{"id":47673,"date":"2024-01-02T03:19:29","date_gmt":"2023-07-24T11:49:14","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8go%e8%af%ad%e8%a8%80%e5%88%9b%e5%bb%bagraphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/"},"modified":"2024-05-04T16:24:38","modified_gmt":"2024-05-04T08:24:38","slug":"%e4%bd%bf%e7%94%a8go%e8%af%ad%e8%a8%80%e5%88%9b%e5%bb%bagraphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8go%e8%af%ad%e8%a8%80%e5%88%9b%e5%bb%bagraphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Go\u8bed\u8a00\u521b\u5efaGraphQL\u670d\u52a1\u5668"},"content":{"rendered":"

\u6211\u4eec\u5c06\u4ee5\u5b9e\u8df5\u7684\u65b9\u5f0f\u4ecb\u7ecd\u4f7f\u7528Go\u6784\u5efaGraphQL\u670d\u52a1\u5668\u7684\u57fa\u7840\u77e5\u8bc6\u3002\u5b8c\u6574\u7248\u672c\u5df2\u7ecf\u53d1\u5e03\u5728GitHub\u4e0a\u3002<\/p>\n

GraphQL\u7684\u6982\u8ff0<\/h2>\n

GraphQL\u662f\u4ec0\u4e48\uff1f<\/h3>\n

GraphQL\u662fFacebook\u521b\u5efa\u7684API\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4ece\u5b98\u65b9\u7f51\u9875\u5f15\u7528\u7684\u5185\u5bb9\u3002<\/p>\n

GraphQL\u662f\u4e00\u79cd\u7528\u4e8eAPI\u7684\u67e5\u8be2\u8bed\u8a00\uff0c\u5b83\u662f\u7528\u670d\u52a1\u5668\u7aef\u8fd0\u884c\u73af\u5883\u6765\u6267\u884c\u67e5\u8be2\u7684\uff0c\u901a\u8fc7\u5b9a\u4e49\u7684\u7c7b\u578b\u7cfb\u7edf\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u67e5\u8be2\u3002<\/p>\n

GraphQL\u7684\u4f7f\u7528\u65b9\u6cd5<\/h3>\n

\u5047\u8bbe\u6709\u4e0b\u9762\u7684GraphQL\u6a21\u5f0f\u3002<\/p>\n

type<\/span> Query<\/span> {<\/span>\r\n  me<\/span>:<\/span> User<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> User<\/span> {<\/span>\r\n  id<\/span>:<\/span> ID<\/span>\r\n  name<\/span>:<\/span> String<\/span>\r\n  profileUrl<\/span>:<\/span> String<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u7c7b\u578b\u7684GraphQL\u67e5\u8be2\u3002\u8be5\u67e5\u8be2\u53ef\u4ee5\u662fHTTP\u7684POST\u6216GET\u8bf7\u6c42\u3002\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u4f7f\u7528GraphQL\u5ba2\u6237\u7aef\u5e93\uff0c\u5982Apollo\u6216Relay\uff0c\u800c\u4e0d\u662f\u539f\u59cb\u7684HTTP\u8bf7\u6c42\u6765\u6267\u884c\u8bf7\u6c42\u3002<\/p>\n
\u67e5\u8be2<\/p>\n
{<\/span>\r\n  me<\/span> {<\/span>\r\n    id<\/span>\r\n    name<\/span>\r\n    profileUrl<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u56de\u5e94<\/p>\n
{\r\n  \"me\": {\r\n    \"id\": \"user:123456\"\r\n    \"name\": \"\u7530\u4e2d\u592a\u90ce\"\r\n    \"profileUrl\": \"https:\/\/xxx.yyy.zzz\/...\"\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u4f5c\u4e3aGraphQL\u7684\u7279\u70b9\u4e4b\u4e00\uff0c\u60a8\u53ef\u4ee5\u7b5b\u9009\u54cd\u5e94\u4e2d\u7684\u5b57\u6bb5\u3002<\/p>\n
\u6839\u636e\u54cd\u5e94\u5b57\u6bb5\u7f29\u5c0f\u67e5\u8be2\u8303\u56f4\u3002<\/p>\n
{<\/span>\r\n  me<\/span> {<\/span>\r\n    name<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
GraphQL\u7684\u4f18\u70b9<\/h3>\n
    \n
  1. \n
      \u7531\u4e8e\u53ef\u4ee5\u6307\u5b9a\u54cd\u5e94\u5b57\u6bb5\uff0c\u53ef\u4ee5\u907f\u514d\u8fc7\u5ea6\u83b7\u53d6\u6216\u4e0d\u8db3\u83b7\u53d6\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          \u6709\u7c7b\u578b\u3002<\/ol>\n<\/li>\n<\/ol>\n
           <\/p>\n
            \n
          1. \n
              \u50cfApollo\u8fd9\u6837\u7684GraphQL\u5ba2\u6237\u7aef\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5c06\u67e5\u8be2\u7ed3\u679c\u5f88\u597d\u5730\u7f13\u5b58\u5230\u672c\u5730\u3002<\/ol>\n<\/li>\n<\/ol>\n
               <\/p>\n
                \u53ef\u4ee5\u5728\u4e00\u4e2a\u8bf7\u6c42\u4e2d\u5305\u542b\u591a\u4e2a\u67e5\u8be2\u6216\u66f4\u65b0\u64cd\u4f5c\u3002<\/ol>\n
                \u4e2a\u4eba\u800c\u8a00\uff0c\u6211\u8ba4\u4e3a\u80fd\u591f\u6307\u5b9a\u54cd\u5e94\u5b57\u6bb5\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u70b9\u3002\u5728\u62e5\u6709\u79fb\u52a8\u5e94\u7528\u548cWeb\u524d\u7aef\u7684\u60c5\u51b5\u4e0b\uff0c\u65e0\u9700\u4e3a\u6bcf\u4e2a\u573a\u666f\u90fd\u51c6\u5907API\u6216\u521b\u5efa\u72ec\u7279\u7684\u5b57\u6bb5\u6307\u5b9a\u673a\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e24\u79cd\u7528\u4f8b\u4e2d\u8fd4\u56de\u6070\u5230\u597d\u5904\u7684\u54cd\u5e94\u3002<\/p>\n
                \u4f7f\u7528Go\u8bed\u8a00\u6784\u5efaGraphQL\u670d\u52a1\u5668<\/h2>\n
                \u4ece\u8fd9\u91cc\u5f00\u59cb\uff0c\u6211\u4eec\u5c06\u521b\u5efaGo\u7684GraphQL\u670d\u52a1\u5668\u3002<\/p>\n
                \u4f7f\u7528\u7684\u5e93\uff1agqlgen<\/h3>\n
                \u6211\u4eec\u8981\u4f7f\u7528\u4e00\u4e2a\u540d\u4e3agqlgen\u7684\u5e93\u3002<\/p>\n
                GraphQL\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u5e93\u53ef\u4ee5\u6839\u636e\u4ee3\u7801\u4f18\u5148\u548c\u6a21\u5f0f\u4f18\u5148\u6765\u8fdb\u884c\u5927\u81f4\u5212\u5206\u3002gqlgen\u88ab\u5f52\u7c7b\u4e3a\u6a21\u5f0f\u4f18\u5148\u3002\u4f7f\u7528gqlgen\u7684\u539f\u56e0\u662f\u56e0\u4e3a\u5b83\u662fGo\u4e2d\u6700\u53d7\u6b22\u8fce\u7684\u6a21\u5f0f\u4f18\u5148\u7684GraphQL\u5e93\uff0c\u5e76\u4e14\u7b26\u5408\u6211\u4e2a\u4eba\u7684\u7279\u70b9\u3002<\/p>\n
                \u4f7f\u7528gqlgen\u5f00\u53d1GraphQL\u7684\u6d41\u7a0b\u5982\u4e0b\u3002<\/p>\n
                  \u751f\u6210\u7684\u89e3\u6790\u5668\u6a21\u677f\u8fdb\u884c\u5b9e\u73b0<\/ol>\n
                  \u8fd0\u884cGraphQL\u670d\u52a1\u5668<\/h3>\n
                  \u9996\u5148\uff0c\u8bf7\u6309\u7167gqlgen\u7684\u201c\u5165\u95e8\u6307\u5357\u201d\u8fdb\u884c\u64cd\u4f5c\u3002\u4e4b\u540e\u7684\u8bf4\u660e\u90fd\u662f\u57fa\u4e8e\u5df2\u5b8c\u6210\u201c\u5165\u95e8\u6307\u5357\u201d\u7684\u524d\u63d0\u8fdb\u884c\u7684\u3002<\/p>\n
                  N+1\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6cd5<\/h2>\n
                  \u5b8c\u6210gqlgen\u7684\u5165\u95e8\u540e\uff0c\u5e94\u8be5\u80fd\u591f\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6Todo\u7684\u5217\u8868\u3002<\/p>\n
                  query<\/span> findTodos<\/span> {<\/span>\r\n  todos<\/span> {<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n    user<\/span> {<\/span>\r\n      name<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                  \u5f53\u524d\u60c5\u51b5\u4e0b\uff0c\u6b64\u67e5\u8be2\u5c06\u5728\u83b7\u53d6\u5f85\u529e\u4e8b\u9879\u5217\u8868\u540e\uff0c\u9488\u5bf9\u6bcf\u4e2a\u5f85\u529e\u4e8b\u9879\u83b7\u53d6\u767b\u8bb0\u8005\u7684\u4fe1\u606f\u3002\u5982\u679c\u5f85\u529e\u4e8b\u9879\u5217\u8868\u7684\u6570\u91cf\u4e3a5\u4e2a\uff0c\u5219\u5f85\u529e\u4e8b\u9879\u5217\u8868\u5904\u7406\u5c06\u6267\u884c1\u6b21\uff0c\u7528\u6237\u83b7\u53d6\u5904\u7406\u5c06\u6267\u884c5\u6b21\u3002\u5728\u7528\u6237\u83b7\u53d6\u5904\u7406\u4e2d\uff0c\u6267\u884cRDB\u7684SELECT\u64cd\u4f5c\u6216\u8c03\u7528\u5176\u4ed6\u670d\u52a1\u7684Get API\uff0c\u4f1a\u51fa\u73b0\u6240\u8c13\u7684N+1\u95ee\u9898\u3002<\/p>\n
                  \u6570\u636e\u52a0\u8f7d\u5668<\/h3>\n
                  \u4e3a\u4e86\u89e3\u51b3GraphQL\u7684N+1\u95ee\u9898\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528dataloader\u3002dataloader\u662f\u4e00\u4e2a\u53ef\u4ee5\u5c06\u591a\u4e2a\u6570\u636e\u8bf7\u6c42\u5408\u5e76\u4e3a\u4e00\u4e2a\u8bf7\u6c42\u7684\u5e93\u3002<\/p>\n
                  \u6709\u540d\u7684Go\u88fd\u6570\u636e\u52a0\u8f7d\u5668\u6709\u4e24\u4e2a\u9009\u9879\u3002<\/p>\n
                  graph-gophers\/dataloader<\/p>\n
                  \u30b3\u30fc\u30c9\u751f\u6210\u3092\u3057\u306a\u3044\u65b9\u5f0f\u3067\u3059
                  \n\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3068\u304d\u306b\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308bkey\u3092\u6307\u5b9a\u3057\u3001\u7d50\u679c\u306fResult[V any]\u306b\u683c\u7d0d\u3057\u3066\u8fd4\u3057\u307e\u3059\u3002
                  \nkey\u306b\u306f\u3001int\u3084string\u306a\u3069\u306ecomparable\u306a\u578b\u304c\u4f7f\u3048\u307e\u3059<\/p>\n
                  vektah\/dataloaden<\/p>\n
                  gqlgen\u3068\u540c\u3058\u4f5c\u8005\u3067\u3059
                  \nModel\u3054\u3068\u306bdataloader\u306e\u30b3\u30fc\u30c9\u3092\u751f\u6210\u3059\u308b\u65b9\u5f0f\u3067\u3059
                  \n\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3068\u304d\u306b\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u3092\u4e00\u610f\u306b\u8b58\u5225\u3059\u308bkey\u3092\u6307\u5b9a\u3057\u3001\u53d6\u5f97\u7d50\u679c\u306f\u53d6\u5f97\u5bfe\u8c61\u306e\u30c7\u30fc\u30bf\u306e\u578b\u306e\u5909\u6570\u306b\u683c\u7d0d\u3057\u3066\u8fd4\u3057\u307e\u3059
                  \nkey\u306b\u306f\u3001int\u3084string\u306a\u3069\u306ecomparable\u306a\u578b\u304c\u4f7f\u3048\u307e\u3059<\/p>\n
                  \u6211\u8a8d\u70ba\u524d\u8005\u66f4\u5bb9\u6613\u4f7f\u7528\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4e5f\u6703\u4f7f\u7528\u524d\u8005\u3002<\/p>\n
                  \u4f7f\u7528\u6570\u636e\u52a0\u8f7d\u5668\u5b9e\u73b0\u6570\u636e\u83b7\u53d6\u5904\u7406<\/h3>\n
                  \u56fe\/\u6570\u636e\u52a0\u8f7d\u5668.go<\/h4>\n
                  \u8bf7\u521b\u5efa\u4e00\u4e2a\u540d\u4e3agraph\/dataloaders.go\u7684\u6587\u4ef6\uff0c\u5e76\u5199\u4e0b\u4ee5\u4e0b\u4ee3\u7801\u3002<\/p>\n
                  package<\/span> graph<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n\t\"context\"<\/span>\r\n\t\"fmt\"<\/span>\r\n\t\"github.com\/graph-gophers\/dataloader\/v7\"<\/span>\r\n\t\"github.com\/kamikazezirou\/gql-example\/graph\/model\"<\/span>\r\n\t\"net\/http\"<\/span>\r\n)<\/span>\r\n\r\ntype<\/span> Loaders<\/span> struct<\/span> {<\/span>\r\n\tUserById<\/span> *<\/span>dataloader<\/span>.<\/span>Loader<\/span>[<\/span>string<\/span>,<\/span> *<\/span>model<\/span>.<\/span>User<\/span>]<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> Middleware<\/span>(<\/span>next<\/span> http<\/span>.<\/span>Handler<\/span>)<\/span> http<\/span>.<\/span>Handler<\/span> {<\/span>\r\n\treturn<\/span> http<\/span>.<\/span>HandlerFunc<\/span>(<\/span>func<\/span>(<\/span>w<\/span> http<\/span>.<\/span>ResponseWriter<\/span>,<\/span> r<\/span> *<\/span>http<\/span>.<\/span>Request<\/span>)<\/span> {<\/span>\r\n\t\tctx<\/span> :=<\/span> context<\/span>.<\/span>WithValue<\/span>(<\/span>r<\/span>.<\/span>Context<\/span>(),<\/span> loadersKey<\/span>,<\/span> &<\/span>Loaders<\/span>{<\/span>\r\n\t\t\tUserById<\/span>:<\/span> dataloader<\/span>.<\/span>NewBatchedLoader<\/span>(<\/span>func<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> userIds<\/span> []<\/span>string<\/span>)<\/span> []<\/span>*<\/span>dataloader<\/span>.<\/span>Result<\/span>[<\/span>*<\/span>model<\/span>.<\/span>User<\/span>]<\/span> {<\/span>\r\n\t\t\t\tfmt<\/span>.<\/span>Println<\/span>(<\/span>\"batch get users:\"<\/span>,<\/span> userIds<\/span>)<\/span>\r\n\r\n\t\t\t\t\/\/ \u30e6\u30fc\u30b6ID\u306e\u30ea\u30b9\u30c8\u304b\u3089\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u53d6\u5f97\u3059\u308b<\/span>\r\n\t\t\t\t\/\/ \u30b5\u30f3\u30d7\u30eb\u5b9f\u88c5\u306a\u306e\u3067\u9069\u5f53\u306a\u5024\u3092\u8fd4\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u5b9f\u88c5\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span>\r\n\t\t\t\t\/\/   - \"SELECT * FROM users WHERE id IN (id1, id2, id3, ...)\"\u306e\u3088\u3046\u306aSQL\u3067DB\u304b\u3089\u30e6\u30fc\u30b6\u60c5\u5831\u3092\u4e00\u62ec\u53d6\u5f97\u3059\u308b<\/span>\r\n\t\t\t\t\/\/   - \u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u306eBatch Read API\u3092\u547c\u3076<\/span>\r\n\t\t\t\t\/\/ \u305d\u308c\u3067N+1\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span>\r\n\t\t\t\tresults<\/span> :=<\/span> make<\/span>([]<\/span>*<\/span>dataloader<\/span>.<\/span>Result<\/span>[<\/span>*<\/span>model<\/span>.<\/span>User<\/span>],<\/span> len<\/span>(<\/span>userIds<\/span>))<\/span>\r\n\t\t\t\tfor<\/span> i<\/span>,<\/span> id<\/span> :=<\/span> range<\/span> userIds<\/span> {<\/span>\r\n\t\t\t\t\tresults<\/span>[<\/span>i<\/span>]<\/span> =<\/span> &<\/span>dataloader<\/span>.<\/span>Result<\/span>[<\/span>*<\/span>model<\/span>.<\/span>User<\/span>]{<\/span>\r\n\t\t\t\t\t\tData<\/span>:<\/span>  &<\/span>model<\/span>.<\/span>User<\/span>{<\/span>ID<\/span>:<\/span> id<\/span>,<\/span> Name<\/span>:<\/span> \"user \"<\/span> +<\/span> id<\/span>},<\/span>\r\n\t\t\t\t\t\tError<\/span>:<\/span> nil<\/span>,<\/span>\r\n\t\t\t\t\t}<\/span>\r\n\t\t\t\t}<\/span>\r\n\r\n\t\t\t\treturn<\/span> results<\/span>\r\n\t\t\t}),<\/span>\r\n\t\t})<\/span>\r\n\t\tr<\/span> =<\/span> r<\/span>.<\/span>WithContext<\/span>(<\/span>ctx<\/span>)<\/span>\r\n\t\tnext<\/span>.<\/span>ServeHTTP<\/span>(<\/span>w<\/span>,<\/span> r<\/span>)<\/span>\r\n\t})<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> contextKey<\/span> int<\/span>\r\n\r\nvar<\/span> loadersKey<\/span> contextKey<\/span>\r\n\r\nfunc<\/span> ctxLoaders<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>)<\/span> *<\/span>Loaders<\/span> {<\/span>\r\n\treturn<\/span> ctx<\/span>.<\/span>Value<\/span>(<\/span>loadersKey<\/span>)<\/span>.<\/span>(<\/span>*<\/span>Loaders<\/span>)<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
                  \u4ee5\u4e0b\u662f\u5b9e\u65bd\u7684\u91cd\u70b9\u3002<\/p>\n
                    \n
                  • \n
                      dataloader\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u306estruct Loaders\u3092\u5b9a\u7fa9\u3057\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n
                      \u30b5\u30f3\u30d7\u30eb\u3067\u306f1\u3064\u3057\u304bdataloader\u304c\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u3067\u306f\u8907\u6570\u306edataloader\u3092\u6301\u3064\u3053\u3068\u306b\u306a\u308b\u306e\u3067\u3001\u96c6\u7d04\u3059\u308bstruct\u3092\u4f5c\u3063\u3066\u3044\u307e\u3059<\/p>\n
                      net\/http\u306ehttp.Handler\u306einterceptor\u3092\u4f5c\u308a\u3001\u3053\u306e\u4e2d\u3067Loaders\u3092\u4f5c\u6210\u3057\u3066http.Request\u306eContext\u306b\u57cb\u3081\u8fbc\u307f\u307e\u3059<\/p>\n
                      GraphQL\u306f\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u666e\u901a\u306ehttp\u306a\u306e\u3067\u3001\u30b5\u30fc\u30d0\u3082net\/http\u3067\u5b9f\u73fe\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30ea\u30be\u30eb\u30d0\u306e\u51e6\u7406\u306e\u524d\u306bdataloader\u3092\u4f5c\u6210\u3057\u305f\u3044\u306e\u3067\u3001interceptor\u3068\u3057\u3066\u5b9f\u88c5\u3057\u307e\u3059\u3002<\/p>\n
                      Loaders\u3092\u4f5c\u308b\u969b\u3001NewBatchedLoader\u3067\u30e6\u30fc\u30b6\u60c5\u5831\u306edataloader Loader\u3092\u4f5c\u308a\u307e\u3059
                      \nNewBatchedLoader\u306e\u5f15\u6570\u306f\u95a2\u6570\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u306e\u95a2\u6570\u306e\u4e2d\u3067DB\u304b\u3089\u306eRead\u306a\u308a\u3001\u4ed6\u306e\u30b5\u30fc\u30d3\u30b9\u306eBach Read API\u3092\u5b9f\u884c\u3059\u308b\u306a\u308a\u3057\u307e\u3059\u3002
                      \ncontext\u304b\u3089Loaders\u3092\u53d6\u308a\u51fa\u305b\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u304d\u307e\u3059<\/p>\n
                      \u6700\u540e\uff0c\u8bf7\u5728\u7f16\u5199\u5b8c\u4ee3\u7801\u540e\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n
                      go mod tidy\r\n<\/code><\/pre>\n
                      \u670d\u52a1\u5668.go<\/h4>\n
                      \u8bf7\u5c06\u8bbe\u7f6e\u6b64\u6587\u4ef6\u7684http.Handler\u7684\u90e8\u5206\u4fee\u6539\u5982\u4e0b\u3002<\/p>\n
                      \/\/ http.Handle(\"\/query\", srv)<\/span>\r\nhttp<\/span>.<\/span>Handle<\/span>(<\/span>\"\/query\"<\/span>,<\/span> graph<\/span>.<\/span>Middleware<\/span>(<\/span>srv<\/span>))<\/span>\r\n<\/code><\/pre>\n
                      \u6211\u5df2\u5c06\u5148\u524d\u521b\u5efa\u7684\u62e6\u622a\u5668\u8bbe\u7f6e\u5728GraphQL\u5904\u7406\u4ee3\u7801\u7684\u524d\u9762\u3002<\/p>\n
                      \u56fe\/\u6a21\u5f0f\u89e3\u6790\u5668\u3002go<\/h4>\n
                      \u8bf7\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0todoResolver#User()\u3002<\/p>\n
                      func<\/span> (<\/span>r<\/span> *<\/span>todoResolver<\/span>)<\/span> User<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> obj<\/span> *<\/span>model<\/span>.<\/span>Todo<\/span>)<\/span> (<\/span>*<\/span>model<\/span>.<\/span>User<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n\tthunk<\/span> :=<\/span> ctxLoaders<\/span>(<\/span>ctx<\/span>)<\/span>.<\/span>UserById<\/span>.<\/span>Load<\/span>(<\/span>ctx<\/span>,<\/span> obj<\/span>.<\/span>UserID<\/span>)<\/span>\r\n\titem<\/span>,<\/span> err<\/span> :=<\/span> thunk<\/span>()<\/span>\r\n\tif<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n\t\treturn<\/span> nil<\/span>,<\/span> err<\/span>\r\n\t}<\/span> else<\/span> {<\/span>\r\n\t\treturn<\/span> item<\/span>,<\/span> nil<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                      \u901a\u8fc7Middleware\u5c06Dataloader\u5d4c\u5165\u5230\u4e0a\u4e0b\u6587\u4e2d\u5e76\u83b7\u53d6\u5b83\uff0c\u7136\u540e\u901a\u8fc7\u5b83\u83b7\u53d6\u7528\u6237\u4fe1\u606f\u3002\u5728\u8c03\u7528Dataloader\u65f6\uff0c\u5c06\u552f\u4e00\u6807\u8bc6\u6570\u636e\u7684\u503c\u4f5c\u4e3a\u8c03\u7528\u53c2\u6570\u4f20\u9012\u3002<\/p>\n
                      \u89c2\u5bdfdataloader\u7684\u64cd\u4f5c<\/h3>\n
                      \u8bf7\u5148\u8fd0\u884c server.go\uff0c\u7136\u540e\u5728 Web \u6d4f\u89c8\u5668\u4e2d\u6253\u5f00 http:\/\/localhost:8080\/ \u5e76\u663e\u793a Playground\u3002<\/p>\n
                      \u8bf7\u6267\u884c\u4ee5\u4e0b\u7684GraphQL\u67e5\u8be2\u6765\u6ce8\u518cTodo\u6570\u636e\u3002\u6b63\u5982\u5148\u524d\u63d0\u5230\u7684\u4e00\u6837\uff0cGraphQL\u4e0eREST\u4e0d\u540c\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u8bf7\u6c42\u4e2d\u5305\u542b\u591a\u4e2a\u64cd\u4f5c\u3002<\/p>\n
                      mutation<\/span> createTodo<\/span> {<\/span>\r\n  first<\/span>:<\/span> createTodo<\/span>(<\/span>input<\/span>:<\/span> {<\/span> text<\/span>:<\/span> \"todo1\"<\/span>,<\/span> userId<\/span>:<\/span> \"1\"<\/span> })<\/span> {<\/span>\r\n    user<\/span> {<\/span>\r\n      id<\/span>\r\n    }<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n  }<\/span>\r\n  second<\/span>:<\/span> createTodo<\/span>(<\/span>input<\/span>:<\/span> {<\/span> text<\/span>:<\/span> \"todo2\"<\/span>,<\/span> userId<\/span>:<\/span> \"2\"<\/span> })<\/span> {<\/span>\r\n    user<\/span> {<\/span>\r\n      id<\/span>\r\n    }<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n  }<\/span>\r\n  third<\/span>:<\/span> createTodo<\/span>(<\/span>input<\/span>:<\/span> {<\/span> text<\/span>:<\/span> \"todo3\"<\/span>,<\/span> userId<\/span>:<\/span> \"1\"<\/span> })<\/span> {<\/span>\r\n    user<\/span> {<\/span>\r\n      id<\/span>\r\n    }<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                      \u8bf7\u5728\u6700\u540e\u6267\u884c\u4ee5\u4e0b\u7684GraphQL\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u5f85\u529e\u4e8b\u9879\u6570\u636e\u7684\u5217\u8868\u3002<\/p>\n
                      query<\/span> findTodos<\/span> {<\/span>\r\n  todos<\/span> {<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n    user<\/span> {<\/span>\r\n      name<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                      \u5728\u5f15\u5165dataloader\u4e4b\u524d\uff0c\u9700\u8981\u6267\u884c3\u6b21\u7528\u6237\u4fe1\u606f\u7684\u83b7\u53d6\u64cd\u4f5c\uff0c\u4f46\u662f\u5728\u5f15\u5165dataloader\u4e4b\u540e\uff0c\u53ef\u4ee5\u5c06\u83b7\u53d6\u591a\u4e2a\u7528\u6237\u4fe1\u606f\u7684\u64cd\u4f5c\u5408\u5e76\u4e3a\u4e00\u6b21\u3002<\/p>\n
                      \u5173\u4e8edataloader\u7684\u8865\u5145\u8bf4\u660e<\/h3>\n
                      \u5408\u5e76\u91cd\u590d\u8bf7\u6c42\u7684\u952e<\/h4>\n
                      \u8bf7\u67e5\u770bGraphQL\u670d\u52a1\u5668\u7684\u6807\u51c6\u8f93\u51fa\u3002\u5e94\u8be5\u4ee5\u4ee5\u4e0b\u65b9\u5f0f\u8f93\u51fa\u3002<\/p>\n
                      batch get users<\/span>: [<\/span>1 2]\r\n<\/code><\/pre>\n
                      “\u6279\u91cf\u83b7\u53d6\u7528\u6237\uff1a[1 2 1]”\u4e0d\u6b63\u786e\u3002\u6570\u636e\u52a0\u8f7d\u5668\u4f1a\u5c06\u91cd\u590d\u7684\u8bf7\u6c42\u952e\u503c\u8fdb\u884c\u5408\u5e76\uff0c\u6240\u4ee5\u4f1a\u53d8\u6210\u8fd9\u6837\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u83b7\u53d6\u3002<\/p>\n
                      2. \u80fd\u591f\u7f13\u5b58\u54cd\u5e94\u7684\u3002<\/h4>\n
                      \u5047\u8bbe\u6309\u7167\u4ee5\u4e0b\u6d41\u7a0b\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
                        \n
                      1. \n
                          \u63a5\u6536\u8bf7\u6c42<\/ol>\n<\/li>\n<\/ol>\n
                           <\/p>\n
                            \n
                          1. \n
                              \u4f7f\u7528dataloader\u68c0\u7d22ID\u4e3a1\u7684\u7528\u6237<\/ol>\n<\/li>\n<\/ol>\n
                               <\/p>\n
                                \n
                              1. \n
                                  \u8017\u65f6\u64cd\u4f5c<\/ol>\n<\/li>\n<\/ol>\n
                                   <\/p>\n
                                    \n
                                  1. \n
                                      \u4f7f\u7528dataloader\u68c0\u7d22ID\u4e3a1\u7684\u7528\u6237<\/ol>\n<\/li>\n<\/ol>\n
                                       <\/p>\n
                                        \u8fd4\u56de\u54cd\u5e94<\/ol>\n
                                        \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5f53\u8fdb\u884c\u7b2c\u4e8c\u6b21\u7528\u6237\u83b7\u53d6\u65f6\uff0c\u5c06\u4ece\u5185\u5b58\u7f13\u5b58\u8fd4\u56de\u503c\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u53ef\u4ee5\u901a\u8fc7\u9009\u9879\u5207\u6362\u7f13\u5b58\u7684\u64cd\u4f5c\u3002<\/p>\n
                                        3. \u5173\u4e8e\u5c06\u591a\u4e2a\u8bf7\u6c42\u5408\u5e76\u7684\u884c\u4e3a<\/h4>\n
                                        \u6570\u636e\u52a0\u8f7d\u5668\u4f1a\u5c06\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u6570\u636e\u83b7\u53d6\u8bf7\u6c42\u5408\u5e76\u6210\u4e00\u4e2a\u8bf7\u6c42\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5b83\u4f1a\u4ee516\u6beb\u79d2\u7684\u95f4\u9694\u5408\u5e76\u6570\u636e\u83b7\u53d6\u8bf7\u6c42\u3002\u5f53\u7136\uff0c\u53ef\u4ee5\u66f4\u6539\u8fd9\u4e2a\u95f4\u9694\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u6307\u5b9a\u8981\u5408\u5e76\u7684\u8bf7\u6c42\u7684\u6700\u5927\u6570\u91cf\uff0c\u9ed8\u8ba4\u4e3a1000\u4e2a\u3002<\/p>\n
                                        Schema design patterns: \u67b6\u6784\u8bbe\u8ba1\u6a21\u5f0f<\/h2>\n
                                        \u4ece\u8fd9\u91cc\u5f00\u59cb\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd3\u79cdGraphQL\u6a21\u5f0f\u8bbe\u8ba1\u7684\u6a21\u5f0f\u3002<\/p>\n
                                          \n
                                        1. \n
                                            \u67e5\u770b\u8005\u67e5\u8be2\uff1a\u83b7\u53d6\u767b\u5f55\u7528\u6237\u7684\u67e5\u8be2<\/ol>\n<\/li>\n<\/ol>\n
                                             <\/p>\n
                                              \n
                                            1. \n
                                                \u8282\u70b9\u67e5\u8be2\uff1a\u4eceID\u4e2d\u83b7\u53d6\u5df2\u5b9e\u73b0\u8282\u70b9\u7c7b\u578b\u7684\u67e5\u8be2<\/ol>\n<\/li>\n<\/ol>\n
                                                 <\/p>\n
                                                  \u8fde\u63a5\u6a21\u5f0f\uff1a\u7528\u4e8e\u5206\u9875\u7684\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/ol>\n
                                                  \u5728\u8fd9\u91cc\u4ecb\u7ecd\u7684\u6a21\u5f0f\u4e5f\u88ab\u5e94\u7528\u5728GitHub\u7684GraphQL API\u4e2d\u3002<\/p>\n
                                                  \u83b7\u53d6\u67e5\u770b\u8005\u767b\u5f55\u7528\u6237<\/h3>\n
                                                  \u4e60\u60ef\u4e0a\uff0c\u7528\u4e8e\u83b7\u53d6\u767b\u5f55\u7528\u6237\u4fe1\u606f\u7684\u67e5\u8be2\u5e94\u8be5\u88ab\u547d\u540d\u4e3a\u201cviewer\u201d\u3002\u8ba9\u6211\u4eec\u8bd5\u7740\u5b9e\u73b0\u5b83\u3002<\/p>\n
                                                  \u9996\u5148\uff0c\u8bf7\u5c06\u67b6\u6784\u7684\u53d8\u66f4\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                                                  type<\/span> Query<\/span> {<\/span>\r\n  todos<\/span>:<\/span> [<\/span>Todo<\/span>!]!<\/span>\r\n  viewer<\/span>:<\/span> User<\/span>!<\/span> # \u3053\u3053\u3092\u8ffd\u52a0<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u8bf7\u91cd\u65b0\u751f\u6210\u4ee3\u7801\u3002<\/p>\n
                                                  go run github.com\/99designs\/gqlgen\r\n<\/code><\/pre>\n
                                                  \u8bf7\u5728\u4ee5\u4e0b\u4ee3\u7801\u4e2d\u5b9e\u73b0\uff0cgraph\/schema.resolvers.go\u5df2\u66f4\u65b0\u5e76\u5df2\u6dfb\u52a0\u4e86Viewer\u65b9\u6cd5\u3002<\/p>\n
                                                  func<\/span> (<\/span>r<\/span> *<\/span>queryResolver<\/span>)<\/span> Viewer<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>)<\/span> (<\/span>*<\/span>model<\/span>.<\/span>User<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n\t\/\/ \u30d7\u30ed\u30c0\u30af\u30c8\u30b3\u30fc\u30c9\u3067\u306f\u3001\u30e6\u30fc\u30b6\u3092\u8a8d\u8a3c\u3057\u3066\u3001\u305d\u306e\u30e6\u30fc\u30b6\u306e\u60c5\u5831\u3092\u8fd4\u3059\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/span>\r\n\treturn<\/span> &<\/span>model<\/span>.<\/span>User<\/span>{<\/span>\r\n\t\tID<\/span>:<\/span>   \"user:1\"<\/span>,<\/span>\r\n\t\tName<\/span>:<\/span> \"user1\"<\/span>,<\/span>\r\n\t},<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u6211\u4eec\u5df2\u7ecf\u5b8c\u6210\u4e86\u5b9e\u65bd\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5b83\u7684\u8fd0\u884c\u60c5\u51b5\u3002<\/p>\n
                                                  \u8bf7\u8fd0\u884cserver.go\u6587\u4ef6\uff0c\u5e76\u5728Web\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00http:\/\/localhost:8080\/\uff0c\u663e\u793aPlayground\u3002<\/p>\n
                                                  \u8bf7\u60a8\u5b9e\u9645\u8fd0\u884cviewer\u5e76\u8bd5\u8bd5\u770b\u3002\u4ee5\u4e0b\u662f\u5177\u4f53\u7684\u67e5\u8be2\u793a\u4f8b\u3002<\/p>\n
                                                  {\r\n  viewer {\r\n    id\r\n    name\r\n  }\r\n}\r\n<\/code><\/pre>\n
                                                  \u5982\u679c\u6b63\u786e\u5b9e\u65bd\uff0c\u54cd\u5e94\u5c06\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                                                  {\r\n  \"data\": {\r\n    \"viewer\": {\r\n      \"id\": \"1\",\r\n      \"name\": \"user1\"\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
                                                  \u83b7\u53d6\u5b9e\u73b0\u4e86Node\u7c7b\u578b\u7684ID\u7684\u8282\u70b9\u3002<\/h3>\n
                                                  \u6211\u4f1a\u4e3a\u83b7\u53d6\u5230ID\u5e76\u5b9e\u73b0\u4e86Node\u7684\u7c7b\u578b\u51c6\u5907\u4e00\u4e2a\u67e5\u8be2node\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u4e0d\u9700\u8981\u4e3a\u6bcf\u79cd\u7c7b\u578b\u5b9a\u4e49\u83b7\u53d6\u6570\u636e\u7684\u67e5\u8be2\u4e86\uff0c\u67e5\u8be2\u7684\u53ef\u8bfb\u6027\u4f1a\u66f4\u597d\u3002<\/p>\n
                                                  \u5b9a\u4e49\u67b6\u6784\u548c\u4ee3\u7801\u751f\u6210<\/h4>\n
                                                  \u66f4\u6539\u6a21\u5f0f\uff0c\u5b9e\u73b0Node\u63a5\u53e3\u4ee5\u5b9e\u73b0Todo\u7c7b\u578b\uff0c\u5e76\u8fdb\u4e00\u6b65\u6dfb\u52a0node\u67e5\u8be2\u3002<\/p>\n
                                                  interface<\/span> Node<\/span> {<\/span>\r\n    id<\/span>:<\/span> ID<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Todo<\/span> implements<\/span> Node<\/span> {<\/span>\r\n    id<\/span>:<\/span> ID<\/span>!<\/span>\r\n    text<\/span>:<\/span> String<\/span>!<\/span>\r\n    done<\/span>:<\/span> Boolean<\/span>!<\/span>\r\n    user<\/span>:<\/span> User<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Query<\/span> {<\/span>\r\n    # \u4ed6\u306e\u30af\u30a8\u30ea\u306f\u7701\u7565<\/span>\r\n    node<\/span>(<\/span>id<\/span>:<\/span> ID<\/span>!):<\/span> Node<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u63a5\u4e0b\u6765\uff0c\u5728Go\u7684model\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u65b9\u6cd5\u3002<\/p>\n
                                                  func<\/span> (<\/span>t<\/span> *<\/span>Todo<\/span>)<\/span> IsNode<\/span>()<\/span> {}<\/span>\r\n\r\nfunc<\/span> (<\/span>t<\/span> *<\/span>Todo<\/span>)<\/span> GetID<\/span>()<\/span> string<\/span> {<\/span>\r\n\treturn<\/span> t<\/span>.<\/span>ID<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u6700\u540e\uff0c\u8bf7\u91cd\u65b0\u751f\u6210\u4ee3\u7801\u3002 , .)<\/p>\n
                                                  go run github.com\/99designs\/gqlgen\r\n<\/code><\/pre>\n
                                                  \u8ba9Todo\u7684ID\u6210\u4e3a\u5168\u5c40\u552f\u4e00\u4e14\u5177\u6709\u7c7b\u578b\u53ef\u8bc6\u522b\u7684\u3002<\/h4>\n
                                                  \u5b9e\u73b0\u4e86Node\u63a5\u53e3\u7684\u7c7b\u578b\u7684ID\u9700\u8981\u662f\u5168\u5c40\u552f\u4e00\u7684\uff0c\u5e76\u4e14\u4ece\u8be5\u503c\u53ef\u4ee5\u5224\u65ad\u7c7b\u578b\u3002\u56e0\u4e3anode\u67e5\u8be2\u7684\u8fd4\u56de\u7c7b\u578b\u53d6\u51b3\u4e8eID\u3002\u867d\u7136\u672c\u6b21\u6211\u4eec\u6ca1\u6709\u8ba9User\u5b9e\u73b0Node\u63a5\u53e3\uff0c\u4f46\u5047\u8bbe\u8ba9\u5b83\u5b9e\u73b0\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0cnode(id: “Todo\u7684ID”)\u5e94\u8fd4\u56deTodo\uff0cnode(id:”User\u7684ID”)\u5e94\u8fd4\u56deUser\u3002\u5982\u679cID\u4e0d\u5305\u542b\u7c7b\u578b\u4fe1\u606f\uff0cGraphQL\u670d\u52a1\u5668\u65e0\u6cd5\u5224\u65ad\u5e94\u8be5\u8fd4\u56deTodo\u8fd8\u662fUser\u3002<\/p>\n
                                                  \u4ee5\u4e0b\u662fID\u7684\u4e00\u4e2a\u5177\u4f53\u793a\u4f8b\u3002\u6211\u4eec\u5728GitHub\u7684GraphQL API\u4e0a\u5c55\u793a\u4e86\u4e00\u4e2aGitHub\u4ed3\u5e93\u7684ID\u8fdb\u884c\u4e86base64\u89e3\u7801\u3002\u53ef\u4ee5\u770b\u5230\u503c\u4e2d\u5305\u542b\u4e86\u7c7b\u578b\u4fe1\u606f\u3002<\/p>\n
                                                  010:Repository12345678\r\n<\/code><\/pre>\n
                                                  \u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u5b9e\u73b0\u5e94\u8be5\u662f\u4ee5” T123456 “\u8fd9\u6837\u7684\u5f62\u5f0f\u6765\u8868\u793aTodo\u7684ID\u3002\u867d\u7136\u6211\u4eec\u53ef\u4ee5\u4eceID\u7684\u9996\u4e2a\u5b57\u7b26\u201cT\u201d\u5224\u65ad\u51fa\u5b83\u662f\u4e00\u4e2aTodo\u7c7b\u578b\uff0c\u4f46\u662f\u8fd9\u6837\u7684\u8868\u793a\u65b9\u5f0f\u6bd4\u8f83\u96be\u4ee5\u7406\u89e3\uff0c\u6240\u4ee5\u8ba9\u6211\u4eec\u5c06\u5176\u6539\u4e3a”todo:”\u5427\u3002<\/p>\n
                                                  func<\/span> (<\/span>r<\/span> *<\/span>mutationResolver<\/span>)<\/span> CreateTodo<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> input<\/span> model<\/span>.<\/span>NewTodo<\/span>)<\/span> (<\/span>*<\/span>model<\/span>.<\/span>Todo<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n\ttodo<\/span> :=<\/span> &<\/span>model<\/span>.<\/span>Todo<\/span>{<\/span>\r\n\t\tText<\/span>:<\/span>   input<\/span>.<\/span>Text<\/span>,<\/span>\r\n\t\tID<\/span>:<\/span>     fmt<\/span>.<\/span>Sprintf<\/span>(<\/span>\"todo:%d\"<\/span>,<\/span> rand<\/span>.<\/span>Int<\/span>()),<\/span> \/\/ \u3053\u3053\u3092\u5909\u66f4<\/span>\r\n\t\tUserID<\/span>:<\/span> input<\/span>.<\/span>UserID<\/span>,<\/span>\r\n\t}<\/span>\r\n\tr<\/span>.<\/span>todos<\/span> =<\/span> append<\/span>(<\/span>r<\/span>.<\/span>todos<\/span>,<\/span> todo<\/span>)<\/span>\r\n\treturn<\/span> todo<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u5b9e\u73b0node\u67e5\u8be2\u7684\u89e3\u6790\u5668\u3002<\/h4>\n
                                                  \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u5b9e\u73b0\u8282\u70b9\u67e5\u8be2\u7684\u89e3\u6790\u5668\u3002<\/p>\n
                                                  func<\/span> (<\/span>r<\/span> *<\/span>queryResolver<\/span>)<\/span> Node<\/span>(<\/span>ctx<\/span> context<\/span>.<\/span>Context<\/span>,<\/span> id<\/span> string<\/span>)<\/span> (<\/span>model<\/span>.<\/span>Node<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n\ts<\/span> :=<\/span> strings<\/span>.<\/span>Split<\/span>(<\/span>id<\/span>,<\/span> \":\"<\/span>)<\/span>\r\n\tt<\/span> :=<\/span> s<\/span>[<\/span>0<\/span>]<\/span>\r\n\r\n\tswitch<\/span> t<\/span> {<\/span>\r\n\tcase<\/span> \"todo\"<\/span>:<\/span>\r\n\t\tfor<\/span> _<\/span>,<\/span> todo<\/span> :=<\/span> range<\/span> r<\/span>.<\/span>todos<\/span> {<\/span>\r\n\t\t\tif<\/span> todo<\/span>.<\/span>ID<\/span> ==<\/span> id<\/span> {<\/span>\r\n\t\t\t\treturn<\/span> todo<\/span>,<\/span> nil<\/span>\r\n\t\t\t}<\/span>\r\n\t\t}<\/span>\r\n\t\treturn<\/span> nil<\/span>,<\/span> errors<\/span>.<\/span>New<\/span>(<\/span>\"not found\"<\/span>)<\/span>\r\n\tdefault<\/span>:<\/span>\r\n\t\treturn<\/span> nil<\/span>,<\/span> fmt<\/span>.<\/span>Errorf<\/span>(<\/span>\"unknwon type:%s\"<\/span>,<\/span> t<\/span>)<\/span>\r\n\t}<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u5c1d\u8bd5\u6267\u884cnode\u67e5\u8be2<\/h4>\n
                                                  \u8bf7\u5728\u91cd\u542f\u670d\u52a1\u5668\u540e\uff0c\u901a\u8fc7GraphQL Playground\u6267\u884c\u4ee5\u4e0b\u67e5\u8be2\u6765\u6ce8\u518cTodo\u3002\u8bf7\u8bb0\u4e0b\u7ed3\u679c\u7684id\u3002<\/p>\n
                                                  mutation<\/span> createTodo<\/span> {<\/span>\r\n  first<\/span>:<\/span> createTodo<\/span>(<\/span>input<\/span>:<\/span> {<\/span> text<\/span>:<\/span> \"todo1\"<\/span>,<\/span> userId<\/span>:<\/span> \"1\"<\/span> })<\/span> {<\/span>\r\n    id<\/span>\r\n    user<\/span> {<\/span>\r\n      id<\/span>\r\n    }<\/span>\r\n    text<\/span>\r\n    done<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u8bf7\u6267\u884c\u8282\u70b9\u67e5\u8be2\u3002\u5e94\u8be5\u80fd\u591f\u83b7\u53d6\u5230Todo\u7684\u4fe1\u606f\u3002<\/p>\n
                                                  {<\/span>\r\n  node<\/span>(<\/span>id<\/span>:<\/span> \"<\u5148\u7a0b\u767b\u9332\u3057\u305fTodo\u306eID>\"<\/span>)<\/span> {<\/span>\r\n    id<\/span>\r\n    ...<\/span>on<\/span> Todo<\/span> {<\/span>\r\n      text<\/span>\r\n      user<\/span> {<\/span>\r\n        id<\/span>\r\n        name<\/span>\r\n      }<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u2026\u5173\u4e8e “Todo { }” \u7684\u8bed\u6cd5\u662f\uff0c\u56e0\u4e3a node \u7684\u8fd4\u56de\u503c\u662f interface Node\uff0c\u6240\u4ee5\u8fd9\u662f\u7528\u6765\u5c06\u5176\u8f6c\u6362\u4e3a Todo \u7684\u5de5\u5177\u3002<\/p>\n
                                                  \u5173\u4e8eID\u7684\u8865\u5145\u8bf4\u660e<\/h4>\n
                                                  \u8ba9API\u5ba2\u6237\u7aef\u65e0\u9700\u5173\u6ce8\u8282\u70b9ID\u7684\u683c\u5f0f\u3002\u5982\u679c\u4ee5\u53ef\u8bfb\u6027\u826f\u597d\u7684\u5f62\u5f0f\uff0c\u6bd4\u5982\u5b9e\u73b0\u4e00\u4e2a”todo:1″\u5f62\u5f0f\u7684\u8fd4\u56de\u7ed9API\u5ba2\u6237\u7aef\uff0c\u53ef\u80fd\u4f1a\u4f7f\u5f97\u6211\u4eec\u5728\u5b9e\u73b0\u65f6\u610f\u8bc6\u5230\u8282\u70b9ID\u7684\u683c\u5f0f\u3002\u56e0\u6b64\uff0c\u6700\u597d\u662f\u5c06\u8282\u70b9ID\u8fdb\u884cBase64\u7f16\u7801\uff08\u56e0\u4e3a\u5b83\u4e0d\u662f\u673a\u5bc6\u4fe1\u606f\uff0c\u6240\u4ee5\u5e76\u4e0d\u9700\u8981\u5b8c\u5168\u9690\u85cf\uff09\u3002<\/p>\n
                                                  \u7136\u800c\uff0c\u4f7f\u7528\u6613\u8bfb\u7684ID\u8fd8\u6709\u4e00\u4e2a\u597d\u5904\u662f\u80fd\u591f\u66f4\u8f7b\u677e\u5730\u5728GraphQL Playground\u4e2d\u6d4b\u8bd5API\u3002\u5982\u679c\u4e0d\u662f\u9762\u5411\u5927\u4f17\u7528\u6237\u7684API\uff0c\u5e76\u4e14\u53ef\u4ee5\u6559\u80b2API\u7528\u6237\uff0c\u4e14\u4e0d\u9700\u8981\u5728ID\u503c\u4e2d\u5305\u542b\u4e8c\u8fdb\u5236\uff0c\u6211\u8ba4\u4e3a\u4e0d\u8fdb\u884cBase64\u7f16\u7801\u4e5f\u662f\u4e00\u79cd\u9009\u62e9\u3002<\/p>\n
                                                  \u8fde\u63a5\u6a21\u5f0f (\u5206\u9875)<\/h3>\n
                                                  \u8fde\u63a5\u6a21\u5f0f\u662f\u7528\u4e8e\u5206\u9875\u7684\u6a21\u5f0f\u8bbe\u8ba1\u65b9\u6848\u3002\u7531\u4e8e\u52a8\u624b\u5b9e\u8df5\u53ef\u4ee5\u66f4\u5feb\u5730\u7406\u89e3\uff0c\u8ba9\u6211\u4eec\u52a8\u624b\u8bd5\u8bd5\u770b\u5427\u3002<\/p>\n
                                                  \u60f3\u8981\u4e86\u89e3\u6b64\u6a21\u5f0f\u7684\u8be6\u7ec6\u4fe1\u606f\u7684\u4eba\uff0c\u8bf7\u53c2\u8003Facebook\u5f00\u53d1\u7684GraphQL\u5ba2\u6237\u7aefjs\u5e93Relay\u7684\u6587\u6863\u3002<\/p>\n
                                                  \u53d6\u5f97\u67e5\u8be2\u5b9a\u4e49<\/h4>\n
                                                  \u9996\u5148\uff0c\u6211\u4eec\u5c06\u6839\u636eConnections\u6a21\u5f0f\u4fee\u6539findTodos\u51fd\u6570\u7684\u5b9a\u4e49\uff0c\u4ee5\u4fbf\u83b7\u53d6\u6240\u6709Todo\u7684\u5217\u8868\u3002<\/p>\n
                                                  type<\/span> Query<\/span> {<\/span>\r\n    todos<\/span>(<\/span>\r\n        after<\/span>:<\/span> String<\/span>\r\n        before<\/span>:<\/span> String<\/span>\r\n        first<\/span>:<\/span> Int<\/span>\r\n        last<\/span>:<\/span> Int<\/span>\r\n    )<\/span> :<\/span> TodoConnection<\/span>!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                  \u4ee5\u4e0b\u662f\u53c2\u6570\u7684\u542b\u4e49\u3002<\/p>\n
                                                  (The meaning of the argument is as follows.)<\/p>\n
                                                    \n
                                                  • \n
                                                      after\uff1a\u30c7\u30fc\u30bf\u53d6\u5f97\u958b\u59cb\u4f4d\u7f6e(cursor)\u3092\u6307\u5b9a\u3057\u307e\u3059<\/ul>\n<\/li>\n<\/ul>\n
                                                      \u3053\u306ecursor\u3067\u6307\u3057\u793a\u3055\u308c\u308b\u9805\u76ee\u3088\u308a\u5f8c\u306e\u9805\u76ee\u304c\u53d6\u5f97\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059<\/p>\n
                                                      before\uff1a\u30c7\u30fc\u30bf\u53d6\u5f97\u7d42\u4e86\u4f4d\u7f6e(cursor)\u3092\u6307\u5b9a\u3057\u307e\u3059<\/p>\n
                                                      \u3053\u306ecursor\u3067\u6307\u3057\u793a\u3055\u308c\u308b\u9805\u76ee\u3088\u308a\u524d\u306e\u9805\u76ee\u304c\u53d6\u5f97\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059<\/p>\n
                                                      first\uff1a\u5148\u982d\u304b\u3089\u306e\u4f55\u4ef6\u53d6\u5f97\u3059\u308b\u304b
                                                      \nlast\uff1a\u672b\u5c3e\u304b\u3089\u4f55\u4ef6\u53d6\u5f97\u3059\u308b\u304b<\/p>\n
                                                      \u5728\u4e2d\u6587\u4e2d\u6709\u591a\u79cd\u8868\u8fbe\u65b9\u5f0f\uff0c\u4e0b\u9762\u662f\u4e00\u79cd\u9009\u9879\uff1a<\/p>\n
                                                      \u4e0d\u63a8\u8350\u540c\u65f6\u6307\u5b9a”first”\u548c”last”\u3002\u5982\u679c\u4e24\u8005\u90fd\u540c\u65f6\u6307\u5b9a\uff0c\u5e94\u8be5\u62a5\u9519\u3002\u6b64\u5916\uff0c\u5efa\u8bae\u5c06”first”\u6216”last”\u4e2d\u7684\u4e00\u4e2a\u8bbe\u4e3a\u5fc5\u586b\u9879\u3002GitHub\u7684GraphQL API\u9075\u5faa\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n
                                                      \u88dc\u8db32
                                                      \n\u65e0\u8bba\u662f\u4f7f\u7528”first\/after”\u8fd8\u662f”last\/before”\uff0c\u67e5\u8be2\u7ed3\u679c\u4e2d\u7684\u9879\u76ee\u987a\u5e8f\u5e94\u8be5\u4fdd\u6301\u4e00\u81f4\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6309\u7167ID\u5347\u5e8f\u6392\u5217\uff0c\u6709item1\u3001item2\u3001item3\u3002\u90a3\u4e48\uff0c\u65e0\u8bba\u5728\u83b7\u53d6\u5217\u8868\u67e5\u8be2\u53c2\u6570\u4e2d\u6307\u5b9a”first=3″\u8fd8\u662f\u6307\u5b9a”last=3″\uff0c\u7ed3\u679c\u7684\u6392\u5e8f\u90fd\u5e94\u8be5\u662f[item1, item2, item3]\u3002<\/p>\n
                                                      \u9023\u7d50\/\u9801\u9762\u4fe1\u606f\/\u908a\u7de3\u7684\u5b9a\u7fa9<\/h4>\n
                                                      \u63a5\u4e0b\u6765\uff0c\u8981\u5411\u6a21\u5f0f\u4e2d\u6dfb\u52a0\u4e09\u4e2a\u7c7b\u578b\u5b9a\u4e49\u3002<\/p>\n
                                                      type<\/span> TodoEdge<\/span> {<\/span>\r\n    cursor<\/span>:<\/span> String<\/span>!<\/span>\r\n    node<\/span>:<\/span> Todo<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> PageInfo<\/span> {<\/span>\r\n    endCursor<\/span>:<\/span> String<\/span>\r\n    hasNextPage<\/span>:<\/span> Boolean<\/span>!<\/span>\r\n    hasPreviousPage<\/span>:<\/span> Boolean<\/span>!<\/span>\r\n    startCursor<\/span>:<\/span> String<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> TodoConnection<\/span> {<\/span>\r\n    edges<\/span>:<\/span> [<\/span>TodoEdge<\/span>!]!<\/span>\r\n    pageInfo<\/span>:<\/span> PageInfo<\/span>!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                                        \n
                                                      • \n
                                                          Connection<\/ul>\n<\/li>\n<\/ul>\n
                                                          Edge\u306e\u30b9\u30e9\u30a4\u30b9\u3068PageInfo\u3092\u6301\u3061\u307e\u3059
                                                          \n\u4e00\u89a7\u53d6\u5f97\u30af\u30a8\u30ea\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u306a\u308a\u307e\u3059
                                                          \nEdge\/PageInfo\u4ee5\u5916\u306btotalCount\u306a\u3069\u306e\u4ed8\u5c5e\u60c5\u5831\u3092\u6301\u305f\u305b\u308b\u306e\u3082\u826f\u3044\u3067\u3059<\/p>\n
                                                          PageInfo<\/p>\n
                                                          startCursor\/endCursor\uff1a\u53d6\u5f97\u3057\u305f\u4e00\u89a7\u306e\u5148\u982d\u3068\u672b\u5c3e\u306e\u9805\u76ee\u3092\u6307\u3057\u793a\u3059cursor\u3067\u3059
                                                          \nhasNextPage\uff1a\u4e00\u89a7\u53d6\u5f97\u7bc4\u56f2\u306e\u5f8c\u306b\u9805\u76ee\u304c\u3042\u308b\u306a\u3089true<\/p>\n
                                                          \u5148\u982d\u304b\u3089\u5f8c\u308d\u306e\u65b9\u5411\u306b\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u306f1\u3001\u5fc5\u9808\u3067\u3059
                                                          \n\u5f8c\u308d\u304b\u3089\u5148\u982d\u306e\u65b9\u5411\u306b\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u306f2\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059<\/p>\n
                                                          hasPreviousPage\uff1a\u4e00\u89a7\u53d6\u5f97\u7bc4\u56f2\u306e\u5f8c\u306b\u9805\u76ee\u304c\u3042\u308b\u306a\u3089true<\/p>\n
                                                          \u5148\u982d\u304b\u3089\u5f8c\u308d\u306e\u65b9\u5411\u306b\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u306f\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u3059
                                                          \n\u5f8c\u308d\u304b\u3089\u5148\u982d\u306e\u65b9\u5411\u306b\u4e00\u89a7\u3092\u53d6\u5f97\u3057\u305f\u5834\u5408\u306f\u3001\u5fc5\u9808\u3067\u3059<\/p>\n
                                                          Edge<\/p>\n
                                                          node\u3068\u4e00\u89a7\u306e\u4e2d\u3067\u306e\u4f4d\u7f6e\u3092\u793a\u3059cursor\u3092\u6301\u3061\u307e\u3059<\/p>\n
                                                          \u4e00\u89a7\u304cID\u306e\u6607\u9806 or \u964d\u9806\u3060\u3068\u3057\u305f\u3089\u3001cursor\u306b\u306fID\u3092\u542b\u3081\u3066\u304a\u304f\u30a4\u30e1\u30fc\u30b8\u3067\u3059
                                                          \n\u53c2\u8003\uff1aGitHub\u306eGraphQL API\u3067\u30ea\u30dd\u30b8\u30c8\u30ea\u4e00\u89a7\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u5404Edge\u306ecursor\u306f\u3001\u30d0\u30a4\u30ca\u30ea\u30c7\u30fc\u30bf\u3092base64\u3067\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305f\u3082\u306e\u3067\u3001\u30d0\u30a4\u30ca\u30ea\u306e\u4e0b4\u30d0\u30a4\u30c8\u306f\u30ea\u30dd\u30b8\u30c8\u30ea\u306eID\u306b\u306a\u3063\u3066\u3044\u307e\u3059<\/p>\n
                                                          node\u306f\u9805\u76ee\u306e\u30c7\u30fc\u30bf\u672c\u4f53\u3067\u3001\u305d\u306e\u578b\u306b\u306fNode interface\u3092\u5b9f\u88c5\u3055\u305b\u307e\u3059<\/p>\n
                                                          \u5b9e\u65bd<\/h4>\n
                                                          \u6211\u4eec\u5c06\u7701\u7565\u4ecb\u7ecd\u5b9e\u73b0\u90e8\u5206\u3002
                                                          \n\u5b9e\u73b0\u65b9\u6cd5\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u60f3\u8c61\u51fa\u6765\uff0c\u4f46\u793a\u4f8b\u5b9e\u73b0\u76f8\u5f53\u7e41\u7410\u3002<\/p>\n
                                                          \u8fde\u63a5\u6a21\u5f0f\u7684\u597d\u5904<\/h4>\n
                                                            \n
                                                          • \n
                                                              cursor\u30d9\u30fc\u30b9\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u306a\u306e\u3067\u3001offset\u30d9\u30fc\u30b9\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u3088\u308a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u826f\u3044\u3057\u3001\u9014\u4e2d\u3067\u30c7\u30fc\u30bf\u3092\u8ffd\u52a0\u3055\u308c\u305f\u308a\u3057\u3066\u3082\u5f71\u97ff\u3092\u53d7\u3051\u3065\u3089\u3044<\/ul>\n<\/li>\n<\/ul>\n
                                                               <\/p>\n
                                                                \n
                                                              • \n
                                                                  \u3053\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u5f93\u3063\u3066\u3044\u308b\u3068\u3001Relay\/Apollo\u306a\u3069\u306eGraphQL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u6c17\u3092\u5229\u304b\u305b\u3066\u304f\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n
                                                                  mutation(\u30c7\u30fc\u30bf\u66f4\u65b0)\u306e\u3068\u304d\u306b\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u3092\u66f4\u65b0\u3057\u3066\u304f\u308c\u308b
                                                                  \n\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306e\u30da\u30fc\u30b8\u30f3\u30b0\u306e\u5b9f\u88c5\u304c\u697d\u306b\u306a\u308b<\/p>\n
                                                                  \u4e00\u89a7\u53d6\u5f97\u30af\u30a8\u30ea\u306e\u4ed5\u69d8\u304c\u3042\u308b\u7a0b\u5ea6\u7d71\u4e00\u3055\u308c\u308b<\/p>\n
                                                                  \u8bf7\u53c2\u8003\u4ee5\u4e0b\u8d44\u6599\u3002
                                                                  \n\u8fd9\u91cc\u6709\u4e00\u4e9b\u53ef\u4ee5\u53c2\u8003\u7684\u8d44\u6599\u3002
                                                                  \n\u6709\u5173\u53c2\u8003\u8d44\u6599\uff0c\u8bf7\u60a8\u9605\u8bfb\u4ee5\u4e0b\u5185\u5bb9\u3002
                                                                  \n\u4f9b\u53c2\u8003\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u76f8\u5173\u8d44\u6599\u3002<\/h2>\n
                                                                  GraphQL\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/p>\n
                                                                  \u6587\u6cd5\u3060\u3051\u3067\u306a\u304f\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3082\u3042\u308a\u307e\u3059<\/p>\n
                                                                  Shopify\u306eGraphQL\u8a2d\u8a08\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/p>\n
                                                                  \u8a2d\u8a08\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3068\u3057\u3066\u3069\u3046\u305e<\/p>\n
                                                                  \u65e5\u672c\u8a9e\u7ffb\u8a33\u3082\u3042\u308a\u307e\u3059<\/p>\n
                                                                  GitHub\u306eGraphQL Exploer<\/p>\n
                                                                  GraphQL\u3092\u8a66\u3059\u306e\u306b\u826f\u3044\u3067\u3059<\/p>\n
                                                                  \u30b9\u30ad\u30fc\u30de\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u306e\u3067\u3001\u8a2d\u8a08\u306e\u53c2\u8003\u306b\u3067\u304d\u307e\u3059<\/p>\n
                                                                  gqlgen\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/p>\n
                                                                  \u3053\u306e\u8a18\u4e8b\u3067\u89e6\u308c\u3066\u3044\u306a\u3044\u8a8d\u8a3c\u3084\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u3084\u308a\u65b9\u304c\u66f8\u304b\u308c\u3066\u3044\u307e\u3059<\/p>\n
                                                                  Production Ready GraphQL<\/p>\n
                                                                  GraphQL\u30b9\u30ad\u30fc\u30de\u306e\u8a2d\u8a08\u3001\u8907\u96d1\u3059\u304e\u308b\u30af\u30a8\u30ea\u3078\u306e\u5bfe\u51e6\u3068\u3044\u3063\u305f\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u307e\u3068\u307e\u3063\u3066\u3044\u307e\u3059\u3002GraphQL\u30b9\u30ad\u30fc\u30de\u306e\u8a2d\u8a08\u306e\u8003\u3048\u65b9\u306f\u3068\u3066\u3082\u53c2\u8003\u306b\u306a\u308a\u307e\u3057\u305f
                                                                  \n\u624b\u524d\u5473\u564c\u3067\u3059\u304c\u3001\u672c\u66f8\u306e\u30b9\u30ad\u30fc\u30de\u8a2d\u8a08\u306e\u4e3b\u5f35\u306e\u6982\u8981\u3092\u5225\u8a18\u4e8b\u3067\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059<\/p>\n
                                                                  \u6700\u540e<\/h2>\n
                                                                  \u6211\u5df2\u7ecf\u5206\u4eab\u4e86\u4f7f\u7528Go\u6784\u5efaGraphQL\u670d\u52a1\u5668\u6240\u9700\u7684\u6700\u57fa\u672c\u7684\u77e5\u8bc6\u3002\u5e0c\u671b\u5bf9\u522b\u4eba\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
                                                                  \u5f53\u4f7f\u7528\u5217\u8868\u67e5\u8be2\u6307\u5b9afirst\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u8fdb\u884c\u6539\u8ff0\u3002\u5f53\u4f7f\u7528\u5217\u8868\u67e5\u8be2\u6307\u5b9alast\u53c2\u6570\u65f6\uff0c\u53ef\u4ee5\u8fdb\u884c\u6539\u8ff0\u3002<\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
                                                                  \u6211\u4eec\u5c06\u4ee5\u5b9e\u8df5\u7684\u65b9\u5f0f\u4ecb\u7ecd\u4f7f\u7528Go\u6784\u5efaGraphQL\u670d\u52a1\u5668\u7684\u57fa\u7840\u77e5\u8bc6\u3002\u5b8c\u6574\u7248\u672c\u5df2\u7ecf\u53d1\u5e03\u5728GitHub\u4e0a\u3002 Grap […]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47673","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528Go\u8bed\u8a00\u521b\u5efaGraphQL\u670d\u52a1\u5668 - 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\/\u4f7f\u7528go\u8bed\u8a00\u521b\u5efagraphql\u670d\u52a1\u5668\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528Go\u8bed\u8a00\u521b\u5efaGraphQL\u670d\u52a1\u5668\" \/>\n<meta property=\"og:description\" content=\"\u6211\u4eec\u5c06\u4ee5\u5b9e\u8df5\u7684\u65b9\u5f0f\u4ecb\u7ecd\u4f7f\u7528Go\u6784\u5efaGraphQL\u670d\u52a1\u5668\u7684\u57fa\u7840\u77e5\u8bc6\u3002\u5b8c\u6574\u7248\u672c\u5df2\u7ecf\u53d1\u5e03\u5728GitHub\u4e0a\u3002 Grap […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528go\u8bed\u8a00\u521b\u5efagraphql\u670d\u52a1\u5668\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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