{"id":47970,"date":"2023-02-21T14:58:28","date_gmt":"2023-05-03T12:46:45","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%ba%e5%8a%a8%e6%bc%ab%e5%ae%85%e4%bb%ac%e8%ae%be%e8%ae%a1%e7%9a%84graphql\/"},"modified":"2024-04-29T15:37:01","modified_gmt":"2024-04-29T07:37:01","slug":"%e4%b8%ba%e5%8a%a8%e6%bc%ab%e5%ae%85%e4%bb%ac%e8%ae%be%e8%ae%a1%e7%9a%84graphql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%ba%e5%8a%a8%e6%bc%ab%e5%ae%85%e4%bb%ac%e8%ae%be%e8%ae%a1%e7%9a%84graphql\/","title":{"rendered":"\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684GraphQL"},"content":{"rendered":"
\"graphql-basic01.jpg\"<\/div>\n

\u6211\u597d\uff0c\u6211\u662f\u6dbc\u5bae\u30cf\u30eb\u30d2\u51fa\u751f\u3001\u3051\u3044\u304a\u3093\u6210\u9577\u7684Fantasista\u2606\u307f\u3086\u304d\u3002<\/p>\n

\u5404\u4f4d\uff0c\u4f60\u4eec\u662f\u5426\u4f7f\u7528\u8fc7GraphQL\uff1f
\n\u5982\u679c\u53ea\u6709\u5b9e\u73b0\u8fc7REST API\u7684\u4eba\uff0c\u6211\u5efa\u8bae\u4f60\u4eec\u501f\u6b64\u673a\u4f1a\u5c1d\u8bd5\u4e00\u4e0b\u5b9e\u73b0GraphQL\u3002<\/p>\n

\u5728\u8fd9\u7bc7\u7a3f\u4ef6\u4e2d\uff0c\u6211\u60f3\u8981\u5c1d\u8bd5\u4f7f\u7528GraphQL\u5411\u540d\u4e3aAnnict\u7684\u52a8\u6f2b\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u53d1\u9001\u67e5\u8be2\uff0c\u5e76\u5728\u672c\u5730\u642d\u5efaApollo Server\u6765\u5b9e\u73b0GraphQL\u3002<\/p>\n

\u5148\u8bd5\u8bd5\u6253\u4e00\u4e0b<\/h2>\n

\u542c\u767e\u6b21\u4e0d\u5982\u4eb2\u773c\u89c1\u4e00\u6b21\u3002\u6211\u4eec\u5148\u8bd5\u8bd5\u5b9e\u9645\u4f7f\u7528GraphQL\u3002<\/p>\n

\u8ba9\u6211\u4eec\u6839\u636e\u6b64\u53c2\u8003\u94fe\u63a5\u6765\u751f\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u4e2a\u4eba\u4ee4\u724c\uff0c\u4ee5\u4fbf\u8bbf\u95eeAnnict\u7684\u7ec8\u7aef\u8282\u70b9\u3002<\/p>\n

\u4e00\u65e6\u6210\u529f\u53d1\u884c\u4e86\u4ee4\u724c\u540e\uff0c\u9996\u5148\u53ef\u4ee5\u5c1d\u8bd5\u4ece\u7ec8\u7aef\u4f7f\u7528curl\u67e5\u8be2\u3002
\n\u8bf7\u5c06ACCESS_TOKEN\u66ff\u6362\u4e3a\u60a8\u81ea\u5df1\u7684\u4ee4\u724c\u3002<\/p>\n

$ curl https:\/\/api.annict.com\/graphql \\\r\n-H \"Authorization: bearer ACCESS_TOKEN\" \\\r\n-X POST \\\r\n-d \"query=query { viewer { name } }\"\r\n<\/code><\/pre>\n
\u5982\u679c\u8fd4\u56de\u7684\u662f\u4ee5\u4e0b\u7684JSON\u6570\u636e\uff0c\u90a3\u5c31\u6ca1\u95ee\u9898\u4e86\uff01<\/p>\n
{\"data\":{\"viewer\":{\"name\":\"USER_NAME\"}}}\r\n<\/code><\/pre>\n
\u4e0b\u4e00\u6b65\uff0c\u8ba9\u6211\u4eec\u5728GUI\u5ba2\u6237\u7aef\u53d1\u9001\u67e5\u8be2\u3002
\nGraphQL\u5b98\u65b9\u63a8\u8350\u4f7f\u7528GraphiQL\u6216Insomnia\uff0c\u4f46\u6211\u5c06\u4f7f\u7528Chrome\u62d3\u5c55\u7a0b\u5e8fAltair\u3002<\/p>\n
\u9996\u5148\uff0c\u5c06\u65b9\u6cd5\u8bbe\u7f6e\u4e3aPOST\uff0cURL\u8f93\u5165\u4e3ahttps:\/\/api.annict.com\/graphql\uff0c\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n
\"graphql-basic02.png\"<\/div>\n
\u7136\u540e\uff0c\u5728\u6807\u9898\u4e2d\u8f93\u5165\u8eab\u4efd\u9a8c\u8bc1\u4fe1\u606f\u3002
\n\u5c3d\u7ba1GUI\u5ba2\u6237\u7aef\u7684\u7528\u6237\u754c\u9762\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u5728Altair\u4e2d\u53ef\u4ee5\u4ece\u5de6\u4fa7\u7a97\u683c\u8fdb\u884c\u8bbe\u7f6e\u3002
\n\u4f5c\u4e3a\u6388\u6743\uff0c\u5c06Bearer\u548c\u4e4b\u524d\u7684\u4e2a\u4eba\u8bbf\u95ee\u4ee4\u724c\u8f93\u5165\u8ba4\u8bc1\u4fe1\u606f\u4e2d\u3002<\/p>\n
\"graphql-basic03.png\"<\/div>\n
\"graphql-basic04.png\"<\/div>\n
\u90a3\u4e48\uff0c\u6211\u4eec\u5c06\u5728\u67e5\u8be2\u754c\u9762\u4e0a\u91cd\u65b0\u53d1\u9001\u521a\u624d\u7684\u67e5\u8be2\u3002<\/p>\n
# request\r\n\r\nquery {\r\n viewer {\r\n    username,\r\n    name,\r\n  }\r\n}\r\n<\/code><\/pre>\n
# response\r\n\r\n{\r\n  \"data\": {\r\n    \"viewer\": {\r\n      \"username\": \"USER_NAME\",\r\n      \"name\": \"NAME\"\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u5982\u679c\u6709\u9019\u6a23\u7684\u56de\u7b54\uff0c\u90a3\u5c31\u53ef\u4ee5\u4e86\uff01<\/p>\n
\u6b64\u5916\uff0c\u5728Annict\u4e2d\u53ef\u4ee5\u83b7\u53d6\u5230\u52a8\u753b\u4f5c\u54c1\u7684\u76f8\u5173\u4fe1\u606f\u3002\u53ef\u4ee5\u901a\u8fc7\u53c2\u8003\u8d44\u6599\u6765\u786e\u8ba4\u53ef\u4ee5\u83b7\u53d6\u5230\u7684\u5185\u5bb9\u3002<\/p>\n
\u8ba9\u6211\u4eec\u83b7\u53d6\u6700\u65b0\u76842021\u5e74\u79cb\u5b63\u52a8\u6f2b\u4f5c\u54c1\u4fe1\u606f\u5427\u3002<\/p>\n
# request\r\n\r\nquery {\r\n  searchWorks(seasons: [\"2021-autumn\"], orderBy: { field: WATCHERS_COUNT, direction: DESC }, first: 5) {\r\n    edges {\r\n      node {\r\n        annictId\r\n        title\r\n        watchersCount\r\n      }\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
# response\r\n\r\n{\r\n  \"data\": {\r\n    \"searchWorks\": {\r\n      \"edges\": [\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 8200,\r\n            \"title\": \"\u7121\u8077\u8ee2\u751f \uff5e\u7570\u4e16\u754c\u884c\u3063\u305f\u3089\u672c\u6c17\u3060\u3059\uff5e  \u7b2c2\u90e8\",\r\n            \"watchersCount\": 815\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7969,\r\n            \"title\": \"\u9b3c\u6ec5\u306e\u5203 \u904a\u90ed\u7de8\",\r\n            \"watchersCount\": 805\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7669,\r\n            \"title\": \"\u5287\u5834\u7248 \u30bd\u30fc\u30c9\u30a2\u30fc\u30c8\u30fb\u30aa\u30f3\u30e9\u30a4\u30f3 \u30d7\u30ed\u30b0\u30ec\u30c3\u30b7\u30d6 \u661f\u306a\u304d\u591c\u306e\u30a2\u30ea\u30a2\",\r\n            \"watchersCount\": 537\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7917,\r\n            \"title\": \"\u30d6\u30eb\u30fc\u30d4\u30ea\u30aa\u30c9\",\r\n            \"watchersCount\": 508\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 8181,\r\n            \"title\": \"\u5287\u5834\u7248 \u546a\u8853\u5efb\u6226 0\",\r\n            \"watchersCount\": 507\r\n          }\r\n        }\r\n      ]\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u76ee\u524d\u6765\u770b\uff0c\u5728Annict\u4e0a\uff0c\u300a\u65e0\u4e1a\u8f6c\u751f\u300b\u53d7\u5230\u4e86\u5f88\u9ad8\u7684\u671f\u5f85\u3002
\n\u6d1b\u57fa\u53ef\u7231\u5440\uff0c\u6d1b\u57fa\u3002\u554a\uff0c\u771f\u60f3\u8981\u4e00\u4e2a\u795e\u50cf\u3002<\/p>\n
\"graphql-basic05.png\"<\/div>\n
\u9019\u88e1\u7a0d\u5fae\u63d0\u53ca\u4e00\u4e0bquery\u7684\u5167\u5bb9\u3002\u57fa\u672c\u4e0a\uff0c\u6211\u5011\u5c07\u4ee5\u5de2\u72c0\u65b9\u5f0f\u8655\u7406\u7269\u4ef6\u3002\u9996\u5148\uff0c\u6211\u5011\u53ea\u8f38\u5165\u4e86query\u3002\u5728GraphQL\u4e2d\uff0c\u6709\u5169\u500b\u53ef\u7528\u7684\u6307\u4ee4\uff0c\u5206\u5225\u662fquery\u548cmutation\uff0cquery\u4f7f\u7528GET\u65b9\u6cd5\uff0cmutation\u4f7f\u7528POST\u65b9\u6cd5\u9032\u884c\u64cd\u4f5c\u3002\u7531\u65bc\u6211\u5011\u60f3\u8981\u7372\u53d6\u52d5\u756b\u8cc7\u8a0a\uff0c\u6240\u4ee5\u6211\u5011\u4f7f\u7528\u4e86query\u4f86\u63cf\u8ff0\u3002<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u901a\u8fc7searchWorks\u51fd\u6570\u6765\u8bbe\u7f6e\u83b7\u53d6\u4f5c\u54c1\u7684\u53c2\u6570\u3002\u60a8\u8f93\u5165\u4e86\u5b63\u8282\u548c\u641c\u7d22\u6761\u4ef6\u3002\u672c\u6b21\u6211\u4eec\u9009\u62e92021\u5e74\u79cb\u5b63\uff0c\u6309\u7167\u89c2\u770b\u6ce8\u518c\u91cf\u4ece\u9ad8\u5230\u4f4e\u83b7\u53d6\u4e865\u4e2a\u4f5c\u54c1\u3002<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u63cf\u8ff0\u4e86\u5728edges\u4e4b\u540e\u83b7\u53d6\u7684\u8282\u70b9\u5b57\u6bb5\u3002
\n\u8fd9\u6b21\u6211\u4eec\u8fd4\u56de\u4e86\u52a8\u753bID\u3001\u6807\u9898\u548c\u89c2\u770b\u6ce8\u518c\u6570\u91cf\u3002<\/p>\n
\u90a3\u4e48\u6211\u4eec\u8d81\u7740\u8fd9\u4e2a\u673a\u4f1a\u6765\u83b7\u53d6\u4e00\u4e0b2021\u5e74\u590f\u5b63\u52a8\u753b\u7684\u7ed3\u679c\u5427\u3002<\/p>\n
# request\r\n\r\nquery {\r\n  searchWorks(seasons: [\"2021-summer\"], orderBy: { field: WATCHERS_COUNT, direction: DESC }, first: 5) {\r\n    edges {\r\n      node {\r\n        annictId\r\n        title\r\n        watchersCount\r\n      }\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
# response\r\n\r\n{\r\n  \"data\": {\r\n    \"searchWorks\": {\r\n      \"edges\": [\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 6492,\r\n            \"title\": \"\u5c0f\u6797\u3055\u3093\u3061\u306e\u30e1\u30a4\u30c9\u30e9\u30b4\u30f3S\",\r\n            \"watchersCount\": 2014\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7411,\r\n            \"title\": \"\u8ee2\u751f\u3057\u305f\u3089\u30b9\u30e9\u30a4\u30e0\u3060\u3063\u305f\u4ef6 \u7b2c2\u671f \u7b2c2\u90e8\",\r\n            \"watchersCount\": 1472\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7922,\r\n            \"title\": \"\u767d\u3044\u7802\u306e\u30a2\u30af\u30a2\u30c8\u30fc\u30d7\",\r\n            \"watchersCount\": 1453\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7547,\r\n            \"title\": \"\u4e59\u5973\u30b2\u30fc\u30e0\u306e\u7834\u6ec5\u30d5\u30e9\u30b0\u3057\u304b\u306a\u3044\u60aa\u5f79\u4ee4\u5b22\u306b\u8ee2\u751f\u3057\u3066\u3057\u307e\u3063\u305f\u2026X\",\r\n            \"watchersCount\": 1277\r\n          }\r\n        },\r\n        {\r\n          \"node\": {\r\n            \"annictId\": 7973,\r\n            \"title\": \"\u63a2\u5075\u306f\u3082\u3046\u3001\u6b7b\u3093\u3067\u3044\u308b\u3002\",\r\n            \"watchersCount\": 1196\r\n          }\r\n        }\r\n      ]\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u4eac\u90fd\u52a8\u6f2b\u7684\u300a\u5de5\u4f5c\u7ec6\u80deBLACK\u300b\u548c\u300a\u5173\u4e8e\u6211\u8f6c\u751f\u53d8\u6210\u53f2\u83b1\u59c6\u8fd9\u6863\u4e8b\u300b\u7684\u7b2c\u4e8c\u5b63\uff0c\u4ee5\u53caP.A.WORKS\u7684\u300a\u6c34\u65cf\u9986\u300b\u90fd\u975e\u5e38\u53d7\u6b22\u8fce\u5462\u3002
\n\u987a\u4fbf\u8bf4\u4e00\u4e0b\uff0c\u6211\u6700\u559c\u6b22\u7684\u662f\u300a\u4fa6\u63a2\u5df2\u7ecf\u6b7b\u4e86\u300b\u3002<\/p>\n
\u53ea\u6709\u94f6\u53d1\u5973\u4e3b\u624d\u80fd\u80dc\u51fa\u3002<\/p>\n
\"graphql-basic06.png\"<\/div>\n
\u5b9e\u65bd\u90e8\u5206<\/h2>\n
\u6211\u60f3\u5f00\u59cb\u5b9e\u73b0\u4e00\u4e2a\u771f\u6b63\u7684GraphQL\u670d\u52a1\u5668\u3002<\/p>\n
\u73af\u5883<\/h3>\n
    \n
  • \n
      \u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u8a00\u8a9e: node v12.19.0<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        GraphQL\u30b5\u30fc\u30d0: Apollo server<\/ul>\n
        \u6211\u5011\u5c07\u7acb\u5373\u5728\u6240\u9078\u7684\u8def\u5f91\u4e2d\u5275\u5efa\u9805\u76ee\u76ee\u9304\u3002<\/p>\n
        mkdir graphql-server\r\n<\/code><\/pre>\n
        npm init\r\n<\/code><\/pre>\n
        \u5b89\u88c5\u6a21\u5757\u3002<\/p>\n
        npm install express apollo-server-express graphql --save\r\n<\/code><\/pre>\n
        \u56e0\u4e3a\u4f7f\u7528ES6\u7684\u8bed\u6cd5\u8fdb\u884c\u7f16\u5199\uff0c\u6240\u4ee5\u9700\u8981\u5b89\u88c5babel\u3002<\/p>\n
        npm install @babel\/core @babel\/node @babel\/preset-env --save-dev\r\n<\/code><\/pre>\n
        \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a.babelrc\u7684babel\u914d\u7f6e\u6587\u4ef6\uff0c\u5e76\u6309\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0\u3002<\/p>\n
        {\r\n  \"presets\": [\r\n    \"@babel\/preset-env\"\r\n  ]\r\n}\r\n<\/code><\/pre>\n
        \u5728\u9879\u76ee\u7684\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a”src”\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5728\u5176\u4e2d\u7684index.js\u6587\u4ef6\u4e2d\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u7f16\u5199\u3002<\/p>\n
        import<\/span> express<\/span> from<\/span> '<\/span>express<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> ApolloServer<\/span> }<\/span> from<\/span> '<\/span>apollo-server-express<\/span>'<\/span>;<\/span>\r\nimport<\/span> http<\/span> from<\/span> '<\/span>http<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\nconst<\/span> httpServer<\/span> =<\/span> http<\/span>.<\/span>createServer<\/span>(<\/span>app<\/span>);<\/span>\r\n\r\nconst<\/span> server<\/span> =<\/span> new<\/span> ApolloServer<\/span>();<\/span>\r\n\r\nconst<\/span> port<\/span> =<\/span> process<\/span>.<\/span>env<\/span>.<\/span>PORT<\/span> ||<\/span> 4000<\/span>;<\/span>\r\n\r\nconst<\/span> start<\/span> =<\/span> async<\/span> ()<\/span> =><\/span> {<\/span>\r\n    await<\/span> server<\/span>.<\/span>start<\/span>();<\/span>\r\n    server<\/span>.<\/span>applyMiddleware<\/span>({<\/span> app<\/span>,<\/span> path<\/span>:<\/span> '<\/span>\/graphql<\/span>'<\/span> });<\/span>\r\n    await<\/span> new<\/span> Promise<\/span>(<\/span>resolve<\/span> =><\/span> httpServer<\/span>.<\/span>listen<\/span>({<\/span> port<\/span>:<\/span> 4000<\/span> },<\/span> resolve<\/span>));<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>`Server ready at http:\/\/localhost:<\/span>${<\/span>port<\/span>}${<\/span>server<\/span>.<\/span>graphqlPath<\/span>}<\/span>`<\/span>);<\/span>\r\n};<\/span>\r\n\r\nstart<\/span>();<\/span>\r\n<\/code><\/pre>\n
        \u9664\u4e86\u4e0a\u8ff0\u7684\u4ee3\u7801\uff0c\u8fd8\u9700\u8981\u7f16\u5199\u6a21\u5f0f\u548c\u89e3\u6790\u5668\u3002<\/p>\n
        \u6a21\u5f0f\u662f\u5bf9\u5b57\u6bb5\u5b9a\u4e49\u7c7b\u578b\u7684\u5185\u5bb9\uff0c<\/p>\n
        \u89e3\u6790\u5668\u662f\u5bf9\u7aef\u70b9\u5b9a\u4e49\u51fd\u6570\u7684\u5185\u5bb9\u3002<\/p>\n
        \u9996\u5148\uff0c\u5728src\u6587\u4ef6\u5939\u4e2d\u65b0\u5efa\u4e00\u4e2aschemas\u6587\u4ef6\u5939\u548c\u4e00\u4e2aresolvers\u6587\u4ef6\u5939\uff0c\u5e76\u5f00\u59cb\u7f16\u5199\u8fd9\u4e24\u4e2a\u6587\u4ef6\u5939\u4e2d\u7684index.js\u3002
        \n\u9996\u5148\uff0c\u7f16\u5199resolvers\u6587\u4ef6\u5939\u4e2d\u7684index.js\u3002<\/p>\n
        const<\/span> db<\/span> =<\/span> [{<\/span> id<\/span>:<\/span> 1<\/span>,<\/span> name<\/span>:<\/span> '<\/span>Siesta<\/span>'<\/span>}];<\/span> \/\/ in memory data store<\/span>\r\nconst<\/span> resolvers<\/span> =<\/span> {<\/span>\r\n  Query<\/span>:<\/span> {<\/span>\r\n    getMe<\/span>:<\/span> ()<\/span> =><\/span> {<\/span>\r\n      return<\/span> db<\/span>[<\/span>0<\/span>];<\/span>\r\n    },<\/span>\r\n    getUserById<\/span>:<\/span> (<\/span>parents<\/span>,<\/span> args<\/span>)<\/span> =><\/span> {<\/span>\r\n      const<\/span> {<\/span> id<\/span> }<\/span> =<\/span> args<\/span>\r\n      if<\/span> (<\/span>id<\/span> <=<\/span> 0<\/span> ||<\/span> id<\/span> ><\/span> db<\/span>.<\/span>length<\/span>)<\/span> throw<\/span> new<\/span> Error<\/span>(<\/span>'<\/span>User Not found.<\/span>'<\/span>);<\/span>\r\n      else<\/span> {<\/span>\r\n        const<\/span> i<\/span> =<\/span> id<\/span> -<\/span> 1<\/span>;<\/span>\r\n        return<\/span> db<\/span>[<\/span>i<\/span>];<\/span>\r\n      }<\/span>\r\n    },<\/span>\r\n    getUserByName<\/span>:<\/span> (<\/span>parents<\/span>,<\/span> args<\/span>)<\/span> =><\/span> {<\/span>\r\n      const<\/span> {<\/span> name<\/span> }<\/span> =<\/span> args<\/span>\r\n      if<\/span> (<\/span>!<\/span>name<\/span>)<\/span> throw<\/span> new<\/span> Error<\/span>(<\/span>'<\/span>User Not found.<\/span>'<\/span>);<\/span>\r\n      else<\/span> {<\/span>\r\n        for<\/span> (<\/span>let<\/span> i<\/span> in<\/span> db<\/span>)<\/span> {<\/span>\r\n          if<\/span> (<\/span>db<\/span>[<\/span>i<\/span>][<\/span>'<\/span>name<\/span>'<\/span>]<\/span> ===<\/span> name<\/span>)<\/span> {<\/span>\r\n            const<\/span> id<\/span> =<\/span> db<\/span>[<\/span>i<\/span>][<\/span>'<\/span>id<\/span>'<\/span>];<\/span>\r\n            const<\/span> j<\/span> =<\/span> id<\/span> -<\/span> 1<\/span>\r\n            return<\/span> db<\/span>[<\/span>j<\/span>];<\/span>\r\n          }<\/span>\r\n        }<\/span>\r\n      }<\/span>\r\n    },<\/span>\r\n  },<\/span>\r\n  Mutation<\/span>:<\/span> {<\/span>\r\n    createUser<\/span>:<\/span> (<\/span>parent<\/span>,<\/span> args<\/span>)<\/span> =><\/span> {<\/span>\r\n      const<\/span> count<\/span> =<\/span> db<\/span>.<\/span>length<\/span>;<\/span>\r\n      const<\/span> id<\/span> =<\/span>  count<\/span> +<\/span> 1<\/span>;<\/span>\r\n      let<\/span> {<\/span> name<\/span> }<\/span> =<\/span> args<\/span>;<\/span>\r\n      if<\/span> (<\/span>!<\/span>name<\/span>)<\/span> name<\/span> =<\/span> '<\/span>no name<\/span>'<\/span>;<\/span>\r\n      const<\/span> newUser<\/span> =<\/span> {<\/span> id<\/span>,<\/span> name<\/span> };<\/span>\r\n      db<\/span>.<\/span>push<\/span>(<\/span>newUser<\/span>);<\/span>\r\n      return<\/span> newUser<\/span>;<\/span>\r\n    },<\/span>\r\n  }<\/span>\r\n};<\/span>\r\nexport<\/span> default<\/span> resolvers<\/span>;<\/span>\r\n<\/code><\/pre>\n
        \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u7f16\u5199schemas\u6587\u4ef6\u5939\u4e2d\u7684index.js\u3002<\/p>\n
        import<\/span> {<\/span> gql<\/span> }<\/span> from<\/span> '<\/span>apollo-server-express<\/span>'<\/span>;<\/span>\r\n\r\nconst<\/span> schema<\/span> =<\/span> gql<\/span>`\r\n  type Query {\r\n    getMe: User\r\n    getUserById(id: ID!): User\r\n    getUserByName(name: String!): User\r\n  }\r\n\r\n  type Mutation {\r\n    createUser(\r\n      name: String!\r\n    ): User!\r\n  }\r\n\r\n  type User {\r\n    id: ID!\r\n    name: String!\r\n  }\r\n`<\/span>;<\/span>\r\nexport<\/span> default<\/span> schema<\/span>;<\/span>\r\n<\/code><\/pre>\n
        \u4f7f\u7528\u8fd9\u4e2a\u89e3\u6790\u5668\u548c\u6a21\u5f0f\u6765\u66f4\u65b0\u6700\u521d\u7684src\/index.js\u6587\u4ef6\u3002<\/p>\n
        import<\/span> express<\/span> from<\/span> '<\/span>express<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> ApolloServer<\/span> }<\/span> from<\/span> '<\/span>apollo-server-express<\/span>'<\/span>;<\/span>\r\nimport<\/span> http<\/span> from<\/span> '<\/span>http<\/span>'<\/span>;<\/span>\r\n\/\/\/ \u8ffd\u8a18<\/span>\r\nimport<\/span> schemas<\/span> from<\/span> '<\/span>.\/schemas<\/span>'<\/span>;<\/span>\r\nimport<\/span> resolvers<\/span> from<\/span> '<\/span>.\/resolvers<\/span>'<\/span>;<\/span>\r\n\/\/\/<\/span>\r\n\r\nconst<\/span> app<\/span> =<\/span> express<\/span>();<\/span>\r\nconst<\/span> httpServer<\/span> =<\/span> http<\/span>.<\/span>createServer<\/span>(<\/span>app<\/span>);<\/span>\r\n\r\n\/\/ \u4fee\u6b63<\/span>\r\nconst<\/span> server<\/span> =<\/span> new<\/span> ApolloServer<\/span>({<\/span>\r\n  typeDefs<\/span>:<\/span> schemas<\/span>,<\/span>\r\n  resolvers<\/span>,<\/span>\r\n});<\/span>\r\n\/\/<\/span>\r\nconst<\/span> port<\/span> =<\/span> process<\/span>.<\/span>env<\/span>.<\/span>PORT<\/span> ||<\/span> 4000<\/span>;<\/span>\r\n\r\nconst<\/span> starter<\/span> =<\/span> async<\/span> ()<\/span> =><\/span> {<\/span>\r\n    await<\/span> server<\/span>.<\/span>start<\/span>();<\/span>\r\n    server<\/span>.<\/span>applyMiddleware<\/span>({<\/span> app<\/span>,<\/span> path<\/span>:<\/span> '<\/span>\/graphql<\/span>'<\/span> });<\/span>\r\n    await<\/span> new<\/span> Promise<\/span>(<\/span>resolve<\/span> =><\/span> httpServer<\/span>.<\/span>listen<\/span>({<\/span> port<\/span>:<\/span> 4000<\/span> },<\/span> resolve<\/span>));<\/span>\r\n    console<\/span>.<\/span>log<\/span>(<\/span>`Server ready at http:\/\/localhost:<\/span>${<\/span>port<\/span>}${<\/span>server<\/span>.<\/span>graphqlPath<\/span>}<\/span>`<\/span>);<\/span>\r\n};<\/span>\r\n\r\nstarter<\/span>();<\/span>\r\n\r\n<\/code><\/pre>\n
        \u7136\u540e\uff0c\u6211\u4eec\u5c06\u5728\u6839\u76ee\u5f55\u7684 package.json \u6587\u4ef6\u4e2d\u7684 scripts \u952e\u5bf9\u8c61\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u4ee5\u4fbf\u53ef\u4ee5\u4f7f\u7528 npm start \u547d\u4ee4\u3002<\/p>\n
        \"start\"<\/span>:<\/span> \"babel-node src\/index.js\"<\/span>\r\n<\/code><\/pre>\n
        \u5982\u679c\u5728\u63a7\u5236\u53f0\u5c4f\u5e55\u4e0a\u663e\u793a\u5982\u4e0b\uff0c\u5219\u8868\u793a\u6210\u529f\uff01<\/p>\n
        Server ready at http:\/\/localhost:4000\/graphql\r\n<\/code><\/pre>\n
        \u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6765\u786e\u8ba4\u4e00\u4e0b\u5728resolvers\u4e2d\u5b9a\u4e49\u7684\u67e5\u8be2\u548c\u53d8\u66f4\u662f\u5426\u53ef\u4ee5\u5b9e\u9645\u6267\u884c\u3002
        \n\u6211\u4eec\u901a\u8fc7\u6d4f\u89c8\u5668\u8fde\u63a5\u5230\u672c\u5730\u4e3b\u673a\u5e76\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n
        # request\r\n\r\nquery {\r\n  getUserById(id: 1) {\r\n    id, name\r\n  }\r\n}\r\n<\/code><\/pre>\n
        # response\r\n\r\n{\r\n  \"data\": {\r\n      \"getUser\": {\r\n          \"id\": \"1\",\r\n          \"name\": \"Siesta\"\r\n      }\r\n  }\r\n}\r\n<\/code><\/pre>\n
        \u8bf7\u6ce8\u610f\uff0c\u5728\u5e38\u89c4\u7684REST API\u4e2d\uff0cquery\u901a\u5e38\u5bf9\u5e94GET\u64cd\u4f5c\u3002\u7136\u540e\uff0c\u5728REST API\u4e2d\uff0c\u6211\u4eec\u5c06\u6267\u884cmutation\u6765\u5bf9\u5e94POST\u64cd\u4f5c\u3002\u8bf7\u6ce8\u610f\uff0c\u5728GraphQL\u4e2d\uff0cquery\u548cmutation\u90fd\u4f1a\u53d8\u6210POST\u65b9\u6cd5\u3002<\/p>\n
        # request\r\n\r\nquery {\r\n  createUser(name: \"Roxy\") {\r\n    id, name\r\n  }\r\n}\r\n<\/code><\/pre>\n
        # response\r\n\r\n{\r\n  \"data\": {\r\n      \"createUser\": {\r\n          \"id\": \"2\",\r\n          \"name\": \"Roxy\"\r\n      }\r\n  }\r\n}\r\n<\/code><\/pre>\n
        \u6700\u540e\uff0c\u8ba9\u6211\u4eec\u786e\u8ba4\u4e00\u4e0b\uff0c\u9664\u4e86\u4f7f\u7528ID\u8fdb\u884c\u641c\u7d22\u7528\u6237\u5916\uff0c\u8fd8\u5b9a\u4e49\u4e86\u53ef\u4ee5\u4f7f\u7528\u7528\u6237\u540d\u8fdb\u884c\u641c\u7d22\u7684\u529f\u80fd\u3002<\/p>\n
        # request\r\n\r\nquery {\r\n  getUserByName(name: \"Roxy\") {\r\n    id,\r\n    name,\r\n  }\r\n}\r\n<\/code><\/pre>\n
        # response\r\n\r\n{\r\n  \"data\": {\r\n    \"getUserByName\": {\r\n      \"id\": \"2\",\r\n      \"name\": \"Roxy\"\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
        \u4f60\u5df2\u7ecf\u786e\u8ba4\u4e86\u4e00\u5207\u5e73\u5b89\u65e0\u4e8b\uff01<\/p>\n
        \u6700\u540e<\/h2>\n
        \u7531\u4e8eGraphQL\u5728\u670d\u52a1\u5668\u7aef\u7684\u5b9e\u65bd\u5c24\u4e3a\u5173\u952e\uff0c\u56e0\u6b64\u6211\u5e0c\u671b\u5c06\u5176\u5feb\u901f\u5730\u96c6\u6210\u5230\u5404\u79cd\u670d\u52a1\u4e2d\u3002<\/p>\n
        \u8bf7\u53c2\u9605<\/h2>\n
          \n
        1. \n
            Annict\u5f00\u53d1\u8005<\/ol>\n<\/li>\n<\/ol>\n
             <\/p>\n
              \n
            1. \n
                \u5728Node.js\u4e2d\u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u7684GraphQl\u670d\u52a1\u5668<\/ol>\n<\/li>\n<\/ol>\n
                 <\/p>\n
                  \n
                1. \n
                    \u6a21\u5f0f\u548c\u7c7b\u578b<\/ol>\n<\/li>\n<\/ol>\n
                     <\/p>\n
                      \n
                    1. \n
                        GraphQL\u7684\u6a21\u5f0f\u548c\u7c7b\u578b\u5b9a\u4e49<\/ol>\n<\/li>\n<\/ol>\n
                         <\/p>\n
                          ? GraphQL \u901f\u6210\u8bfe\u7a0b\uff0810\u5f20\u56fe\u7247\uff09<\/ol>\n","protected":false},"excerpt":{"rendered":"
                          \u6211\u597d\uff0c\u6211\u662f\u6dbc\u5bae\u30cf\u30eb\u30d2\u51fa\u751f\u3001\u3051\u3044\u304a\u3093\u6210\u9577\u7684Fantasista\u2606\u307f\u3086\u304d\u3002 \u5404\u4f4d\uff0c\u4f60\u4eec\u662f\u5426\u4f7f\u7528\u8fc7GraphQL\uff1f  […]<\/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-47970","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684GraphQL - 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\/\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684graphql\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684GraphQL\" \/>\n<meta property=\"og:description\" content=\"\u6211\u597d\uff0c\u6211\u662f\u6dbc\u5bae\u30cf\u30eb\u30d2\u51fa\u751f\u3001\u3051\u3044\u304a\u3093\u6210\u9577\u7684Fantasista\u2606\u307f\u3086\u304d\u3002 \u5404\u4f4d\uff0c\u4f60\u4eec\u662f\u5426\u4f7f\u7528\u8fc7GraphQL\uff1f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684graphql\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-05-03T12:46:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T07:37:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8289913a08637a6b0a23\/0-0.jpeg\" \/>\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=\"3 \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\/%e4%b8%ba%e5%8a%a8%e6%bc%ab%e5%ae%85%e4%bb%ac%e8%ae%be%e8%ae%a1%e7%9a%84graphql\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e4%b8%ba%e5%8a%a8%e6%bc%ab%e5%ae%85%e4%bb%ac%e8%ae%be%e8%ae%a1%e7%9a%84graphql\/\",\"name\":\"\u4e3a\u52a8\u6f2b\u5b85\u4eec\u8bbe\u8ba1\u7684GraphQL - 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