9a%84elm","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%90%8e%e7%bb%ad%e7%9a%84elm\/","title":{"rendered":"\u540e\u7eed\u7684elm"},"content":{"rendered":"<p>\u8fd9\u662fNextremer Advent Calendar 2016\u7b2c18\u5929\u7684\u6587\u7ae0\u3002<\/p>\n<p>\u6211\u5728 Node.js Festival 2016 \u4e0a\u542c\u4e86 BarakChamo \u5148\u751f\u5173\u4e8e GraphQL \u7684\u6f14\u8bb2\uff0c\u5f15\u8d77\u4e86\u6211\u7684\u5174\u8da3\u3002<\/p>\n<h3>\u7cbe\u7075\u5b9d\u53ef\u68a6\u7684GraphQL<\/h3>\n<p>http:\/\/graph.pokeql.win\/ &#8211; \u53ef\u4ee5\u901a\u8fc7\u6b64\u94fe\u63a5\u8bbf\u95ee http:\/\/graph.pokeql.win\/ \u7f51\u7ad9\u3002<br \/>\nhttps:\/\/github.com\/BarakChamo\/PokeQL &#8211; \u53ef\u4ee5\u901a\u8fc7\u6b64\u94fe\u63a5\u8bbf\u95ee https:\/\/github.com\/BarakChamo\/PokeQL \u7684GitHub\u9875\u9762\u3002<\/p>\n<h2>GraphQL\u662f\u4e00\u79cd\u67e5\u8be2\u8bed\u8a00\u3002<\/h2>\n<p>\u4ece\u516c\u5f0f\u4e2d\u5f15\u7528<\/p>\n<blockquote><p>GraphQL\u662f\u7528\u4e8eAPI\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u5b83\u662f\u6267\u884c\u8fd9\u4e9b\u67e5\u8be2\u7684\u8fd0\u884c\u65f6\uff0c\u5229\u7528\u73b0\u6709\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u3002<br \/>\nGraphQL\u53ef\u4ee5\u5bf9API\u7684\u6570\u636e\u8fdb\u884c\u5b8c\u6574\u4e14\u53ef\u7406\u89e3\u7684\u63cf\u8ff0\uff0c\u8d4b\u4e88\u5ba2\u6237\u7aef\u8be2\u95ee\u4efb\u4f55\u6240\u9700\u5185\u5bb9\u7684\u80fd\u529b\uff0c\u5e76\u4f7f\u5f97API\u80fd\u591f\u8f7b\u677e\u8fdb\u5316\u968f\u65f6\u95f4\u63a8\u79fb\uff0c\u5e76\u5b9e\u73b0\u5f3a\u5927\u7684\u5f00\u53d1\u5de5\u5177\u3002<\/p><\/blockquote>\n<h3>\u4e3a\u4ec0\u4e48\u9009\u62e9\u4f7f\u7528GraphQL<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GraphQL\u30b9\u30ad\u30fc\u30de\u3092\u7528\u610f\u3059\u308b\u3060\u3051\u3067\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u7528\u610f\u3055\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>Swgger\u307b\u3069\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u304c\u30fb\u30fb\u30fb<\/p>\n<p>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089Query\u3092\u306a\u3052\u3066\u3001\u9ad8\u5ea6\u306a\u691c\u7d22\u306a\u3069\u304c\u3067\u304d\u308b\u3089\u3057\u3044\uff1f\u8ffd\u3063\u3066\u306a\u3044\u3002<br \/>\n(GraphQL\u306e\u5b9f\u614b\u306fPOST\/GET\u30ea\u30af\u30a8\u30b9\u30c8\u306bquery\u3084\u3001variable\u3068\u3044\u3046JSON\u6587\u5b57\u5217\u3092\u6e21\u3059\u3053\u3068\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b)<\/p>\n<h4>\u4f60\u597d\uff0c\u4e16\u754c (N\u01d0 ,<\/h4>\n<p>\u6682\u65f6\u5c1d\u8bd5\u4f7f\u7528Node.js\u548cExpress\u5b9e\u73b0\u7684Hello World\u3002<br \/>\n\u60a8\u53ef\u4ee5\u4ecehttp:\/\/graphql.org\/graphql-js\/running-an-express-graphql-server\/\u83b7\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">express<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">express<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">graphqlHTTP<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">express-graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">buildSchema<\/span> <span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ Construct a schema, using GraphQL schema language<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">schema<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">buildSchema<\/span><span class=\"p\">(<\/span><span class=\"s2\">`\r\n  type Query {\r\n    hello: String\r\n  }\r\n`<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"c1\">\/\/ The root provides a resolver function for each API endpoint<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">root<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">hello<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Hello world!<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">},<\/span>\r\n<span class=\"p\">};<\/span>\r\n\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">app<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">express<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">app<\/span><span class=\"p\">.<\/span><span class=\"nx\">use<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">graphqlHTTP<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">schema<\/span><span class=\"p\">:<\/span> <span class=\"nx\">schema<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">rootValue<\/span><span class=\"p\">:<\/span> <span class=\"nx\">root<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">graphiql<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}));<\/span>\r\n<span class=\"nx\">app<\/span><span class=\"p\">.<\/span><span class=\"nx\">listen<\/span><span class=\"p\">(<\/span><span class=\"mi\">4000<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Running a GraphQL API server at localhost:4000\/graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u9700\u4e00\u4e2a\u9009\u62e9\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u4e2d\u6587\u91ca\u4e49\uff1a<br \/>\n\u9700\u8981\u7406\u89e3\u7684\u662f\uff0c\u5f53\u8c03\u7528\u6a21\u5f0f\u7684hello\u65f6\uff0c\u5c06\u8c03\u7528\u6839\u76ee\u5f55\u4e0b\u7684hello\u3002\u8bf7\u67e5\u770b\u5b98\u65b9\u6587\u6863\u4ee5\u4e86\u89e3\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>\u53e6\u5916\u8865\u5145\u4e00\u70b9\uff0c\u8fd9\u79cd\u5199\u6cd5\u662f\u4f7f\u7528 GraphQL\u6a21\u5f0f \u6765\u7f16\u5199\u7684\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u4f7f\u7528GraphQL\u6a21\u5f0f\uff0c\u5219\u5199\u6cd5\u53ef\u80fd\u5982\u4e0b\u3002<br \/>\n\u53ef\u80fd\u5728GitHub\u6216\u5176\u4ed6\u5730\u65b9\u7ecf\u5e38\u89c1\u5230\u8fd9\u79cd\u5199\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">var<\/span> <span class=\"nx\">express<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">express<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">graphqlHTTP<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">express-graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<span class=\"kd\">var<\/span> <span class=\"p\">{<\/span> \r\n  <span class=\"nx\">GraphQLSchema<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nx\">GraphQLString<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"kd\">var<\/span> <span class=\"nx\">schema<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">GraphQLSchema<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">query<\/span><span class=\"p\">:<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">GraphQLObjectType<\/span><span class=\"p\">({<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Query<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">fields<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"na\">hello<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"nx\">GraphQLString<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"na\">resolve<\/span><span class=\"p\">:<\/span> <span class=\"kd\">function<\/span><span class=\"p\">(<\/span><span class=\"nx\">source<\/span><span class=\"p\">,<\/span> <span class=\"nx\">args<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"k\">return<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">Hello world!<\/span><span class=\"dl\">'<\/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=\"kd\">var<\/span> <span class=\"nx\">app<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">express<\/span><span class=\"p\">();<\/span>\r\n<span class=\"nx\">app<\/span><span class=\"p\">.<\/span><span class=\"nx\">use<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\/graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"nx\">graphqlHTTP<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">schema<\/span><span class=\"p\">:<\/span> <span class=\"nx\">schema<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">graphiql<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}));<\/span>\r\n<span class=\"nx\">app<\/span><span class=\"p\">.<\/span><span class=\"nx\">listen<\/span><span class=\"p\">(<\/span><span class=\"mi\">4000<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">Running a GraphQL API server at localhost:4000\/graphql<\/span><span class=\"dl\">'<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-07 12.45.01.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ff3913a08637a6a82bd\/16-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-07 12.45.01.png\" \/><\/div>\n<p>\u4ee5\u524d\u7684GraphQL\u6a21\u5f0f\u4e2d\u5b58\u5728\u4e0d\u652f\u6301\u7684\u90e8\u5206\uff08\u4f8b\u5982\u63cf\u8ff0\u7b49\uff09\uff0c\u4f46\u6700\u8fd1\u4f3c\u4e4e\u5df2\u7ecf\u5f97\u5230\u4e86\u652f\u6301\u3002\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u63cf\u8ff0\u7684\u7f16\u5199\u65b9\u5f0f\u662f<\/p>\n<pre class=\"post-pre\"><code># Query description here\r\ntype Query {\r\n  # hello endpoint description here\r\n  hello: String\r\n}\r\n<\/code><\/pre>\n<p>\u662f\u7684\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528GraphQL\u6a21\u5f0f\u8fdb\u884c\u5b9e\u73b0\u3002<\/p>\n<h2>\u7528GraphQL\u8fdb\u884cCRUD\u64cd\u4f5c<\/h2>\n<p>\u5982\u679c\u60f3\u8981\u5c1d\u8bd5\u7684\u8bdd\uff0c\u8bf7\u4f7f\u7528make start\u8fd0\u884c\u6211\u4eec\u672c\u6b21\u5b9e\u73b0\u7684\u6e90\u4ee3\u7801\u3002\u5f53\u60a8\u786e\u8ba4\u542f\u52a8\u540e\uff0c\u5e94\u8be5\u53ef\u4ee5\u8bbf\u95ee\u4ee5\u4e0b\u7684GraphiQL\u3002<\/p>\n<h3>\u6211\u7684\u5f00\u53d1\u73af\u5883<\/h3>\n<ul class=\"post-ul\">Macbook pro<\/ul>\n<h4>Docker Compose: Docker\u7ec4\u5408<\/h4>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">node.js (v6.5.0)\/ express + express-graphql + sequelize \/ babel (ES2015)<\/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\">MySQL<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">elm &#8230; orz(\u5f8c\u8ff0)<\/ul>\n<h2>\u521b\u5efa\u7528\u6237\u6a21\u5f0f<\/h2>\n<p>\u5047\u8bbe\u5728Sequelize\u4e2d\u6709\u8fd9\u6837\u4e00\u4e2a\u6a21\u578b\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">sequelize<\/span><span class=\"p\">.<\/span><span class=\"nx\">define<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">user<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">id<\/span>  <span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"nx\">dataType<\/span><span class=\"p\">.<\/span><span class=\"nx\">BIGINT<\/span><span class=\"p\">(<\/span><span class=\"mi\">11<\/span><span class=\"p\">),<\/span> <span class=\"na\">primaryKey<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span> <span class=\"na\">autoIncrement<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"na\">name<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"nx\">dataType<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">},<\/span>\r\n    <span class=\"na\">email<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"na\">type<\/span><span class=\"p\">:<\/span> <span class=\"nx\">dataType<\/span><span class=\"p\">.<\/span><span class=\"nx\">STRING<\/span><span class=\"p\">},<\/span>\r\n  <span class=\"p\">},{<\/span>\r\n    <span class=\"na\">underscored<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">charset<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">utf8<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">timestamps<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">paranoid<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>\u9996\u5148\uff0c\u6211\u4eec\u7528GraphQL\u6a21\u5f0f\u64b0\u5199\u8fd9\u4e2a\u6a21\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code>type User {\r\n  id: Int!\r\n  name: String!\r\n  email: String!\r\n}\r\n<\/code><\/pre>\n<h3>\u7528\u6237\u83b7\u53d6<\/h3>\n<p>\u6211\u5c06\u6dfb\u52a0\u4e00\u4e2a\u6839\u636eid\u83b7\u53d6\u7528\u6237\u7684\u67e5\u8be2\u3002<\/p>\n<pre class=\"post-pre\"><code>type Query {\r\n  user(id: Int) : User\r\n}\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u6dfb\u52a0\u4e00\u4e2a\u901a\u8fc7ID\u83b7\u53d6\u7528\u6237\u7684\u5904\u7406\u3002<\/p>\n<pre class=\"post-pre\"><code>const rootValue = {\r\n  user: ({id}) =&gt; {\r\n    return models.User.findOne({where:{id: id}});\r\n  }\r\n};\r\n<\/code><\/pre>\n<p>\u6211\u5011\u73fe\u5728\u53ef\u4ee5\u901a\u904e\u9019\u6a23\u4f86\u9054\u5230\u53d6\u5f97\uff0c\u4f46\u7531\u65bc\u7f3a\u5c11\u6578\u64da\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u7528\u65bc\u5275\u5efa\u7528\u6236\u7684mutation\u3002<\/p>\n<h2>\u7a81\u53d8<\/h2>\n<p>\u7a81\u53d8\u662f\u7528\u4e8e\u521b\u5efa\u548c\u66f4\u65b0\u6570\u636e\u7684\u5de5\u5177\u3002<\/p>\n<h3>\u6dfb\u52a0\u521b\u5efa\u7528\u6237\u7684 Mutation<\/h3>\n<pre class=\"post-pre\"><code>input UserData {\r\n  name: String!\r\n  email: String!\r\n}\r\ntype Mutation {\r\n  createUser(data: UserData) : User\r\n}\r\n<\/code><\/pre>\n<p>\u6211\u5011\u5728\u5275\u5efa\u6642\u6dfb\u52a0\u4e86\u7528\u65bc\u5275\u5efaUserData\u7684\u529f\u80fd\u3002createUser\u51fd\u6578\u63a5\u6536UserData\u4f5c\u70ba\u8f38\u5165\uff0c\u5275\u5efaUser\u5f8c\u8fd4\u56de\u8a72User\u3002<\/p>\n<p>\u5c06\u521b\u5efa\u7684\u5904\u7406\u6dfb\u52a0\u5230rootValue\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">rootValue<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"na\">user<\/span><span class=\"p\">:<\/span> <span class=\"p\">({<\/span><span class=\"nx\">id<\/span><span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">User<\/span><span class=\"p\">.<\/span><span class=\"nx\">findOne<\/span><span class=\"p\">({<\/span><span class=\"na\">where<\/span><span class=\"p\">:{<\/span><span class=\"nx\">id<\/span><span class=\"p\">}});<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"na\">createUser<\/span><span class=\"p\">:<\/span> <span class=\"p\">({<\/span><span class=\"nx\">data<\/span><span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">User<\/span><span class=\"p\">.<\/span><span class=\"nx\">create<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<h3>\u6211\u8bd5\u7740\u786e\u8ba4\u4e00\u4e0b<\/h3>\n<p>\u6211\u5c06\u5728 http:\/\/localhost:3000\/graphql \u8fdb\u884c\u786e\u8ba4\u3002<br \/>\n\u8bf7\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u8f93\u5165\u3002<\/p>\n<h4>\u4e0a\u65b9\u5de6\u4fa7\u7684\u67e5\u8be2<\/h4>\n<pre class=\"post-pre\"><code>mutation ($data: UserData){\r\n  createUser(data: $data) {\r\n    id\r\n    name\r\n    email\r\n  }\r\n}\r\n<\/code><\/pre>\n<h4>\u5de6\u4e0b\u65b9\u7684\u67e5\u8be2\u53d8\u91cf<\/h4>\n<pre class=\"post-pre\"><code>{\r\n  \"data\": {\r\n    \"name\": \"test\",\r\n    \"email\": \"test@example.com\"\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u5f53\u6211\u5c1d\u8bd5\u8fd0\u884c\u65f6\uff0c\u6211\u8ba4\u4e3a\u4f1a\u8fd4\u56de\u8fd9\u6837\u7684\u6570\u636e\u3002<\/p>\n<pre class=\"post-pre\"><code>{\r\n  \"data\": {\r\n    \"createUser\": {\r\n      \"id\": 1,\r\n      \"name\": \"test\",\r\n      \"email\": \"test@example.com\"\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-07 15.28.34.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ff3913a08637a6a82bd\/54-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-07 15.28.34.png\" \/><\/div>\n<p>\u66f4\u65b0\/\u5220\u9664\u5c31\u662f\u8fd9\u79cd\u611f\u89c9\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nx\">updateUser<\/span><span class=\"p\">:<\/span> <span class=\"p\">({<\/span><span class=\"nx\">id<\/span><span class=\"p\">,<\/span> <span class=\"nx\">data<\/span><span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">models<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"nx\">User<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"nx\">findOne<\/span><span class=\"p\">({<\/span><span class=\"na\">where<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"nx\">id<\/span><span class=\"p\">}})<\/span>\r\n      <span class=\"p\">.<\/span><span class=\"nx\">then<\/span><span class=\"p\">((<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">user<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"k\">return<\/span> <span class=\"nx\">user<\/span><span class=\"p\">.<\/span><span class=\"nx\">update<\/span><span class=\"p\">(<\/span><span class=\"nx\">data<\/span><span class=\"p\">).<\/span><span class=\"nx\">then<\/span><span class=\"p\">((<\/span><span class=\"nx\">updated<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">updated<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n          <span class=\"k\">return<\/span> <span class=\"kc\">null<\/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=\"nx\">deleteUser<\/span><span class=\"p\">:<\/span> <span class=\"p\">({<\/span><span class=\"nx\">id<\/span><span class=\"p\">})<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"nx\">models<\/span><span class=\"p\">.<\/span><span class=\"nx\">User<\/span><span class=\"p\">.<\/span><span class=\"nx\">destroy<\/span><span class=\"p\">({<\/span><span class=\"na\">where<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span><span class=\"nx\">id<\/span><span class=\"p\">}});<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-17 13.29.10.png\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ff3913a08637a6a82bd\/57-0.png\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-12-17 13.29.10.png\" \/><\/div>\n<p>\u76ee\u524d\u4e3a\u6b62\uff0c\u6211\u5df2\u7ecf\u7528GraphQL\u521b\u5efa\u4e86CRUD\u673a\u5236\u3002<\/p>\n<p>\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u5982\u679c\u4e0d\u4f7f\u7528GraphQL\u67b6\u6784\uff0c\u5199\u6cd5\u4f1a\u53d8\u6210\u8fd9\u6837\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u3002<\/p>\n<h3>\u8865\u5145\u8bb0\u5f55<\/h3>\n<p>\u6211\u672c\u6765\u60f3\u7528Elm\u521b\u5efa\u4e00\u4e2a\u524d\u7aef\u754c\u9762\u6765\u64cd\u4f5c\u7528\u6237\uff0c\u4f46\u662f\u65f6\u95f4\u4e0d\u591f\u2026\u2026orz<\/p>\n<p>\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u62e9\uff0c\u8bf7\u7528\u4e2d\u6587\u8f6c\u8ff0\u4ee5\u4e0b\u5185\u5bb9\uff1a<br \/>\n\u7a0d\u5fae\u4ecb\u7ecd\u4e00\u4e0bElm&#8230;<br \/>\nElm\u662f\u4e00\u79cdAltJS\uff0c\u5b83\u662f\u57fa\u4e8eHaskell\u7684\u9759\u6001\u7c7b\u578b\u51fd\u6570\u5f0f\u7f16\u7a0b\u8bed\u8a00\u3002<br \/>\n\u636e\u8bf4Elm\u7684HTML\u6e32\u67d3\u5f15\u64ce\u8981\u6bd4React\u548cAngular\u5feb\u3002<br \/>\nhttp:\/\/elm-lang.org\/blog\/blazing-fast-html-round-two<\/p>\n<p>\u5b9e\u9645\u4e0a\u6211\u53ea\u51c6\u5907\u597d\u4e86\u73af\u5883\u3002<\/p>\n<p>\u4e00\u65e6\u5f00\u59cb\u5e76\u4f7f\u7528&#8221;make logs&#8221;\u68c0\u67e5\u542f\u52a8\uff0c\u6211\u8ba4\u4e3a\u60a8\u5c06\u80fd\u591f\u8bbf\u95ee\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n<p>\u7531\u4e8eelm\u6b63\u5728\u8fd0\u884cwebpack-dev-server\uff0c\u56e0\u6b64\u53ef\u4ee5\u8fdb\u884c\u70ed\u90e8\u7f72\u3002<br \/>\n\u6b64\u5916\uff0c\u751f\u6210\u7684elm-make\u7684\u6210\u679c\u7269\u5c06\u5b58\u653e\u5728\/server\/public\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7http:\/\/localhost:3000\u67e5\u770belm\u3002<br \/>\n\u73b0\u5728\u6709elm\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u4f46\u8fd8\u6709\u5f88\u591a\u5de5\u4f5c\u8981\u5b8c\u6210\u3002<\/p>\n<h2>\u8bf7\u63d0\u4f9b\u4ee5\u4e0b\u5185\u5bb9\u7684\u4e2d\u6587\u672c\u5730\u5316\u91ca\u4e49\uff1a<\/h2>\n<p>\u53c2\u8003<\/p>\n<p>https:\/\/learngraphql.com\/ &#8211; \u5b66\u4e60GraphQL\u7684\u7f51\u7ad9\u3002<br \/>\nhttp:\/\/qiita.com\/Jxck_\/items\/545e67c556e815620692 &#8211; Jxck\u7684Qiita\u9875\u9762\u4e0a\u7684\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662fNextremer Advent Calendar 2016\u7b2c18\u5929\u7684\u6587\u7ae0\u3002 \u6211\u5728 Node.js Fes [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47639","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>\u540e\u7eed\u7684elm - 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\/\u540e\u7eed\u7684elm\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u540e\u7eed\u7684elm\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u662fNextremer Advent Calendar 2016\u7b2c18\u5929\u7684\u6587\u7ae0\u3002 \u6211\u5728 Node.js Fes [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u540e\u7eed\u7684elm\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-29T14:14:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T16:34:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d7ff3913a08637a6a82bd\/16-0.png\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \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\/%e5%90%8e%e7%bb%ad%e7%9a%84elm\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e5%90%8e%e7%bb%ad%e7%9a%84elm\/\",\"name\":\"\u540e\u7eed\u7684elm - Blog - Silicon 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