{"id":48106,"date":"2023-05-23T06:19:48","date_gmt":"2023-07-24T09:43:11","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/nestjs-graphql-%e5%9c%a8federation%e9%85%8d%e7%bd%ae%e4%b8%ad%e5%a4%84%e7%90%86%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e6%a0%87%e5%a4%b4\/"},"modified":"2024-04-30T05:31:37","modified_gmt":"2024-04-29T21:31:37","slug":"nestjs-graphql-%e5%9c%a8federation%e9%85%8d%e7%bd%ae%e4%b8%ad%e5%a4%84%e7%90%86%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e6%a0%87%e5%a4%b4","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/nestjs-graphql-%e5%9c%a8federation%e9%85%8d%e7%bd%ae%e4%b8%ad%e5%a4%84%e7%90%86%e8%ba%ab%e4%bb%bd%e9%aa%8c%e8%af%81%e6%a0%87%e5%a4%b4\/","title":{"rendered":"[NestJS\/GraphQL] \u5728Federation\u914d\u7f6e\u4e2d\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u6807\u5934."},"content":{"rendered":"

\u6982\u8981 –<\/h1>\n

\u5982\u679c\u5728NestJS\u4e2d\u69cb\u5efaApolloFederation\u914d\u7f6e\uff0c\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u4e2d\u5305\u542b\u7684\u4fe1\u606f\u5728\u4ece\u7f51\u5173\u5230\u5404\u4e2a\u670d\u52a1\u83b7\u53d6\u6570\u636e\u7684\u8bf7\u6c42\u4e2d\u4e0d\u4f1a\u53cd\u6620\u51fa\u6765\u3002(\u7701\u7565\u4e86\u6709\u5173Federation\u914d\u7f6e\u548cMicroservice\u7684\u8be6\u7ec6\u4fe1\u606f)<\/p>\n

\u8fd9\u6b21\u7684\u8ba4\u8bc1\u662f\u4f7f\u7528Firebase Auth\u6765\u8fdb\u884c\u7684\uff0c\u5728\u7f51\u5173\u4e0b\u7684\u670d\u52a1\u4e2d\uff0c\u672c\u60f3\u7528\u7531Firebase\u751f\u6210\u7684Bearer\u4ee4\u724c\u8fdb\u884c\u7528\u6237\u8ba4\u8bc1\uff0c\u4f46\u6b63\u5982\u524d\u9762\u63d0\u5230\u7684\u90a3\u6837\uff0c\u7531\u4e8e\u7f51\u5173\u548c\u670d\u52a1\u4e4b\u95f4\u7684\u5934\u90e8\u4f1a\u88ab\u91cd\u65b0\u6784\u5efa\uff0c\u5bfc\u81f4\u8ba4\u8bc1\u4fe1\u606f\u4e22\u5931\u3002<\/p>\n

@<\/span>Injectable<\/span>()<\/span>\r\nexport<\/span> class<\/span> UsersGuard<\/span> implements<\/span> CanActivate<\/span> {<\/span>\r\n  constructor<\/span>(<\/span>private<\/span> readonly<\/span> usersService<\/span>:<\/span> UsersService<\/span>)<\/span> {}<\/span>\r\n    return<\/span> new<\/span> Promise<\/span>((<\/span>res<\/span>)<\/span> =><\/span> {<\/span>\r\n      const<\/span> ctx<\/span> =<\/span> GqlExecutionContext<\/span>.<\/span>create<\/span>(<\/span>context<\/span>);<\/span>\r\n      const<\/span> {<\/span> req<\/span> }<\/span> =<\/span> ctx<\/span>.<\/span>getContext<\/span>();<\/span>\r\n      const<\/span> authToken<\/span> =<\/span> req<\/span>.<\/span>headers<\/span>.<\/span>authorization<\/span> as<\/span> string<\/span>;<\/span> <-<\/span> \u3053\u3053\u304c\u53d6\u308c\u306a\u3044<\/span>\r\n<\/code><\/pre>\n
\u672c\u6587\u610f\u5728\u4e8e\u5b9e\u73b0\u4ece\u7f51\u5173\u5c06\u5305\u542b\u5728\u5ba2\u6237\u7aef\u8bf7\u6c42\u5934\u4e2d\u7684\u4fe1\u606f\u4f20\u9012\u7ed9\u5176\u4e0b\u5c5e\u7684\u670d\u52a1\u3002<\/p>\n
\u524d\u63d0 t\u00ed)<\/h1>\n
\u53ea\u63d0\u53d6\u76f8\u5173\u8f6f\u4ef6\u5305\u7684\u7248\u672c\u3002<\/p>\n
\"@apollo\/gateway\"<\/span>:<\/span> \"^0.48.1\"<\/span>,<\/span>\r\n\"@nestjs\/apollo\"<\/span>:<\/span> \"^10.0.5\"<\/span>,<\/span>\r\n\"@nestjs\/common\"<\/span>:<\/span> \"^8.0.0\"<\/span>,<\/span>\r\n\"@nestjs\/core\"<\/span>:<\/span> \"^8.0.0\"<\/span>,<\/span>\r\n\"@nestjs\/graphql\"<\/span>:<\/span> \"^10.0.5\"<\/span>,<\/span>\r\n<\/code><\/pre>\n
@nestjs\/graphql\u4f7f\u752810\u7cfb\u3002\u4e0e9\u7cfb\u6709\u5f88\u5927\u7684\u5199\u6cd5\u5dee\u5f02\uff0c\u9700\u6ce8\u610f\u3002
\n\uff08\u82e5\u8981\u5347\u7ea7\u7248\u672c\uff0c\u8bf7\u53c2\u80039\u7cfb\u523010\u7cfb\u7684\u8fc1\u79fb\u6307\u5357\uff09
\nhttps:\/\/docs.nestjs.com\/graphql\/federation<\/p>\n
\u7ed3\u8bba<\/h1>\n
\u53ea\u9700\u8981\u4e00\u4e2a\u9009\u9879\uff1a<\/p>\n
\u53ea\u8981\u5728\u4f20\u9012\u7ed9Gateway\u7684GraphQLModule.forRoot\u7684\u914d\u7f6e\u4e2d\u91cd\u65b0\u6784\u5efa\u6807\u5934\u5373\u53ef\u3002<\/p>\n
import<\/span> {<\/span> IntrospectAndCompose<\/span>,<\/span> RemoteGraphQLDataSource<\/span> }<\/span> from<\/span> '<\/span>@apollo\/gateway<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> Module<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/common<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> GraphQLModule<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/graphql<\/span>'<\/span>;<\/span>\r\nimport<\/span> {<\/span> ApolloGatewayDriver<\/span>,<\/span> ApolloGatewayDriverConfig<\/span> }<\/span> from<\/span> '<\/span>@nestjs\/apollo<\/span>'<\/span>;<\/span>\r\n\r\n@<\/span>Module<\/span>({<\/span>\r\n  imports<\/span>:<\/span> [<\/span>\r\n    GraphQLModule<\/span>.<\/span>forRoot<\/span><<\/span>ApolloGatewayDriverConfig<\/span>><\/span>({<\/span>\r\n      driver<\/span>:<\/span> ApolloGatewayDriver<\/span>,<\/span>\r\n      server<\/span>:<\/span> {<\/span>\r\n        cors<\/span>:<\/span> true<\/span>,<\/span>\r\n      },<\/span>\r\n      gateway<\/span>:<\/span> {<\/span>\r\n        supergraphSdl<\/span>:<\/span> new<\/span> IntrospectAndCompose<\/span>({<\/span>\r\n          subgraphs<\/span>:<\/span> [<\/span>\r\n            {<\/span> name<\/span>:<\/span> '<\/span>users<\/span>'<\/span>,<\/span> url<\/span>:<\/span> `<\/span>${<\/span>process<\/span>.<\/span>env<\/span>.<\/span>USERS_URL<\/span>}<\/span>\/graphql`<\/span> },<\/span>\r\n          ],<\/span>\r\n        }),<\/span>\r\n\t\/\/ \u3053\u3053\u304b\u3089 -----------<\/span>\r\n        buildService<\/span>:<\/span> ({<\/span> name<\/span>,<\/span> url<\/span> })<\/span> =><\/span> {<\/span>\r\n          return<\/span> new<\/span> RemoteGraphQLDataSource<\/span>({<\/span>\r\n            url<\/span>,<\/span>\r\n            willSendRequest<\/span>({<\/span> request<\/span>,<\/span> context<\/span> })<\/span> {<\/span>\r\n              if <\/span>(<\/span>Object<\/span>.<\/span>keys<\/span>(<\/span>context<\/span>).<\/span>length<\/span> ><\/span> 0<\/span>)<\/span> {<\/span>\r\n                request<\/span>.<\/span>http<\/span>.<\/span>headers<\/span>.<\/span>set<\/span>(<\/span>\r\n                  '<\/span>Authorization<\/span>'<\/span>,<\/span>\r\n                  context<\/span>[<\/span>'<\/span>req<\/span>'<\/span>][<\/span>'<\/span>headers<\/span>'<\/span>][<\/span>'<\/span>authorization<\/span>'<\/span>],<\/span>\r\n                );<\/span>\r\n              }<\/span>\r\n            },<\/span>\r\n          });<\/span>\r\n\t \/\/ ----------- \u3053\u3053\u307e\u3067<\/span>\r\n        },<\/span>\r\n      },<\/span>\r\n    }),<\/span>\r\n  ],<\/span>\r\n})<\/span>\r\nexport<\/span> class<\/span> AppModule<\/span> {}<\/span>\r\n<\/code><\/pre>\n
\u5728\u4f20\u9012\u7ed9buildService\u7684\u51fd\u6570\u53c2\u6570\u4e2d\u6709\u540d\u4e3aname\u548curl\u7684\u53c2\u6570\uff0c
\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c
\nname\u4e3a”users”\uff0curl\u4e3a${process.env.USERS_URL}\/graphql\u3002
\n\u5982\u679c\u60f3\u8981\u6839\u636e\u8bbf\u95ee\u6570\u636e\u7684\u670d\u52a1\u6765\u6539\u53d8\u5904\u7406\u65b9\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u4fe1\u606f\u8fdb\u884c\u5206\u652f\u5224\u65ad\u3002<\/p>\n
\u603b\u4e4b<\/h1>\n
\u6211\u60f3\u8981\u5b9e\u73b0Apollo Federation\uff0c\u4f46\u5728\u7f51\u5173\u4e0a\u4e0d\u8fdb\u884c\u8ba4\u8bc1
\n\u5982\u679c\u6211\u60f3\u5728\u6bcf\u4e2a\u5b50\u670d\u52a1\u4e0a\u90fd\u8fdb\u884c\u8ba4\u8bc1\uff0c
\n\u6211\u4ecb\u7ecd\u4e86\u4e00\u79cd\u5c06\u8bf7\u6c42\u5934\u4f20\u9012\u7ed9\u670d\u52a1\u7684\u65b9\u6cd5\u3002<\/p>\n
\u5982\u679c\u5bf9\u6b63\u5728\u4f7f\u7528NestJS+GraphQL\u6280\u672f\u6808\u8fdb\u884c\u5f00\u53d1\u7684ApolloFederation\u7528\u6237\u6709\u6240\u5e2e\u52a9\uff0c\u90a3\u6211\u5c31\u5f88\u9ad8\u5174\u3002<\/p>\n
\u5982\u679c\u6709\u4efb\u4f55\u95ee\u9898\u6216\u6307\u51fa\u7684\u4e8b\u9879\uff0c\u6b22\u8fce\u63d0\u51fa\uff0c\u56e0\u4e3a\u6211\u4e3a\u4e86\u7b80\u6d01\u8d77\u89c1\u5199\u4e86\u5c11\u91cf\u4fe1\u606f\u3002<\/p>\n
\u8bf7\u53c2\u8003\u4ee5\u4e0b\u94fe\u63a5<\/h1>\n
\u963f\u6ce2\u7f57\/\u7f51\u5173\u7684\u6587\u4ef6-\u963f\u6ce2\u7f57\/\u7f51\u5173\u6587\u6863<\/p>\n
\u5c3d\u7ba1\u4e0d\u662fNestJS\uff0c\u4f46\u6211\u53c2\u8003\u4e86\u4e00\u7bc7\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6982\u8981 – \u5982\u679c\u5728NestJS\u4e2d\u69cb\u5efaApolloFederation\u914d\u7f6e\uff0c\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u5ba2\u6237\u7aef\u8bf7\u6c42 […]<\/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-48106","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n[NestJS\/GraphQL] \u5728Federation\u914d\u7f6e\u4e2d\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u6807\u5934. - 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\/nestjs-graphql-\u5728federation\u914d\u7f6e\u4e2d\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u6807\u5934\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[NestJS\/GraphQL] \u5728Federation\u914d\u7f6e\u4e2d\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u6807\u5934.\" \/>\n<meta property=\"og:description\" content=\"\u6982\u8981 – \u5982\u679c\u5728NestJS\u4e2d\u69cb\u5efaApolloFederation\u914d\u7f6e\uff0c\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u5ba2\u6237\u7aef\u8bf7\u6c42 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/nestjs-graphql-\u5728federation\u914d\u7f6e\u4e2d\u5904\u7406\u8eab\u4efd\u9a8c\u8bc1\u6807\u5934\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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