{"id":48043,"date":"2023-05-11T12:30:24","date_gmt":"2024-02-26T23:43:40","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%90%e6%ad%a5%e5%8a%a8%e6%89%8b%e7%90%86%e8%a7%a3graphql\/"},"modified":"2024-04-30T03:37:45","modified_gmt":"2024-04-29T19:37:45","slug":"%e9%80%90%e6%ad%a5%e5%8a%a8%e6%89%8b%e7%90%86%e8%a7%a3graphql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%80%90%e6%ad%a5%e5%8a%a8%e6%89%8b%e7%90%86%e8%a7%a3graphql\/","title":{"rendered":"\u9010\u6b65\u52a8\u624b\u7406\u89e3GraphQL."},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u56e0\u4e3a\u6700\u7ec8\u60f3\u8981\u4f7f\u7528AWS AppSync\uff0c\u6240\u4ee5\u5927\u81f4\u6d4f\u89c8\u4e86\u4e00\u4e0bGraphQL\u548cAppSync\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4f46\u771f\u6b63\u4f7f\u7528\u8fc7\u4e4b\u540e\u624d\u80fd\u660e\u767d\u3002\u56e0\u6b64\uff0c\u9996\u5148\u5728\u672c\u5730\u642d\u5efaApollo\u670d\u52a1\u5668\uff0c\u5c1d\u8bd5\u624b\u52a8\u53d1\u9001\u67e5\u8be2\u5e76\u8bd5\u56fe\u7406\u89e3GraphQL\uff0c\u8fd9\u662f\u7b2c\u4e00\u6b65\u3002<\/p>\n

\u8bf7\u6ce8\u610f\uff0c\u672c\u6587\u4e0d\u6d89\u53ca\u201cGraphQL\u7684\u4f18\u70b9\u548c\u4f18\u70b9\u201d\u3002\u6211\u4eec\u5c06\u91cd\u70b9\u653e\u5728\u901a\u8fc7\u8fd0\u884c\u7b80\u5355\u793a\u4f8b\u6765\u7406\u89e3\u4f7f\u7528GraphQL\u7684\u6b65\u9aa4\u4e0a\u3002<\/p>\n

GraphQL\u662f\u4ec0\u4e48<\/h1>\n

\u7ef4\u57fa\u767e\u79d1\u5bf9GraphQL\uff08\u56fe\u7075\u67e5\u8be2\u8bed\u8a00\u548c\u8fd0\u884c\u65f6\uff09\u8fdb\u884c\u4e86\u89e3\u91ca\u3002\u6839\u636e\u5176\u88ab\u63cf\u8ff0\u4e3a\u67e5\u8be2\u8bed\u8a00\u548c\u8fd0\u884c\u65f6\u7684\u8bf4\u660e\uff0c\u53ef\u4ee5\u7406\u89e3\u5b83\u662f\u4e00\u4e2a\u5305\u542b\u591a\u4e2a\u9879\u76ee\u7684\u6982\u5ff5\uff0c\u56e0\u6b64\u5f88\u96be\u7528\u7b80\u6d01\u7684\u65b9\u5f0f\u8fdb\u884c\u89e3\u91ca\u3002\u4e3a\u4e86\u7406\u89e3GraphQL\uff0c\u4e0b\u9762\u7684\u56fe\u8868\u5c55\u793a\u4e86\u76f8\u5173\u9879\u76ee\u3002\u5f53\u63d0\u5230GraphQL\u65f6\uff0c\u8fd9\u4e2a\u56fe\u8868\u663e\u793a\u4e86\u5168\u90e8\u6216\u90e8\u5206\u5185\u5bb9\u3002<\/p>\n

\"graphql.png\"<\/div>\n

\u6211\u8ba4\u4e3a\uff0c\u53ef\u4ee5\u5c06GraphQL\u7406\u89e3\u4e3a\u4e00\u79cd\u63d0\u4f9b\u7528\u6237\u4e0e\u5b9e\u9645\u6570\u636e\u4e4b\u95f4\u8fde\u63a5\u5b9e\u73b0\u7684\u65b9\u5f0f\uff0c\u4ee5\u9ad8\u6548\u5730\u83b7\u53d6\uff08\u548c\u4fee\u6539\uff09\u6570\u636e\u3002<\/p>\n

\u548c\u4e00\u822c\u7684\u7684\u6570\u636e\u5e93\u670d\u52a1\uff08\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5982Oracle Database\u6216MySQL\uff09\u76f8\u6bd4\uff0c\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff08RDBMS\uff09\u6db5\u76d6\u4e86\u53f3\u4fa7\u7684\u9ec4\u8272\u6846\u5e76\u91c7\u7528\u4e86\u670d\u52a1\u72ec\u6709\u7684\u89c4\u8303\u6765\u5b58\u50a8\u6570\u636e\u3002\u53ef\u4ee5\u901a\u8fc7SQL\u548cDDL\u6765\u64cd\u4f5c\u6570\u636e\u5e93\u548c\u7ba1\u7406\u6570\u636e\u3002\u4ece\u7528\u6237\u548c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u7684\u89d2\u5ea6\u6765\u770b\uff0c\u9700\u8981\u7f16\u5199SQL\u6216\u5176\u4ed6\u4ee3\u7801\u6765\u64cd\u4f5c\u6570\u636e\uff0c\u4f46\u4e0d\u9700\u8981\u7f16\u5199\u9488\u5bf9\u5df2\u5199\u4ee3\u7801\u7684\u5177\u4f53\u6570\u636e\u64cd\u4f5c\u7a0b\u5e8f\u3002<\/p>\n

\u7136\u800c\uff0c\u5728GraphQL\u670d\u52a1\u4e2d\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e24\u4e2a\u8fc7\u7a0b\u5206\u5f00\u3002\u4ee3\u66ff\u7684\u662f\uff0c\u9700\u8981\u4ee5resolver\u7684\u5f62\u5f0f\u5b9e\u73b0\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4ee5\u786e\u5b9a\u5bf9\u5916\u90e8\u7ed9\u5b9a\u7684\u547d\u4ee4\u8981\u8fd4\u56de\u4ec0\u4e48\u5904\u7406\u8fc7\u7684\u6570\u636e\u3002<\/p>\n

\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Apollo\u4f5c\u4e3aGraphQL\u670d\u52a1\u3002\u867d\u7136\u5728\u8bf4\u660e\u4e2d\u5c06\u6570\u636e\u5206\u79bb\uff0c\u4f46\u662f\u53ea\u8981\u5728GraphQL\u670d\u52a1\u7684\u89e3\u6790\u5668\u4e2d\u5b9e\u73b0\u8fd4\u56de\u56fa\u5b9a\u503c\u6216\u8005\u670d\u52a1\u5668\u5185\u5b58\u4e2d\u7684\u503c\uff0c\u5c31\u53ef\u4ee5\u4e0d\u521b\u5efa\u6570\u636e\u96c6\u90e8\u5206\u5373\u53ef\u4f7fGraphQL\u670d\u52a1\u8fd0\u884c\u3002<\/p>\n

\u4f7f\u7528\u7684\u73af\u5883\u548c\u7248\u672c\u7b49<\/h2>\n
    \n
  • \n
      OS: Ubuntu 20.04 LTS<\/ul>\n<\/li>\n<\/ul>\n

       <\/p>\n

        \n
      • \n
          Node.js: v15.8.0<\/ul>\n<\/li>\n<\/ul>\n

           <\/p>\n

            \n
          • \n
              yarn: 1.22.10<\/ul>\n<\/li>\n<\/ul>\n

               <\/p>\n

                \n
              • \n
                  apollo-server: 2.25.2<\/ul>\n<\/li>\n<\/ul>\n

                   <\/p>\n

                    graphql: 15.5.1<\/ul>\n

                    \u963f\u6ce2\u7f57\u8bbe\u7f6e\u548c\u4f60\u597d\uff0c\u4e16\u754c<\/h2>\n

                    \u6700\u5f00\u59cb\uff0c\u53ef\u4ee5\u53c2\u8003 Github \u7684 README \u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n

                    $ <\/span>cd<\/span> [<\/span>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea]\r\n$ <\/span>yarn init\r\n# ... \u624b\u3092\u52d5\u304b\u3059\u3060\u3051\u306a\u306e\u3067\u4eca\u56de\u306f yarn init \u306e\u5165\u529b\u5185\u5bb9\u306f\u9069\u5f53\u306b<\/span>\r\n$ <\/span>yarn add apollo-server graphql\r\n# \u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u8a18\u8f09<\/span>\r\n$ <\/span>vim index.js\r\n<\/code><\/pre>\n
                    \u5c06index.js\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u6309\u539f\u6837\u4fdd\u5b58\u5728README\u6587\u4ef6\u4e2d\u3002<\/p>\n
                    const<\/span> {<\/span> ApolloServer<\/span>,<\/span> gql<\/span> }<\/span> =<\/span> require<\/span>(<\/span>'<\/span>apollo-server<\/span>'<\/span>);<\/span>\r\n\r\n\/\/ The GraphQL schema<\/span>\r\nconst<\/span> typeDefs<\/span> =<\/span> gql<\/span>`\r\n  type Query {\r\n    \"A simple type for getting started!\"\r\n    hello: String\r\n  }\r\n`<\/span>;<\/span>\r\n\r\n\/\/ A map of functions which return data for the schema.<\/span>\r\nconst<\/span> resolvers<\/span> =<\/span> {<\/span>\r\n  Query<\/span>:<\/span> {<\/span>\r\n    hello<\/span>:<\/span> ()<\/span> =><\/span> '<\/span>world<\/span>'<\/span>,<\/span>\r\n  },<\/span>\r\n};<\/span>\r\n\r\nconst<\/span> server<\/span> =<\/span> new<\/span> ApolloServer<\/span>({<\/span>\r\n  typeDefs<\/span>,<\/span>\r\n  resolvers<\/span>,<\/span>\r\n});<\/span>\r\n\r\nserver<\/span>.<\/span>listen<\/span>().<\/span>then<\/span>(({<\/span> url<\/span> })<\/span> =><\/span> {<\/span>\r\n  console<\/span>.<\/span>log<\/span>(<\/span>`? Server ready at <\/span>${<\/span>url<\/span>}<\/span>`<\/span>);<\/span>\r\n});<\/span>\r\n<\/code><\/pre>\n
                    \u5728\u5199\u5b8c\u8fd9\u53e5\u8bdd\u540e\uff0c\u542f\u52a8\u672c\u5730\u670d\u52a1\u5668\uff0c\u5e76\u8bbf\u95ee http:\/\/localhost:4000\u3002<\/p>\n
                    $ <\/span>node index.js\r\n<\/code><\/pre>\n
                    \u7136\u540e\uff0c\u4f1a\u51fa\u73b0\u5982\u4e0b\u7684\u63a7\u5236\u53f0\u3002<\/p>\n
                    \"SnapCrab_NoName_2021-7-7_17-15-45_No-00.png\"<\/div>\n
                    \u5728\u8fd9\u91cc\uff0c\u60a8\u53ef\u4ee5\u5728\u5de6\u4fa7\u8f93\u5165GraphQL\u67e5\u8be2\u5e76\u6309\u4e0b\u4e2d\u592e\u7684\u6267\u884c\u6309\u94ae\uff0c\u7136\u540e\u7ed3\u679c\u5c06\u663e\u793a\u5728\u53f3\u4fa7\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u53d1\u9001\u67e5\u8be2\u5e76\u63a5\u6536\u6765\u81eaGraphQL\u7684\u54cd\u5e94\u3002<\/p>\n
                    query<\/span> {<\/span>\r\n  hello<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u5f53\u4e0b\u6307\u5b9a\u60a8\u7684\u67e5\u8be2\u65f6\uff0c<\/p>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"hello\"<\/span>:<\/span> \"world\"<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u4f1a\u6709\u5982\u4e0b\u56de\u5e94\u8fd4\u56de\u3002<\/p>\n
                    \u8fd9\u6837\u4e00\u6765\uff0c\u9996\u5148\u7684\u6b65\u9aa4\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002<\/p>\n
                    \u867d\u7136\u5728\u8fd9\u91cc\u5199\u7740 “query { hello } “\uff0c\u4f46\u6839\u636e\u4e0b\u9762\u6240\u8ff0\u7684\u6761\u4ef6\uff0c\u5f53\u6ee1\u8db3\u6761\u4ef6\u65f6\uff0c\u53ef\u4ee5\u7701\u7565 query\uff08\u5728\u4e0b\u6587\u4e2d\u5c06\u91c7\u7528\u9002\u65f6\u7701\u7565\uff09\u3002<\/p>\n
                    \u53ea\u6709\u5f53GraphQL\u6587\u6863\u5b9a\u4e49\u4e86\u591a\u4e2a\u64cd\u4f5c\u65f6\uff0c\u624d\u9700\u8981\u6307\u5b9a\u67e5\u8be2\u5173\u952e\u5b57\u548c\u64cd\u4f5c\u540d\u79f0\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u7b80\u5199\u6765\u4e66\u5199\u4e0a\u8ff0\u67e5\u8be2\uff1ahttps:\/\/github.com\/graphql\/graphql-spec\/blob\/main\/README.md<\/p><\/blockquote>\n
                    GraphQL \u7684\u589e\u5220\u6539\u67e5\u64cd\u4f5c<\/h1>\n
                    \u5728\u6dfb\u52a0\u6570\u636e\u4e4b\u540e\u6267\u884c\u67e5\u8be2\u64cd\u4f5c<\/h2>\n
                    \u8bf7\u4fee\u6539index.js\uff0c\u4ee5\u4fbf\u80fd\u591f\u83b7\u53d6\u7b80\u5355\u7684\u7528\u6237\u6570\u636e\u3002<\/p>\n
                    \/\/ The GraphQL schema<\/span>\r\nconst<\/span> typeDefs<\/span> =<\/span> gql<\/span>`\r\n  type User {\r\n    name: String!\r\n    age: Int!\r\n  }\r\n  type Query {\r\n    hello: String\r\n    user(name: String!): User\r\n    users: [User]\r\n  }\r\n`<\/span>;<\/span>\r\n\r\nconst<\/span> users<\/span> =<\/span> [<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User1<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 20<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User2<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 30<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User3<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 40<\/span> },<\/span>\r\n]<\/span>\r\n\r\n\/\/ A map of functions which return data for the schema.<\/span>\r\nconst<\/span> resolvers<\/span> =<\/span> {<\/span>\r\n  Query<\/span>:<\/span> {<\/span>\r\n    hello<\/span>:<\/span> ()<\/span> =><\/span> '<\/span>world<\/span>'<\/span>,<\/span>\r\n    user<\/span>:<\/span> (<\/span>parent<\/span>,<\/span> args<\/span>,<\/span> context<\/span>,<\/span> info<\/span>)<\/span> =><\/span> {<\/span> \r\n      return<\/span> users<\/span>.<\/span>find<\/span>(<\/span>u<\/span> =><\/span> u<\/span>.<\/span>name<\/span> ===<\/span> args<\/span>.<\/span>name<\/span>);<\/span>\r\n    },<\/span>\r\n    users<\/span>:<\/span> ()<\/span> =><\/span> users<\/span>,<\/span>\r\n  },<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
                    \u901a\u8fc7\u7c7b\u578b\u5b9a\u4e49(typeDefs)\uff0c\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3aUser\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u4e14\u4f7f\u5f97\u53ef\u4ee5\u83b7\u53d6User\u7c7b\u578b\u7684\u503c\u3002\u5728\u8fd9\u91cc\u4f7f\u7528\u4e86gql\uff0c\u5e76\u4e14\u636e\u8bf4\u8fd9\u79cd\u8bed\u6cd5\u662f\u5b8c\u5168\u6ca1\u89c1\u8fc7\u7684\uff0c\u53eb\u505a”\u5e26\u6807\u7b7e\u7684\u6a21\u677f\u5b57\u9762\u91cf”\u3002
                    \n\u4ece\u673a\u5236\u4e0a\u6765\u8bf4\uff0c\u53ef\u4ee5\u901a\u8fc7fx`args`\u8fd9\u79cd\u5f62\u5f0f\u6765\u8c03\u7528\u51fd\u6570fx\uff0c\u800c\u4e0d\u662ffx(args)\u3002\u7136\u800c\uff0c\u540e\u534a\u90e8\u5206\u7684`args`\u662f\u6a21\u677f\u5b57\u7b26\u4e32\u3002\u56e0\u6b64\uff0c\u53ea\u80fd\u5728\u4f20\u9012\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528\uff0c\u6bd4\u5982fx `my name is ${name}`\u3002\u66f4\u8be6\u7ec6\u7684\u8bf4\u660e\u8bf7\u53c2\u8003\u4ee5\u4e0b\u5185\u5bb9\u3002<\/p>\n
                    \u6211\u5011\u5be6\u969b\u57f7\u884c\u9019\u500b\u67e5\u8a62\u3002<\/p>\n
                    {<\/span>\r\n  hello<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"hello\"<\/span>:<\/span> \"world\"<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  users<\/span> {<\/span>\r\n    name<\/span>,<\/span> age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"users\"<\/span>:<\/span> [<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User1\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 20<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User2\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 30<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User3\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 40<\/span>\r\n      }<\/span>\r\n    ]<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  user<\/span>(<\/span>name<\/span>:<\/span> \"Sample User1\"<\/span>)<\/span> {<\/span>\r\n    age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"user\"<\/span>:<\/span> {<\/span>\r\n      \"age\"<\/span>:<\/span> 20<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u5c31\u50cf\u8fd9\u6837\uff0c\u5728\u65b0\u5b9a\u4e49\u7684 type Query \u4e2d\u53ef\u4ee5\u4f7f\u7528\u5b9a\u4e49\u7684 users \u548c user\u3002<\/p>\n
                    \u987a\u4fbf\u8bf4\u4e00\u53e5\uff0c\u5bf9\u4e8e\u719f\u6089SQL\u7684\u4eba\u6765\u8bf4\uff0c\u5f53\u60f3\u8981\u83b7\u53d6User\u7684\u6240\u6709\u9879\u76ee\u65f6\uff0c\u5f88\u53ef\u80fd\u4e0d\u60f3\u9010\u4e00\u5217\u51fa\u5b57\u6bb5\u3002\u56e0\u6b64\uff0c\u4ed6\u4eec\u53ef\u80fd\u4f1a\u60f3\u8981\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u3002<\/p>\n
                    # \u5168\u30e6\u30fc\u30b6\u30fc\u306e\u5168\u5c5e\u6027\u3092\u53d6\u5f97\u3057\u305f\u3044<\/span>\r\n{<\/span>\r\n  users<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    # \u5168\u30e6\u30fc\u30b6\u30fc\u306e\u5168\u5c5e\u6027\u3092\u53d6\u5f97\u3057\u305f\u3044<\/span>\r\n{<\/span>\r\n  users<\/span> {<\/span> *<\/span> }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u7136\u800c\uff0c\u8fd9\u4e9b\u67e5\u8be2\u4e0d\u4f1a\u8fd4\u56de\u9884\u671f\u7684\u503c\u3002
                    \n\u5bf9\u4e8e\u793a\u4f8b1\uff0c\u4f1a\u8fd4\u56de\u9519\u8bef\u6d88\u606f”\u7c7b\u578b\u4e3a\\”[User]\\”\u7684\u5b57\u6bb5\\”users\\”\u5fc5\u987b\u6709\u5b50\u5b57\u6bb5\u7684\u9009\u62e9\u3002\u60a8\u662f\u4e0d\u662f\u60f3\u8981\\”users { … }\\”?”\u3002\u6839\u636e\u9519\u8bef\u6d88\u606f\u7684\u8bf4\u660e\uff0c\u5728\u67e5\u8be2\u5177\u6709\u503c\uff08\u975e\u539f\u59cb\u503c\uff09\u7684\u5b50\u5143\u7d20\uff08\u5c5e\u6027\uff09\u65f6\uff0c\u9700\u8981\u660e\u786e\u6307\u5b9a\u6240\u9700\u7684\u5c5e\u6027\uff08hello\u8fd4\u56de\u7684\u662f\u539f\u59cb\u5b57\u7b26\u4e32\uff0c\u6240\u4ee5{ hello }\u662f\u6709\u6548\u7684\uff09\u3002<\/p>\n
                    \u5982\u679c\u793a\u4f8b1\u5931\u8d25\uff0c\u6709\u4e9b\u4eba\u53ef\u80fd\u4f1a\u8003\u8651\u50cf\u793a\u4f8b2\u4e00\u6837\u4f7f\u7528\u901a\u914d\u7b26\u6765\u7b80\u5316\u8868\u793a\u3002\u7136\u800c\uff0c\u8fd9\u5c06\u5bfc\u81f4\u8bed\u6cd5\u9519\u8bef\u3002\u636e\u8bf4\uff0c\u5728GraphQL\u5b9e\u73b0\u4e2d\uff0c\u5c3d\u7ba1\u6709\u5173\u901a\u914d\u7b26\u7684\u8ba8\u8bba\u6b63\u5728\u8fdb\u884c\uff0c\u4f46\u76ee\u524d\u6ca1\u6709\u8ba1\u5212\u5f15\u5165\u3002<\/p>\n
                    \u901a\u8fc7\u4f7f\u7528\u6240\u8ff0\u7684Fragment\u53ef\u4ee5\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u5b9e\u73b0\u5171\u901a\u5316\uff0c\u4f46\u5373\u4f7f\u5982\u6b64\uff0c\u4e5f\u4ecd\u7136\u9700\u8981\u81f3\u5c11\u4e00\u6b21\u5730\u8bb0\u5f55\u6240\u9700\u9879\u3002<\/p>\n
                    \u83b7\u53d6\u6709\u6761\u4ef6\u7684\u6570\u636e<\/h2>\n
                    \u5728\u4e4b\u524d\u7684\u4f8b\u5b503\u4e2d\uff0c\u6211\u4eec\u83b7\u53d6\u4e86\u4e0e\u540d\u79f0\u5339\u914d\u7684\u7528\u6237\u3002\u5f53\u7136\uff0c\u8fd9\u4e5f\u662f\u6709\u6761\u4ef6\u7684\u6570\u636e\u83b7\u53d6\uff08\u83b7\u53d6\u6ee1\u8db3\u540d\u79f0\u5b8c\u5168\u5339\u914d\u7684\u7528\u6237\uff09\u4f46\u662f\uff0c\u5bf9\u4e8e\u5177\u6709\u66f4\u590d\u6742\u6761\u4ef6\u7684\u6570\u636e\uff0c\u6bd4\u5982\u201c\u83b7\u53d6\u5e74\u9f84\u5728\u67d0\u4e2a\u8303\u56f4\u5185\u7684\u7528\u6237\u201d\uff0c\u5e94\u8be5\u600e\u4e48\u529e\u5462\uff1f
                    \n\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u201c\u5728\u7528\u6237\u7aef\u83b7\u53d6\u6240\u6709\u6570\u636e\uff0c\u7136\u540e\u5728\u7528\u6237\u7aef\u8fdb\u884c\u7b5b\u9009\u5e76\u4f7f\u7528\u6240\u9700\u6570\u636e\u201d\uff0c\u4f46\u662f\u8fd9\u4f1a\u589e\u52a0\u6570\u636e\u4f20\u8f93\u91cf\uff0c\u6240\u4ee5\u4e0d\u662f\u5f88\u7406\u60f3\u3002
                    \n\u56e0\u6b64\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u91c7\u53d6\u521b\u5efa\u7528\u4e8e\u641c\u7d22\u6761\u4ef6\u7684\u6570\u636e\u7ed3\u6784\u7b49\u65b9\u6cd5\u3002
                    \n\u8fd9\u91cc\uff0c\u8f93\u5165\u7684UserAgeFilter\u5c06\u6210\u4e3a\u7528\u4e8e\u641c\u7d22\u7684\u6570\u636e\u7ed3\u6784\u3002<\/p>\n
                    \u50cf UserAgeFilter \u8fd9\u6837\u901a\u8fc7 type \u5b9a\u4e49\u7684\u662f\u8f93\u51fa\u7c7b\u578b\u5b9a\u4e49\uff0c\u800c\u901a\u8fc7 input \u5b9a\u4e49\u7684\u662f\u8f93\u5165\u7c7b\u578b\u5b9a\u4e49\u3002input \u53ef\u4ee5\u4f5c\u4e3a Query \u7684\u53c2\u6570\u4f7f\u7528\uff0c\u4f46 type \u4e0d\u53ef\u4ee5\u3002<\/p>\n
                    \/\/ The GraphQL schema<\/span>\r\nconst<\/span> typeDefs<\/span> =<\/span> gql<\/span>`\r\n  input UserAgeFilter {\r\n    gt: Int\r\n    lt: Int\r\n  }\r\n  type User {\r\n    name: String!\r\n    age: Int!\r\n  }\r\n  type Query {\r\n    hello: String\r\n    users(name: String, ageFilter: UserAgeFilter): [User]\r\n  }\r\n`<\/span>;<\/span>\r\n\r\nconst<\/span> users<\/span> =<\/span> [<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User1<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 20<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User2<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 30<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User3<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 40<\/span> },<\/span>\r\n]<\/span>\r\n\r\n\/\/ A map of functions which return data for the schema.<\/span>\r\nconst<\/span> resolvers<\/span> =<\/span> {<\/span>\r\n  Query<\/span>:<\/span> {<\/span>\r\n    hello<\/span>:<\/span> ()<\/span> =><\/span> '<\/span>world<\/span>'<\/span>,<\/span>\r\n    users<\/span>:<\/span> (<\/span>parent<\/span>,<\/span> args<\/span>,<\/span> context<\/span>,<\/span> info<\/span>)<\/span> =><\/span> {<\/span> \r\n      let<\/span> us<\/span> =<\/span> users<\/span>;<\/span>\r\n      if<\/span> (<\/span>args<\/span>.<\/span>name<\/span>)<\/span> {<\/span> \r\n          us<\/span> =<\/span> us<\/span>.<\/span>filter<\/span>(<\/span>u<\/span> =><\/span> u<\/span>.<\/span>name<\/span> ===<\/span> args<\/span>.<\/span>name<\/span>);<\/span>\r\n      }<\/span>\r\n      if<\/span> (<\/span>args<\/span>.<\/span>ageFilter<\/span>)<\/span> {<\/span>\r\n        if<\/span> (<\/span>typeof<\/span> args<\/span>.<\/span>ageFilter<\/span>.<\/span>gt<\/span> !==<\/span> '<\/span>undefined<\/span>'<\/span>)<\/span> {<\/span>\r\n          us<\/span> =<\/span> us<\/span>.<\/span>filter<\/span>(<\/span>u<\/span> =><\/span> u<\/span>.<\/span>age<\/span> ><\/span> args<\/span>.<\/span>ageFilter<\/span>.<\/span>gt<\/span>);<\/span>\r\n        }<\/span>\r\n        if<\/span> (<\/span>typeof<\/span> args<\/span>.<\/span>ageFilter<\/span>.<\/span>lt<\/span> !==<\/span> '<\/span>undefined<\/span>'<\/span>)<\/span> {<\/span>\r\n          us<\/span> =<\/span> us<\/span>.<\/span>filter<\/span>(<\/span>u<\/span> =><\/span> u<\/span>.<\/span>age<\/span> <<\/span> args<\/span>.<\/span>ageFilter<\/span>.<\/span>lt<\/span>);<\/span>\r\n        }<\/span>\r\n      }<\/span>\r\n      return<\/span> us<\/span>;<\/span>\r\n    },<\/span>\r\n  },<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
                    \u901a\u8fc7\u67e5\u770b\u4ee3\u7801\uff0c\u53ef\u4ee5\u7406\u89e3\u4f7f\u7528\u4e86\u4f20\u9012\u7ed9 users \u7684\u53c2\u6570 name \u548c ageFilter \u6765\u8fdb\u884c\u6570\u636e\u8fc7\u6ee4\u3002\u4ee5\u4e0b\u662f users \u7684\u4f7f\u7528\u793a\u4f8b\u3002<\/p>\n
                    {<\/span>\r\n  users<\/span> (<\/span>ageFilter<\/span>:<\/span> {<\/span>gt<\/span>:<\/span> 29<\/span>})<\/span> {<\/span>\r\n    name<\/span>,<\/span> age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n# \u53d6\u5f97\u7d50\u679c<\/span>\r\n# {<\/span>\r\n#   \"data\": {<\/span>\r\n#     \"users\": [<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User2\",<\/span>\r\n#         \"age\": 30<\/span>\r\n#       },<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User3\",<\/span>\r\n#         \"age\": 40<\/span>\r\n#       }<\/span>\r\n#     ]<\/span>\r\n#   }<\/span>\r\n# }<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  users<\/span> (<\/span>name<\/span>:<\/span> \"Sample User1\"<\/span>,<\/span> ageFilter<\/span>:<\/span> {<\/span>gt<\/span>:<\/span> 19<\/span>,<\/span> lt<\/span>:<\/span> 38<\/span>})<\/span> {<\/span>\r\n    name<\/span>,<\/span> age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n# \u53d6\u5f97\u7d50\u679c<\/span>\r\n# {<\/span>\r\n#   \"data\": {<\/span>\r\n#     \"users\": [<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User1\",<\/span>\r\n#         \"age\": 20<\/span>\r\n#       }<\/span>\r\n#     ]<\/span>\r\n#   }<\/span>\r\n# }<\/span>\r\n<\/code><\/pre>\n
                    \u6700\u7d42\u7684\u7ed3\u8bba\u662f\u8981\u6839\u636e\u8f93\u5165\u5b9e\u73b0\u4e00\u4e2a\u89e3\u6790\u5668\uff0c\u5b83\u4f1a\u83b7\u53d6\u5e76\u8fd4\u56de\u9002\u5f53\u7684\u6570\u636e\u3002\u8fd9\u91cc\u53ea\u5b9e\u73b0\u4e86\u7b80\u5355\u7684 lt \u548c gt\uff0c\u4f46\u4e5f\u53ef\u4ee5\u8003\u8651\u5b9e\u73b0 lte \u548c gte\uff0c\u4ee5\u53ca\u901a\u8fc7\u4f20\u9012\u5b57\u7b26\u4e32\u8fdb\u884c\u89e3\u6790\uff0c\u5e76\u6839\u636e\u7ed3\u679c\u5e94\u7528\u8fc7\u6ee4\u5668\u7684\u901a\u7528\u5b9e\u73b0\u3002<\/p>\n
                    \u6570\u636e\u7684\u4fee\u6539\uff08\u521b\u5efa\/\u66f4\u65b0\/\u5220\u9664\uff09<\/h2>\n
                    \u6211\u4eec\u8fc7\u53bb\u4e00\u76f4\u5173\u6ce8\u4e8e\u6570\u636e\u7684\u83b7\u53d6 (Read)\uff0c\u4f46\u662f\u6211\u4eec\u73b0\u5728\u8981\u7814\u7a76\u4e00\u4e0b\u9664\u4e86 CRUD \u64cd\u4f5c\u4e2d\u7684 Read \u4e4b\u5916\u7684\u6570\u636e\u751f\u6210\u3001\u66f4\u65b0\u548c\u5220\u9664\u8be5\u5982\u4f55\u5b9e\u73b0\u3002<\/p>\n
                    \u4f7f\u7528GraphQL\u7684mutation\u6765\u8fdb\u884c\u6570\u636e\u7684\u66f4\u6539\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u5b9e\u73b0\u4e00\u4e2a\u540d\u4e3aadd\u7684Mutation\uff0c\u7528\u4e8e\u6dfb\u52a0\u6570\u636e\u3002<\/p>\n
                    \/\/ The GraphQL schema<\/span>\r\nconst<\/span> typeDefs<\/span> =<\/span> gql<\/span>`\r\n  type User {\r\n    name: String!\r\n    age: Int!\r\n  }\r\n  type Query {\r\n    users: [User]\r\n  }\r\n  type Mutation {\r\n    add(name: String!, age: Int!): String\r\n  }\r\n`<\/span>;<\/span>\r\n\r\nconst<\/span> users<\/span> =<\/span> [<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User1<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 20<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User2<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 30<\/span> },<\/span>\r\n  {<\/span> name<\/span>:<\/span> '<\/span>Sample User3<\/span>'<\/span>,<\/span> age<\/span>:<\/span> 40<\/span> },<\/span>\r\n]<\/span>\r\n\r\n\/\/ A map of functions which return data for the schema.<\/span>\r\nconst<\/span> resolvers<\/span> =<\/span> {<\/span>\r\n  Query<\/span>:<\/span> {<\/span>\r\n    users<\/span>:<\/span> (<\/span>parent<\/span>,<\/span> args<\/span>,<\/span> context<\/span>,<\/span> info<\/span>)<\/span> =><\/span> {<\/span> \r\n      return<\/span> users<\/span>;<\/span>\r\n    },<\/span>\r\n  },<\/span>\r\n  Mutation<\/span>:<\/span> {<\/span>\r\n    add<\/span>:<\/span> (<\/span>parent<\/span>,<\/span> args<\/span>,<\/span> context<\/span>)<\/span> =><\/span> {<\/span>\r\n      const<\/span> u<\/span> =<\/span> {<\/span> name<\/span>:<\/span> args<\/span>.<\/span>name<\/span>,<\/span> age<\/span>:<\/span> args<\/span>.<\/span>age<\/span> };<\/span>\r\n      users<\/span>.<\/span>push<\/span>(<\/span>u<\/span>);<\/span>\r\n      return<\/span> `added <\/span>${<\/span>u<\/span>.<\/span>name<\/span>}<\/span>`<\/span>;<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n};<\/span>\r\n<\/code><\/pre>\n
                    \u5982\u679c\u9700\u8981\u6dfb\u52a0mutation\uff0c\u5b83\u7684\u8c03\u7528\u65b9\u6cd5\u5982\u4e0b\u6240\u793a\u3002\u524d\u9762\u5df2\u7ecf\u89e3\u91ca\u8fc7\uff0c\u5982\u679c\u662f\u67e5\u8be2(query)\u7684\u60c5\u51b5\u53ef\u4ee5\u7701\u7565\uff0c\u4f46\u662fmutation\u4e0d\u80fd\u7701\u7565\uff0c\u6240\u4ee5\u8be2\u95ee\u8bed\u53e5\u5fc5\u987b\u4ecemutation\u5f00\u59cb\u3002<\/p>\n
                    mutation<\/span> {<\/span>\r\n  add<\/span>(<\/span>name<\/span>:<\/span> \"Hoge\"<\/span>,<\/span> age<\/span>:<\/span> 10<\/span>)<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"add\"<\/span>:<\/span> \"added Hoge\"<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u5728\u83b7\u53d6\u7528\u6237\u65f6\uff0c\u6570\u636e\u7684\u672b\u5c3e\u4f1a\u6dfb\u52a0\u4e00\u4e2a\u540d\u4e3a{name: “Hoge”, age: 10}\u7684\u7528\u6237\u3002<\/p>\n
                    query<\/span> {<\/span>\r\n  users<\/span> {<\/span>\r\n    name<\/span>,<\/span> age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n# {<\/span>\r\n#   \"data\": {<\/span>\r\n#     \"users\": [<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User1\",<\/span>\r\n#         \"age\": 20<\/span>\r\n#       },<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User2\",<\/span>\r\n#         \"age\": 30<\/span>\r\n#       },<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Sample User3\",<\/span>\r\n#         \"age\": 40<\/span>\r\n#       },<\/span>\r\n#       {<\/span>\r\n#         \"name\": \"Hoge\",<\/span>\r\n#         \"age\": 10<\/span>\r\n#       }<\/span>\r\n#     ]<\/span>\r\n#   }<\/span>\r\n# }<\/span>\r\n<\/code><\/pre>\n
                    \u5728\u672c\u6b21\u7684\u5b9e\u73b0\u4e2d\uff0c\u7528\u6237\u6570\u636e\u6ca1\u6709\u88ab\u6301\u4e45\u5316\uff0c\u6240\u4ee5\u5982\u679c\u91cd\u65b0\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u65b0\u589e\u7684\u6570\u636e\u4f1a\u6062\u590d\u5230\u539f\u59cb\u72b6\u6001\u3002\u4f46\u662f\uff0c\u5982\u679c\u5c06\u8fd9\u4e9b\u6570\u636e\u4fdd\u5b58\u5e76\u6c38\u4e45\u5316\u5728\u5916\u90e8\u6587\u4ef6\u6216\u6570\u636e\u5e93\u4e2d\uff0c\u5373\u4f7f\u91cd\u65b0\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u65b0\u589e\u7684\u6570\u636e\u4e5f\u4f1a\u7ee7\u7eed\u4fdd\u7559\u4e0b\u6765\u3002<\/p>\n
                    \u65e0\u8bba\u662f\u66f4\u65b0\u8fd8\u662f\u5220\u9664\uff0c\u53ea\u9700\u901a\u8fc7\u4e0d\u540c\u7684\u89e3\u6790\u5668\u5b9e\u73b0\u53d8\u5f02\uff0c\u65b9\u6cd5\u90fd\u662f\u76f8\u540c\u7684\u3002<\/p>\n
                    \u83b7\u5f97\u6709\u5173\u53d1\u5c55\u6570\u636e\u7684\u65b9\u6cd5<\/h1>\n
                    \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u770b\u4e00\u4e0b\u5b9e\u9645\u4e0a\u53ef\u80fd\u9047\u5230\u7684\u7a0d\u5fae\u590d\u6742\u7684GraphQL\u67e5\u8be2\u4f1a\u600e\u6837\u53d1\u5c55\u3002<\/p>\n
                    \u4f7f\u7528\u4e00\u6b21\u67e5\u8be2\u83b7\u53d6\u591a\u4e2a\u6570\u636e<\/h2>\n
                    \u5982\u679c\u5728\u67e5\u8be2\u4e2d\u5217\u4e3e\u4e86\u591a\u4e2a\u67e5\u8be2\u9879\uff0c\u53ef\u4ee5\u5728\u4e00\u6b21\u8bf7\u6c42\u4e2d\u83b7\u53d6\u5b83\u4eec\u3002<\/p>\n
                    query<\/span> {<\/span>\r\n  hello<\/span>,<\/span>\r\n  users<\/span> {<\/span> name<\/span> },<\/span>\r\n  users<\/span> {<\/span> age<\/span> }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"hello\"<\/span>:<\/span> \"world\"<\/span>,<\/span>\r\n    \"users\"<\/span>:<\/span> [<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User1\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 20<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User2\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 30<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"name\"<\/span>:<\/span> \"Sample User3\"<\/span>,<\/span>\r\n        \"age\"<\/span>:<\/span> 40<\/span>\r\n      }<\/span>\r\n    ]<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u6307\u5b9a\u8fd4\u56de\u503c\u5b57\u6bb5\u7684\u540d\u79f0 (\u522b\u540d)<\/h2>\n
                    \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd4\u56de\u503c\u7684\u7ed3\u679c\u88ab\u8bbe\u7f6e\u5728\u540d\u4e3a data \u7684\u5bf9\u8c61\u5185\uff0c\u4e0e\u67e5\u8be2\u540d\u79f0\u76f8\u540c\u7684\u5b57\u6bb5\u4e2d\u3002\u7136\u800c\uff0c\u5728GraphQL\u4e2d\uff0c\u8c03\u7528\u65b9\u53ef\u4ee5\u6307\u5b9a\u5b57\u6bb5\u540d\u3002\u5728GraphQL\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u8fd9\u88ab\u79f0\u4e3a\u522b\u540d\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u7528\u6cd5\u793a\u4f8b\u3002<\/p>\n
                    {<\/span>\r\n  names<\/span>:<\/span> users<\/span> {<\/span> AreYou<\/span>:<\/span> name<\/span> },<\/span>\r\n  ages<\/span>:<\/span> users<\/span> {<\/span> Age<\/span>:<\/span> age<\/span> }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"names\"<\/span>:<\/span> [<\/span>\r\n      {<\/span>\r\n        \"AreYou\"<\/span>:<\/span> \"Sample User1\"<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"AreYou\"<\/span>:<\/span> \"Sample User2\"<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"AreYou\"<\/span>:<\/span> \"Sample User3\"<\/span>\r\n      }<\/span>\r\n    ],<\/span>\r\n    \"ages\"<\/span>:<\/span> [<\/span>\r\n      {<\/span>\r\n        \"Age\"<\/span>:<\/span> 20<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"Age\"<\/span>:<\/span> 30<\/span>\r\n      },<\/span>\r\n      {<\/span>\r\n        \"Age\"<\/span>:<\/span> 40<\/span>\r\n      }<\/span>\r\n    ]<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u7ed9\u5b57\u6bb5\u5185\u90e8\u7684\u503c\u6dfb\u52a0\u53e6\u4e00\u4e2a\u522b\u540d\u3002<\/p>\n
                    \u5f53\u6709\u4e00\u4e2a\u540d\u4e3afindUser\u7684\u67e5\u8be2\u65f6\uff0c\u4f5c\u4e3a\u4e00\u79cd\u65b9\u6cd5\uff0c\u7528\u6237\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u65b9\u4fbf\u7684\u540d\u79f0\uff0c\u5982loginUser: findUser(…)\uff0c\u4ee5\u589e\u52a0\u7528\u6237\u5728\u547d\u540d\u65b9\u9762\u7684\u81ea\u7531\u3002<\/p>\n
                    \u83b7\u53d6\u76f8\u540c\u7c7b\u578b\u7684\u503c (\u7247\u6bb5)<\/h2>\n
                    \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u8003\u8651\u4ee5\u4e0b\u79cd\u7c7b\u7684\u67e5\u8be2\u3002<\/p>\n
                    {<\/span>\r\n  user<\/span>:<\/span> user<\/span> (<\/span>name<\/span>:<\/span> \"Sample User1\"<\/span>)<\/span> {<\/span> name<\/span>,<\/span> age<\/span> },<\/span>\r\n  bestFriend<\/span>:<\/span> user<\/span>(<\/span>name<\/span>:<\/span> \"Sample User2\"<\/span>)<\/span> {<\/span>name<\/span>,<\/span> age<\/span>}<\/span>\r\n}<\/span>\r\n# {<\/span>\r\n#   \"data\": {<\/span>\r\n#     \"user\": {<\/span>\r\n#       \"name\": \"Sample User1\",<\/span>\r\n#       \"age\": 20<\/span>\r\n#     },<\/span>\r\n#     \"bestFriend\": {<\/span>\r\n#       \"name\": \"Sample User2\",<\/span>\r\n#       \"age\": 30<\/span>\r\n#     }<\/span>\r\n#   }<\/span>\r\n# }<\/span>\r\n<\/code><\/pre>\n
                    \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4ece\u540c\u4e00\u4e2a\u89e3\u6790\u5668\uff08resolver\uff09\u4e2d\u83b7\u53d6\u503c\u3002\u5728\u8fd4\u56de\u503c\u7684\u6307\u5b9a\u4e2d\uff0c\u6211\u4eec\u5199\u4e86name\u548cage\u3002\u867d\u7136\u76ee\u524d\u53ea\u6709\u4e24\u4e2a\u5b57\u6bb5\uff0c\u53ef\u80fd\u8fd8\u53ef\u4ee5\u63a5\u53d7\uff0c\u4f46\u5982\u679c\u5b57\u6bb5\u548c\u9879\u76ee\u589e\u52a0\u4e86\uff0c\u6211\u4eec\u65e0\u6cd5\u4e00\u773c\u770b\u51fa\u662f\u5426\u5c1d\u8bd5\u83b7\u53d6\u76f8\u540c\u7684\u5b57\u6bb5\uff0c\u800c\u4e14\u5982\u679c\u6709\u4fee\u6539\u7684\u8bdd\u4f1a\u53d8\u5f97\u5f88\u9ebb\u70e6\u3002<\/p>\n
                    \u4f5c\u4e3a\u8fd9\u79cd\u60c5\u51b5\u4e0b\u7684\u5e38\u89c1\u89e3\u51b3\u65b9\u6cd5\uff0c\u6709\u4e00\u79cd\u53eb\u505aFragment\u7684\u65b9\u6cd5\u3002\u4e0a\u8ff0\u67e5\u8be2\u53ef\u4ee5\u88ab\u66ff\u6362\u4e3a\u4ee5\u4e0b\u65b9\u5f0f\uff1a<\/p>\n
                    {<\/span>\r\n  user<\/span>:<\/span> user<\/span> (<\/span>name<\/span>:<\/span> \"Sample User1\"<\/span>)<\/span> {<\/span> ...<\/span>userField<\/span> },<\/span>\r\n  bestFriend<\/span>:<\/span> user<\/span>(<\/span>name<\/span>:<\/span> \"Sample User2\"<\/span>)<\/span> {<\/span> ...<\/span>userField<\/span> }<\/span>\r\n}<\/span>\r\n\r\nfragment<\/span> userField<\/span> on<\/span> User<\/span> {<\/span>\r\n  name<\/span>,<\/span> age<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                    \u67e5\u8be2\u53d8\u91cf\u548c\u53d8\u91cf\u5c55\u5f00<\/h2>\n
                    \u8fc4\u4eca\u4e3a\u6b62\uff0c\u5728\u8c03\u7528\u67e5\u8be2\u65f6\uff0c\u6211\u4eec\u4e00\u76f4\u53d1\u9001\u5305\u542b\u5177\u4f53\u503c\u7684\u67e5\u8be2\u8bed\u53e5\uff08\u5982\uff1auser(name: “Sample User1”)\uff09\u3002\u7136\u800c\uff0c\u5982\u679c\u6211\u4eec\u8bd5\u56fe\u57fa\u4e8e\u7528\u6237\u7684\u8f93\u5165\u7b80\u5355\u5730\u62fc\u63a5\u67e5\u8be2\u8bed\u53e5\u6765\u81ea\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u8c03\u7528\u67e5\u8be2\uff0c\u5219\u4f1a\u51fa\u73b0\u4ee5\u4e0b\u95ee\u9898\u3002<\/p>\n
                      \n
                    • \n
                        \u5165\u529b\u6b21\u7b2c\u3067\u30af\u30a8\u30ea\u304c\u6210\u7acb\u3057\u306a\u304f\u306a\u308b<\/ul>\n<\/li>\n<\/ul>\n
                         <\/p>\n
                          \u5165\u529b\u5185\u5bb9\u306b\u3088\u308a\u65e2\u5b58\u306e\u69cb\u6587\u3092\u6539\u3056\u3093\u3057 \u95a2\u4fc2\u306a\u3044\u30af\u30a8\u30ea\/\u30df\u30e5\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u767a\u884c\u3067\u304d\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b (=SQL Injection\u3068\u540c\u3058\u3088\u3046\u306a\u3053\u3068\u304c\u8d77\u3053\u308b)<\/ul>\n
                          \u5728GraphQL\u4e2d\uff0c\u6709\u4e00\u79cd\u5c06\u67e5\u8be2\u5206\u89e3\u4e3a\u201c\u8bed\u6cd5\u201d\u548c\u201c\u53d8\u91cf\u201d\u7684\u89e3\u51b3\u65b9\u6cd5\u3002\u5728\u8bed\u6cd5\u4e2d\uff0c\u5b9a\u4e49\u4ee5$\u5f00\u5934\u7684\u53d8\u91cf\uff0c\u5728\u6267\u884c\u65f6\u4f1a\u5c06\u4f20\u9012\u7684\u53d8\u91cf\u8fdb\u884c\u5c55\u5f00\u3002\u5bf9\u4e8e\u719f\u6089SQL\u7684\u4eba\u6765\u8bf4\uff0c\u53ef\u4ee5\u5c06\u5176\u7406\u89e3\u4e3a\u5360\u4f4d\u7b26\u8bed\u6cd5\uff08\u4f8b\u5982\uff0c\u5728\u53d8\u91cf\u4f4d\u7f6e\u63d2\u5165$?\u7b49\uff0c\u5c06\u5c55\u5f00\u53c2\u6570\u4f5c\u4e3aSQL\u6a21\u677f\u7684\u989d\u5916\u53c2\u6570\u4f20\u9012\u7ed9\u51fd\u6570\u6267\u884c\u7684\u673a\u5236\uff09\uff0c\u8fd9\u6837\u53ef\u80fd\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n
                          \u5982\u679c\u4f7f\u7528Apollo Server\uff0c\u53ef\u4ee5\u5728\u5c4f\u5e55\u5de6\u4e0b\u89d2\u8f93\u5165\u67e5\u8be2\u53d8\u91cf\uff0c\u5e76\u4e14\u9700\u8981\u7528JSON\u683c\u5f0f\u8f93\u5165\u3002<\/p>\n
                          \"SnapCrab_NoName_2021-9-5_18-8-58_No-00.png\"<\/div>\n
                          \u91cd\u65b0\u8f38\u5165\u5148\u524d\u5728\u63a7\u5236\u53f0\u4e2d\u6240\u5beb\u7684\u5167\u5bb9\u3002<\/p>\n
                          query<\/span> (<\/span>$name<\/span>:<\/span> String<\/span>!){<\/span>\r\n  user<\/span>(<\/span>name<\/span>:<\/span> $name<\/span>)<\/span> {<\/span>\r\n    name<\/span>,<\/span> age<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                          {<\/span>\r\n  \"name\"<\/span>:<\/span> \"Sample User1\"<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                          {<\/span>\r\n  \"data\"<\/span>:<\/span> {<\/span>\r\n    \"user\"<\/span>:<\/span> {<\/span>\r\n      \"name\"<\/span>:<\/span> \"Sample User1\"<\/span>,<\/span>\r\n      \"age\"<\/span>:<\/span> 20<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                          \u5173\u4e8e\u6570\u636e\u7c7b\u578b\u7684\u9012\u5f52\u5b9a\u4e49<\/h2>\n
                          \u5728GraphQL\u4e2d\uff0c\u65e0\u6cd5\u9012\u5f52\u5b9a\u4e49\u7c7b\u578b\u3002\u56e0\u6b64\uff0c\u4f8b\u5982\u65e0\u6cd5\u5728\u7c7b\u578b\u4e2d\u521b\u5efa\u5faa\u73af\u4f9d\u8d56\uff0c\u5982\u4e0b\u9762\u7684friends\u3002<\/p>\n
                          type<\/span> User<\/span> {<\/span>\r\n    name<\/span>:<\/span> String<\/span>!<\/span>\r\n    age<\/span>:<\/span> Int<\/span>!<\/span>\r\n    friends<\/span>:<\/span> [<\/span>User<\/span>]<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                          \u6982\u62ec\u8d77\u6765<\/h1>\n
                          \u6211\u5b9e\u73b0\u4e86Apollo\u7684\u89e3\u6790\u5668\uff0c\u5e76\u89e3\u91ca\u4e86\u6267\u884cCRUD\u64cd\u4f5c\u7684\u5b9e\u73b0\u65b9\u6cd5\u548c\u5b9e\u9645\u8bed\u6cd5\uff08Fragrment\uff0cVariables\uff09\u65f6\u53d1\u51fa\u7684\u67e5\u8be2\u3002\u901a\u8fc7\u5b9e\u9645\u64cd\u4f5c\uff0c\u6211\u8ba4\u4e3a\u6211\u5df2\u7ecf\u7406\u89e3\u4e86\u57fa\u672c\u7684GraphQL\u4f7f\u7528\u548c\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                          \u9996\u5148 \u56e0\u4e3a\u6700\u7ec8\u60f3\u8981\u4f7f\u7528AWS AppSync\uff0c\u6240\u4ee5\u5927\u81f4\u6d4f\u89c8\u4e86\u4e00\u4e0bGraphQL\u548cAppSync\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4f46\u771f […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48043","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u9010\u6b65\u52a8\u624b\u7406\u89e3GraphQL. - 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\/\u9010\u6b65\u52a8\u624b\u7406\u89e3graphql\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u9010\u6b65\u52a8\u624b\u7406\u89e3GraphQL.\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u56e0\u4e3a\u6700\u7ec8\u60f3\u8981\u4f7f\u7528AWS AppSync\uff0c\u6240\u4ee5\u5927\u81f4\u6d4f\u89c8\u4e86\u4e00\u4e0bGraphQL\u548cAppSync\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4f46\u771f […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u9010\u6b65\u52a8\u624b\u7406\u89e3graphql\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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