{"id":47584,"date":"2022-11-23T23:48:40","date_gmt":"2023-09-18T12:55:16","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8graqhql-java-tools%ef%bc%88%e5%8a%a0%e4%b8%8akotlin%ef%bc%89%e6%9d%a5%e5%ae%9e%e7%8e%b0graphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b0%9d%e8%af%95%e3%80%82\/"},"modified":"2024-04-29T02:12:07","modified_gmt":"2024-04-28T18:12:07","slug":"%e4%bd%bf%e7%94%a8graqhql-java-tools%ef%bc%88%e5%8a%a0%e4%b8%8akotlin%ef%bc%89%e6%9d%a5%e5%ae%9e%e7%8e%b0graphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b0%9d%e8%af%95%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8graqhql-java-tools%ef%bc%88%e5%8a%a0%e4%b8%8akotlin%ef%bc%89%e6%9d%a5%e5%ae%9e%e7%8e%b0graphql%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b0%9d%e8%af%95%e3%80%82\/","title":{"rendered":"\u4f7f\u7528graqhql-java-tools\uff08\u52a0\u4e0akotlin\uff09\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5c1d\u8bd5"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u662f\u5173\u4e8e\u4ec0\u4e48\u7684\uff1f<\/h1>\n

\u4f7f\u7528Kotlin + graphql-java-tools\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5e76\u8fd4\u56de\u54cd\u5e94\u7684\u8fc7\u7a0b\uff0c\u6211\u5c06\u6574\u7406\u5982\u4e0b\u3002<\/p>\n

\u4f7f\u7528\u672c\u6587\u7684\u4fe1\u606f\uff0c\u5728\u6b64\u6587\u7ae0\u4e2d\u63d0\u5230\u7684\u5185\u5bb9\u662f\uff1a
\n– \u6784\u5efa\u4e00\u4e2a\u7b80\u5355\u7684GraphQL\u670d\u52a1\u5668\u3002<\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u6ca1\u6709\u5305\u542b\u7684\u5185\u5bb9\uff1a
\n– N+1\u95ee\u9898\u7684\u89e3\u51b3\u529e\u6cd5
\n– \u7ffb\u9875\u529f\u80fd\u7684\u5b9e\u73b0<\/p>\n

\u5173\u4e8egraphql-java-tools<\/h1>\n

\u6b64\u6587\u7ae0\u5c06\u4f7f\u7528Ktor\u4f5c\u4e3a\u4efb\u610f\u7684\u6846\u67b6\u6216\u5e93\uff0c\u5c06\u63d0\u4f9b\u4f5c\u4e3aGraphQL\u670d\u52a1\u5668\u7684\u529f\u80fd\u3002\u5728\u5185\u90e8\uff0c\u79f0\u4e3agraphql-spring-boot\u7684\u5de5\u5177\u8fd8\u4f7f\u7528graphql-java-tools\u3002GraphQL\u670d\u52a1\u5668\u672c\u8eab\u4e0d\u5177\u5907\u4f5c\u4e3aWeb\u5e94\u7528\u7a0b\u5e8f\u670d\u52a1\u5668\u7684\u529f\u80fd\u3002<\/p>\n

\u5b9e\u65bd\u7684\u8fc7\u7a0b<\/h1>\n
    \n
  1. \n
      \u5bf9\u4e8egraphql\u6587\u4ef6\uff0c\u6211\u4eec\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aschema\u3002<\/ol>\n<\/li>\n<\/ol>\n

       <\/p>\n

        \n
      1. \n
          \u6211\u4eec\u9700\u8981\u5b9e\u73b0Root Resolver\u3002<\/ol>\n<\/li>\n<\/ol>\n

           <\/p>\n

            \n
          1. \n
              \u6211\u4eec\u9700\u8981\u5b9e\u73b0Resolver\u3002<\/ol>\n<\/li>\n<\/ol>\n

               <\/p>\n

                \u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u5904\u7406GraphQL\u8bf7\u6c42\u7684Handler\u3002<\/ol>\n

                \u5173\u4e8eRootResolver\u548cResolver\u7684\u533a\u522b<\/h3>\n

                graphql-java-tools\u6709\u4e24\u79cd\u4e0d\u540c\u7684\u89e3\u6790\u5668\u6982\u5ff5\u3002\uff08\u89e3\u6790\u5668\u7c7b\u4f3c\u4e8eMVC\u4e2d\u7684\u63a7\u5236\u5668\uff09<\/p>\n

                \u6211\u5011\u8003\u616e\u5be6\u73fe\u4ee5\u4e0b\u7684 GraphQL Schema\u3002
                \n\u9019\u662f\u4e00\u500b\u5305\u542b\u7236\u9805\u76ee Parent \u53ca\u5176\u5b50\u9805\u76ee Child \u7684\u6578\u64da\u3002<\/p>\n

                type<\/span> Query<\/span> {<\/span>\r\n  parent<\/span>:<\/span> Parent<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Parent<\/span> {<\/span>\r\n  id<\/span>:<\/span> ID<\/span>!<\/span>\r\n  name<\/span>:<\/span> String<\/span>!<\/span>\r\n  child<\/span>:<\/span> Child<\/span>!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Child<\/span> {<\/span>\r\n  id<\/span>:<\/span> ID<\/span>!<\/span>\r\n  name<\/span>:<\/span> String<\/span>!<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u8981\u8fd4\u56de\u5177\u6709Has A\u5173\u7cfb\u7684\u6570\u636e\uff0c\u8bf7\u4f7f\u7528graphql-java-tools\uff0c\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9700\u8981\u5b9e\u73b0RootResolver\u548cResolver\u8fd9\u4e24\u79cd\u7c7b\u578b\u3002\u5b83\u4eec\u5404\u81ea\u7684\u4f5c\u7528\u5982\u4e0b\uff1a<\/p>\n
                RootResolver\uff1a
                \n\u5b9e\u73b0\u4e86\u5f53\u7236\u8282\u70b9\u88ab\u5f15\u7528\u65f6\u7684\u5904\u7406\u903b\u8f91\u3002
                \n\u5f53\u8bf7\u6c42\u8fbe\u5230\u7aef\u70b9\u65f6\uff0c\u5c06\u89e6\u53d1\u5e76\u8c03\u7528\u8be5\u5904\u7406\u903b\u8f91\u3002<\/p>\n
                \u89e3\u6790\u5668\uff1a
                \n\u5b9e\u73b0\u4e86\u5f53Parent.Child\u88ab\u5f15\u7528\u65f6\u7684\u5904\u7406\u3002
                \n\u6ce8\u518c\u7684\u7236\u7c7b\u88ab\u8c03\u7528\u7684\u65f6\u673a\u4f5c\u4e3a\u89e6\u53d1\u5668\uff0c\u5e76\u88ab\u8c03\u7528\u3002<\/p>\n
                \u7531\u4e8e\u96be\u4ee5\u7406\u89e3\uff0c\u6211\u5c06\u901a\u8fc7\u4e3e\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n
                \u5047\u8bbe\u6211\u4eec\u5c06example.graphql\u4e2d\u5b9a\u4e49\u7684\u7c7b\u578b\u8f6c\u6362\u6210Kotlin\u7c7b\u540e\uff0c\u7ed3\u679c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
                \r\ndata class<\/span> Parent<\/span>(<\/span>\r\n    val<\/span> id<\/span>:<\/span> Int<\/span>,<\/span> \r\n    val<\/span> name<\/span>:<\/span> String<\/span>,<\/span> \r\n    val<\/span> childId<\/span>:<\/span> Int<\/span>\r\n)<\/span>\r\n\r\ndata class<\/span> Child<\/span>(<\/span>\r\n    val<\/span> id<\/span>:<\/span> Int<\/span>,<\/span>\r\n    val<\/span> name<\/span>:<\/span> String<\/span>\r\n)<\/span>\r\n\r\n<\/code><\/pre>\n
                \u5b9e\u9645\u7684Class\u4e2d\u4e0d\u5b58\u5728Parent.child\u3002
                \n\u4e3a\u4e86\u5c06Parent.child\u4f5c\u4e3a\u54cd\u5e94\u8fd4\u56de\uff0c\u9700\u8981\u4f7f\u7528Parent.childId\u6765\u5173\u8054Child\u3002
                \n\u4e3a\u6b64\uff0c\u9700\u8981\u4f7f\u7528Resolver\u3002
                \n\u5f53\u6307\u5b9a\u7684\u7c7b\u4f5c\u4e3a\u54cd\u5e94\u8fd4\u56de\u65f6\uff0cResolver\u53ef\u4ee5\u63a5\u6536\u8be5\u5bf9\u8c61\u3002
                \n\u56e0\u6b64\uff0c\u901a\u8fc7ParentResolver\u63a5\u6536Parent\u4ee5\u5f15\u7528childId\uff0c\u53ef\u4ee5\u83b7\u53d6\u76f8\u5173\u8054\u7684Child\u3002<\/p>\n
                \u6982\u62ec\u8d77\u6765\u5c31\u662f\uff1a
                \n\u5f53\u88ab\u67e5\u8be2\u5b9a\u4e49\u7684\u7ec8\u70b9\u88ab\u5f15\u7528\u65f6\u7684\u5904\u7406\u65b9\u6cd5 -> RootResolver
                \n\u5f53\u7ec8\u70b9\u8fd4\u56de\u7684\u7c7b\u578b\u5c5e\u6027\u88ab\u5f15\u7528\u65f6\u7684\u5904\u7406\u65b9\u6cd5 -> Resolver<\/p>\n
                1. \u5b9a\u4e49\u6a21\u5f0f<\/h1>\n
                \u6211\u4eec\u6765\u770b\u770b\u5b9e\u9645\u4e0a\u5b9e\u65bd\u670d\u52a1\u5668\u7684\u6b65\u9aa4\u3002<\/p>\n
                \u9996\u5148\uff0c\u6211\u4eec\u8981\u5b9a\u4e49GraphQL\u7684\u6a21\u5f0f\u3002
                \n\u672c\u6587\u4e2d\u6ca1\u6709\u89e3\u91caGraphQL\u7684\u8bed\u6cd5\uff0c\u6240\u4ee5\u8bf7\u53c2\u8003\u53e6\u4e00\u7bc7\u6587\u7ae0\u4e86\u89e3\u8bed\u6cd5\u3002<\/p>\n
                \u8bf7\u5728\u8fd9\u91cc\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684 Query \u5904\u7406\u3002
                \n\u8bf7\u5728\u4efb\u610f\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a sample.graphql \u7684\u6587\u4ef6\u3002
                \n\u5728\u672c\u6b21\u521b\u5efa\u7684\u670d\u52a1\u5668\u4e2d\uff0c\u5c06\u52a0\u8f7d\u8be5\u6587\u4ef6\u7684\u5b9a\u4e49\u3002<\/p>\n
                \u6211\u5c1d\u8bd5\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a”samples”\u7684\u7aef\u70b9\uff0c\u8be5\u7aef\u70b9\u4ee5\u5217\u8868\u5f62\u5f0f\u8fd4\u56de”Sample”\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n
                \u4ee5\u4e0b\u662f\u793a\u4f8bGraphQL\u6587\u4ef6\u7684\u91ca\u4e49\u3002<\/p>\n
                type<\/span> Query<\/span> {<\/span>\r\n  samples<\/span>:<\/span> [<\/span>Sample<\/span>!]!<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> Sample<\/span> {<\/span>\r\n  id<\/span>:<\/span> ID<\/span>\r\n  name<\/span>:<\/span> String<\/span>\r\n  user<\/span>:<\/span> User<\/span>\r\n}<\/span>\r\n\r\ntype<\/span> User<\/span> {<\/span>\r\n  id<\/span>:<\/span> ID<\/span>\r\n  sampleId<\/span>:<\/span> ID<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u6211\u5011\u4e5f\u6703\u5728Kotlin\u4e2d\u5b9a\u7fa9\u5c0d\u61c9\u7684\u8cc7\u6599\u985e\u3002<\/p>\n
                \r\ndata class<\/span> Sample<\/span>(<\/span>\r\n  val<\/span> id<\/span>:<\/span> Int<\/span>,<\/span>\r\n  val<\/span> name<\/span>:<\/span> String<\/span>,<\/span>\r\n  val<\/span> userId<\/span>:<\/span> Int<\/span>\r\n)<\/span>\r\n\r\ndata class<\/span> User<\/span>(<\/span>\r\n  val<\/span> id<\/span>:<\/span> Int<\/span>,<\/span>\r\n  val<\/span> email<\/span>:<\/span> String<\/span>\r\n)<\/span>\r\n<\/code><\/pre>\n
                2. \u5b9e\u73b0 RootResolver<\/h1>\n
                (Note: This translation assumes that “RootResolver” refers to a specific term or concept in the context of programming or technology. If there is more context or specific meaning behind “RootResolver,” please provide more details for a more accurate translation.)<\/p>\n
                \u6211\u4eec\u5c06\u5b9e\u73b0 RootReslover\u3002
                \n\u6211\u4eec\u5c06\u5b9e\u73b0\u5f53\u8c03\u7528 samples \u7aef\u70b9\u65f6\u7684\u5904\u7406\u3002
                \n\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4f1a\u8c03\u7528 UseCase \u7b49\uff0c\u4f46\u662f\u8fd9\u6b21\u6211\u4eec\u5c06\u5236\u4f5c\u4e00\u4e2a\u8fd4\u56de\u76f8\u540c\u5217\u8868\u7684\u51fd\u6570\u3002<\/p>\n
                \u6839\u6837\u672c\u89e3\u6790\u7a0b\u5e8f.kt<\/p>\n
                class<\/span> RootSampleResolver<\/span>:<\/span> GraphQLQueryResolver<\/span> {<\/span>\r\n  fun<\/span> samples<\/span>():<\/span> List<\/span><<\/span>Sample<\/span>><\/span> {<\/span>\r\n    return<\/span> listOf<\/span>(<\/span>\r\n      Sample<\/span>(<\/span>id<\/span> =<\/span> 1<\/span>,<\/span> name<\/span> =<\/span> \"sample1\"<\/span>,<\/span> userId<\/span> =<\/span> 1<\/span>),<\/span>\r\n      Sample<\/span>(<\/span>id<\/span> =<\/span> 2<\/span>,<\/span> name<\/span> =<\/span> \"sample2\"<\/span>,<\/span> userId<\/span> =<\/span> 2<\/span>),<\/span>\r\n      Sample<\/span>(<\/span>id<\/span> =<\/span> 3<\/span>,<\/span> name<\/span> =<\/span> \"sample3\"<\/span>,<\/span> userId<\/span> =<\/span> 3<\/span>)<\/span>\r\n    )<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                \u4ee5\u4e0b\u662f\u6f22\u8a9e\u7684\u539f\u751f\u91cb\u7fa9\uff1a<\/p>\n
                \u91cd\u9ede\u6709\u5169\u500b\uff1a
                \n1. \u7e7c\u627fGraphQLQueryResolver\u3002
                \n\u56e0\u70ba\u6211\u5011\u9019\u6b21\u662f\u5be6\u73feQuery\u7684\u64cd\u4f5c\uff0c\u6240\u4ee5\u61c9\u8a72\u7e7c\u627fGraphQLQueryResolver\u3002
                \n\u5982\u679c\u60f3\u5be6\u73feMutation\u7684\u64cd\u4f5c\uff0c\u5247\u61c9\u8a72\u7e7c\u627fGraphQLMutationResolver\u3002
                \n\u5982\u679c\u9700\u8981\u5be6\u73fe\u5169\u8005\u7684\u64cd\u4f5c\uff0c\u4e5f\u53ef\u4ee5\u5728\u4e00\u500bRootResolver\u4e2d\u540c\u6642\u7e7c\u627fGraphQLQueryResolver\u548cGraphQLMutationResolver\u3002<\/p>\n
                  \n
                1. \n
                    \u51c6\u5907\u4e00\u4e2a\u4e0e\u5728GraphQL\u4e2d\u5b9a\u4e49\u7684\u67e5\u8be2\u76f8\u540c\u540d\u79f0\u7684\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
                     <\/p>\n
                      \n
                    1. \n
                        \u5728graphql\/sample.graphql\u4e2d\uff0c\u5b9a\u4e49\u4e86\u540d\u4e3asamples\u7684\u67e5\u8be2\u8282\u70b9\uff0c\u56e0\u6b64\u5728RootReposolver\u4e2d\u4e5f\u9700\u8981\u5b9a\u4e49samples\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
                         <\/p>\n
                          \u6b64\u65f6\uff0c\u5982\u679c\u5728GraphQL\u7aef\u6307\u5b9a\u4e86\u53c2\u6570\uff0c\u90a3\u4e48RootReposolver\u7684\u65b9\u6cd5\u5fc5\u987b\u63a5\u6536\u4e0e\u4e4b\u5339\u914d\u7684\u53c2\u6570\u7c7b\u578b\u3002<\/ol>\n
                          \u5b9e\u73b0Resolver<\/h1>\n
                          \u6211\u5011\u5c07\u5be6\u73fe SampleResolver\u3002
                          \n\u6211\u5011\u5c07\u5be6\u73fe\u7576\u8abf\u7528 Sample.user \u7684\u5c6c\u6027\u6642\u7684\u8655\u7406\u3002<\/p>\n
                          \u8fd9\u4e2aSampleResolver\u5c06\u5728\u8fd4\u56deSample\u7c7b\u4f5c\u4e3a\u54cd\u5e94\u7684\u65f6\u5019\u89e6\u53d1\u3002
                          \n\u4e0e\u5f80\u5e38\u4e00\u6837\uff0cUseCase\u4e0d\u4f1a\u88ab\u8c03\u7528\uff0c\u800c\u662f\u4ece\u56fa\u5b9a\u7684List\u4e2d\u8fd4\u56de\u4e0eid\u5339\u914d\u7684\u5bf9\u8c61\u3002<\/p>\n
                          SampleResolver.kt \u7684\u4e2d\u6587\u672c\u5730\u5316\u5904\u7406<\/p>\n
                          class<\/span> SampleResolver<\/span>:<\/span> GraphQLResolver<\/span><<\/span>Sample<\/span>><\/span> {<\/span>\r\n\r\n  private<\/span> val<\/span> users<\/span> =<\/span> listOf<\/span>(<\/span>\r\n    User<\/span>(<\/span>id<\/span> =<\/span> 1<\/span>,<\/span> email<\/span> =<\/span> \"user1@hoge.com\"<\/span>),<\/span>\r\n    User<\/span>(<\/span>id<\/span> =<\/span> 2<\/span>,<\/span> email<\/span> =<\/span> \"user2@hoge.com\"<\/span>),<\/span>\r\n    User<\/span>(<\/span>id<\/span> =<\/span> 3<\/span>,<\/span> email<\/span> =<\/span> \"user3@hoge.com\"<\/span>)<\/span>\r\n  )<\/span>\r\n\r\n  fun<\/span> user<\/span>(<\/span>input<\/span>:<\/span> Sample<\/span>):<\/span> User<\/span>?<\/span> {<\/span>\r\n    return<\/span> users<\/span>.<\/span>find<\/span> {<\/span> it<\/span>.<\/span>id<\/span> ==<\/span> input<\/span>.<\/span>userId<\/span> }<\/span>\r\n  }<\/span>\r\n\r\n}<\/span>\r\n<\/code><\/pre>\n
                          \u91cd\u70b9\u6709\u4e24\u4e2a\u3002<\/p>\n
                            \n
                          1. \n
                              \u7ee7\u627fGraphQLResolver\u7c7b\u3002<\/ol>\n<\/li>\n<\/ol>\n
                               <\/p>\n
                                \n
                              1. \n
                                  \u901a\u8fc7\u4e3aResolver\u6307\u5b9a\u8981\u63a5\u6536\u7684\u5bf9\u8c61\u7c7b\u578b\u7684\u6cdb\u578b\u53c2\u6570\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\u7ee7\u627fGraphqlResolver\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                   <\/p>\n
                                    \n
                                  1. \n
                                      \u51c6\u5907\u4e00\u4e2a\u4e0e\u5728graphql\u4e2d\u5b9a\u4e49\u7684\u5c5e\u6027\u540c\u540d\u7684\u65b9\u6cd5\u3002<\/ol>\n<\/li>\n<\/ol>\n
                                       <\/p>\n
                                        \u7531\u4e8e\u8981\u5b9e\u73b0\u5bf9\u5728GraphQL\u4e2d\u5b9a\u4e49\u7684Sample.user\u5c5e\u6027\u7684\u5f15\u7528\u5904\u7406\uff0c\u56e0\u6b64\u9700\u8981\u5b9e\u73b0\u4e00\u4e2a\u540d\u4e3auser\u7684\u65b9\u6cd5\u3002<\/ol>\n
                                        4. \u5b9e\u73b0Handler<\/h1>\n
                                        \u6211\u4eec\u5c06\u524d\u9762\u5b9a\u4e49\u7684 sample.graphql \u6587\u4ef6\u548c Resolver \u6ce8\u518c\u5230 Handler \u4e2d\u3002
                                        \n\u8fd9\u6837\u4e00\u6765\uff0c\u6211\u4eec\u5c31\u80fd\u5728 GraphQL \u670d\u52a1\u5668\u4e0a\u5904\u7406\u8bf7\u6c42\u4e86\u3002<\/p>\n
                                        GraphqlHander.kt\u7684\u6c49\u8bed\u672c\u5730\u5316\u4e3a\uff1aGraphql\u5904\u7406\u5668.kt<\/p>\n
                                        class<\/span> GraphQLHander<\/span> {<\/span>\r\n\r\n  \/**\r\n  * GraphQL\u306e\u30b9\u30ad\u30fc\u30de\u3092\u30d3\u30eb\u30c9\u3057\u307e\u3059\u3002\r\n  * filePath\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u30b9\u30ad\u30fc\u30de\u3068Resolver\u3092\u767b\u9332\u3057\u307e\u3059\u3002\r\n  **\/<\/span>\r\n  fun<\/span> init<\/span>():<\/span> GraphQL<\/span> {<\/span>\r\n    val<\/span> filePath<\/span> =<\/span> \"graphql\/sample.graphql\"<\/span> \r\n    val<\/span> schema<\/span> =<\/span> SchemaParser<\/span>.<\/span>newParser<\/span>()<\/span>\r\n      \/\/ GraphQL\u306e\u5b9a\u7fa9\u3092\u8aad\u307f\u8fbc\u3080<\/span>\r\n      .<\/span>file<\/span>(<\/span>file<\/span>)<\/span>\r\n      \/\/ Resolver\u3092\u8aad\u307f\u8fbc\u307e\u305b\u3066\u3001GraphQL\u306e\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3068\u7d10\u3065\u3051\u308b<\/span>\r\n      .<\/span>resolvers<\/span>(<\/span>listOf<\/span>(<\/span>RootSampleResolver<\/span>(),<\/span> SampleResolver<\/span>()))<\/span> \r\n      .<\/span>build<\/span>()<\/span>\r\n      .<\/span>makeExecutableSchema<\/span>()<\/span>\r\n  }<\/span>\r\n\r\n  \/**\r\n  * GraphQL\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u307e\u3059\u3002\r\n  **\/<\/span>\r\n  fun<\/span> execute<\/span>(<\/span>query<\/span>:<\/span> String<\/span>,<\/span> operationName<\/span>:<\/span> String<\/span>,<\/span> variables<\/span>:<\/span> Map<\/span><<\/span>String<\/span>,<\/span> Any<\/span>>,<\/span> context<\/span>:<\/span> Any<\/span>):<\/span> ExecutionResult<\/span> {<\/span>\r\n    val<\/span> graphql<\/span> =<\/span> init<\/span>()<\/span>\r\n      return<\/span> graphql<\/span>.<\/span>execute<\/span>(<\/span>\r\n        ExecutionInput<\/span>.<\/span>newExecutionInput<\/span>()<\/span>\r\n          .<\/span>query<\/span>(<\/span>query<\/span>)<\/span>\r\n          .<\/span>operationName<\/span>(<\/span>operationName<\/span>)<\/span>\r\n          .<\/span>variables<\/span>(<\/span>variables<\/span>)<\/span>\r\n          .<\/span>context<\/span>(<\/span>context<\/span>)<\/span>\r\n          .<\/span>dataLoaderRegistry<\/span>(<\/span>dataLoaderProvider<\/span>.<\/span>provideDataLoaderRegistry<\/span>())<\/span>\r\n      )<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                                        \u53ef\u4ee5\u901a\u8fc7\u5c06GraphQL\u8bf7\u6c42\u53c2\u6570\u4f20\u9012\u5230\u5b9a\u4e49\u7684Handler\u7684execute\u65b9\u6cd5\u4e2d\u6765\u6267\u884cGraphQL\u5904\u7406\u3002<\/p>\n
                                        \u6211\u5c06\u4f7f\u7528 Ktor\uff0c\u5728 \/graphql \u8fd9\u4e2a\u7aef\u70b9\u4e0a\u8fdb\u884c GraphQL \u7684\u5904\u7406\u5b9e\u73b0\u3002<\/p>\n
                                        Routes.kt \u7684\u4e2d\u6587\u91ca\u4e49\u4e3a\u300c\u8def\u5f84.kt\u300d\u3002<\/p>\n
                                        \/\/ path\u306e\u6307\u5b9a<\/span>\r\n@Location<\/span>(<\/span>\"\/graphql\"<\/span>)<\/span>\r\n\/\/ \u30ea\u30af\u30a8\u30b9\u30c8\u3067\u53d7\u3051\u53d6\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8a2d\u5b9a<\/span>\r\ndata class<\/span> GraphQLRequest<\/span>(<\/span>val<\/span> query<\/span>:<\/span> String<\/span> =<\/span> \"\"<\/span>,<\/span> val<\/span> operationName<\/span>:<\/span> String<\/span> =<\/span> \"\"<\/span>,<\/span> val<\/span> variables<\/span>:<\/span> Map<\/span><<\/span>String<\/span>,<\/span> Any<\/span>><\/span> =<\/span> mapOf<\/span>())<\/span>\r\n\r\nfun<\/span> Application<\/span>.<\/span>routes<\/span>()<\/span> {<\/span>\r\n\r\n  val<\/span> handler<\/span> =<\/span> GraphQLHandler<\/span>()<\/span>\r\n\r\n  post<\/span><<\/span>GraphQLRequest<\/span>><\/span> {<\/span>\r\n      val<\/span> request<\/span> =<\/span> call<\/span>.<\/span>receive<\/span><<\/span>GraphQLRequest<\/span>>()<\/span>\r\n      val<\/span> query<\/span> =<\/span> request<\/span>.<\/span>query<\/span>\r\n      val<\/span> operationName<\/span> =<\/span> request<\/span>.<\/span>operationName<\/span>\r\n      val<\/span> variables<\/span> =<\/span> request<\/span>.<\/span>variables<\/span>\r\n      val<\/span> context<\/span> =<\/span> ConcurrentHashMap<\/span><<\/span>String<\/span>,<\/span> Any<\/span>>()<\/span>\r\n      call<\/span>.<\/span>respond<\/span>(<\/span>\r\n        \/\/ GraphQL\u306e\u51e6\u7406\u3092\u5b9f\u884c<\/span>\r\n        handler<\/span>.<\/span>execute<\/span>(<\/span>query<\/span>,<\/span> operationName<\/span>,<\/span> variables<\/span>,<\/span> context<\/span>).<\/span>toSpecification<\/span>()<\/span>\r\n      )<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
                                        \u73b0\u5728\uff0c\u5f53\u542f\u52a8\u670d\u52a1\u5668\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\/graphql\u7aef\u70b9\u63a5\u6536\u5230GraphQL\u8bf7\u6c42\u3002<\/p>\n
                                        \u7ed3\u675f<\/h1>\n
                                        \u8fd9\u6b21\u6211\u5b9e\u73b0\u4e86\u4e00\u4e2a\u7b80\u5355\u7684GraphQL\u670d\u52a1\u5668\uff0c\u6570\u636e\u7ed3\u6784\u7b80\u5355\u3002
                                        \n\u5982\u679c\u6709\u9700\u6c42\u7684\u8bdd\uff0c\u6211\u53ef\u4ee5\u5c55\u793a\u5b9e\u9645\u7684\u4ee3\u7801\u3002<\/p>\n
                                        \u5982\u679c\u80fd\u5bf9\u60a8\u6709\u4e00\u70b9\u5e2e\u52a9\uff0c\u6211\u5c06\u611f\u5230\u975e\u5e38\u5e78\u8fd0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                                        \u8fd9\u7bc7\u6587\u7ae0\u662f\u5173\u4e8e\u4ec0\u4e48\u7684\uff1f \u4f7f\u7528Kotlin + graphql-java-tools\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5e76 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47584","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528graqhql-java-tools\uff08\u52a0\u4e0akotlin\uff09\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5c1d\u8bd5 - 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\u7528graqhql-java-tools\uff08\u52a0\u4e0akotlin\uff09\u6765\u5b9e\u73b0graphql\u670d\u52a1\u5668\u5c1d\u8bd5\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528graqhql-java-tools\uff08\u52a0\u4e0akotlin\uff09\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5c1d\u8bd5\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u7bc7\u6587\u7ae0\u662f\u5173\u4e8e\u4ec0\u4e48\u7684\uff1f \u4f7f\u7528Kotlin + graphql-java-tools\u6765\u5b9e\u73b0GraphQL\u670d\u52a1\u5668\u5e76 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528graqhql-java-tools\uff08\u52a0\u4e0akotlin\uff09\u6765\u5b9e\u73b0graphql\u670d\u52a1\u5668\u5c1d\u8bd5\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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