{"id":47637,"date":"2023-10-06T17:32:30","date_gmt":"2023-11-25T03:56:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8b%e7%bb%8d%e4%ba%86%e7%94%a8%e4%ba%8egrpc%e5%be%ae%e6%9c%8d%e5%8a%a1%e7%9a%84graphql-gateway%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/"},"modified":"2024-05-04T03:08:08","modified_gmt":"2024-05-03T19:08:08","slug":"%e4%bb%8b%e7%bb%8d%e4%ba%86%e7%94%a8%e4%ba%8egrpc%e5%be%ae%e6%9c%8d%e5%8a%a1%e7%9a%84graphql-gateway%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bb%8b%e7%bb%8d%e4%ba%86%e7%94%a8%e4%ba%8egrpc%e5%be%ae%e6%9c%8d%e5%8a%a1%e7%9a%84graphql-gateway%e6%9c%8d%e5%8a%a1%e5%99%a8%e3%80%82\/","title":{"rendered":"\u4ecb\u7ecd\u4e86\u7528\u4e8egRPC\u5fae\u670d\u52a1\u7684graphql-gateway\u670d\u52a1\u5668"},"content":{"rendered":"

\u8fd9\u662fGraphQL Advent Calendar 2019\u7684\u7b2c14\u4e2a\u5e16\u5b50\u3002<\/p>\n

\u8fd9\u6b21\u4ecb\u7ecd\u7684\u662f\u6211\u6b63\u5728\u4ee5\u5174\u8da3\u4e3a\u57fa\u7840\u5f00\u53d1\u7684GraphQL\u7f51\u5173\u3002
\ngRPC\u751f\u6001\u7cfb\u7edf\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3agrpc-gateway\u7684\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u5b83\u53ef\u4ee5\u5c06JSON\u8f6c\u6362\u4e3aREST-API\uff0c\u5e76\u80fd\u81ea\u52a8\u751f\u6210\u534f\u8bae\u7f13\u51b2\u533a\u3002
\nGraphQL\u7f51\u5173\u4e5f\u53ef\u4ee5\u7c7b\u4f3c\u5730\u6839\u636e\u534f\u8bae\u7f13\u51b2\u533a\u81ea\u52a8\u751f\u6210\u9002\u7528\u4e8eGraphQL\u7684\u53cd\u5411\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u4f9b\u4f7f\u7528\u3002<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u79cd\u53ef\u80fd\u7684\u4e2d\u6587\u7ffb\u8bd1\uff1a
\nGitHub\u5b58\u50a8\u5e93<\/p>\n

\u5b89\u88c5\u6b65\u9aa4<\/h2>\n

\u53ea\u9650\u4e8e\u4f7f\u7528Golang\u8fdb\u884c\u5f00\u53d1\u73af\u5883\u7684\u524d\u63d0\u6761\u4ef6\u3002<\/p>\n

\u5b89\u88c5 protoc-gen-graphql-gateway<\/p>\n

go get -u<\/span> github.com\/grpc-custom\/graphql-gateway\/cmd\/protoc-gen-graphql-gateway\r\ngo get -u<\/span> github.com\/golang\/protobuf\/protoc-gen-go\r\n<\/code><\/pre>\n
\u5982\u679c\u5df2\u7ecf\u5b89\u88c5\u4e86gRPC\uff0c\u90a3\u5c31\u9700\u8981\u4f7f\u7528protoc-gen-go\u3002(\u5982\u679c\u5df2\u7ecf\u5b89\u88c5\u4e86\uff0c\u5c31\u4e0d\u9700\u8981\u4e86\u3002)<\/p>\n
\u4f7f\u7528\u65b9\u6cd5<\/h2>\n
\u6211\u60f3\u5236\u4f5c\u4e00\u4e2a\u4f5c\u4e3a\u793a\u4f8b\u7684UserService\u548cBookService\u3002UserService\u53ef\u4ee5\u6839\u636eID\u83b7\u53d6\u7528\u6237\u6570\u636e\uff0c\u800cBookService\u53ef\u4ee5\u6839\u636eISBN\u83b7\u53d6\u56fe\u4e66\u6570\u636e\u3002<\/p>\n
\u5b9a\u4e49proto<\/h3>\n
\u7528\u6237.proto<\/p>\n
syntax<\/span> =<\/span> \"proto3\"<\/span>;<\/span>\r\npackage<\/span> user<\/span>;<\/span>\r\n\r\nimport<\/span> \"github.com\/grpc-custom\/graphql-gateway\/graphql.proto\"<\/span>;<\/span>\r\n\r\nmessage<\/span> User<\/span> {<\/span>\r\n  int32<\/span> id<\/span>    =<\/span> 1<\/span>;<\/span>\r\n  string<\/span> name<\/span> =<\/span> 2<\/span>;<\/span>\r\n}<\/span>\r\n\r\nmessage<\/span> GetUserRequest<\/span> {<\/span>\r\n  int32<\/span> id<\/span> =<\/span> 1<\/span>;<\/span>\r\n}<\/span>\r\n\r\nmessage<\/span> GetUserResponse<\/span> {<\/span>\r\n  User<\/span> user<\/span> =<\/span> 1<\/span>;<\/span>\r\n}<\/span>\r\n\r\nservice<\/span> UserService<\/span> {<\/span>\r\n  rpc<\/span> GetUser<\/span>(<\/span>GetUserRequest<\/span>)<\/span> returns<\/span> (<\/span>GetUserResponse<\/span>)<\/span> {<\/span>\r\n    \/\/ graphql-gateway\u306e\u30ab\u30b9\u30bf\u30e0\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b<\/span>\r\n    option<\/span> (<\/span>grpc_custom.graphql.schema<\/span>)<\/span> =<\/span> {<\/span>\r\n      query<\/span>:<\/span> \"getUser\"<\/span> \/\/ GraphQL\u306e\u30af\u30a8\u30ea\u30fc\u6587\u5b57\u6307\u5b9a<\/span>\r\n    };<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u56fe\u4e66\u670d\u52a1<\/p>\n
syntax<\/span> =<\/span> \"proto3\"<\/span>;<\/span>\r\npackage<\/span> book<\/span>;<\/span>\r\n\r\nimport<\/span> \"github.com\/grpc-custom\/graphql-gateway\/graphql.proto\"<\/span>;<\/span>\r\n\r\nmessage<\/span> Book<\/span> {<\/span>\r\n  string<\/span> isbn<\/span>  =<\/span> 1<\/span>;<\/span>\r\n  string<\/span> title<\/span> =<\/span> 2<\/span>;<\/span>\r\n}<\/span>\r\n\r\nmessage<\/span> GetBookRequest<\/span> {<\/span>\r\n  string<\/span> isbn<\/span> =<\/span> 1<\/span>;<\/span>\r\n}<\/span>\r\n\r\nmessage<\/span> GetBookResponse<\/span> {<\/span>\r\n  Book<\/span> book<\/span> =<\/span> 1<\/span>;<\/span>\r\n}<\/span>\r\n\r\nservice<\/span> BookService<\/span> {<\/span>\r\n  rpc<\/span> GetBook<\/span>(<\/span>GetBookRequest<\/span>)<\/span> returns<\/span> (<\/span>GetBookResponse<\/span>)<\/span> {<\/span>\r\n    option<\/span> (<\/span>grpc_custom.graphql.schema<\/span>)<\/span> =<\/span> {<\/span>\r\n      query<\/span>:<\/span> \"getBook\"<\/span>\r\n    };<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u751f\u6210\u53cd\u5411\u4ee3\u7406<\/h3>\n
\u4f7f\u7528protoc\u547d\u4ee4\u751f\u6210GraphQL\u670d\u52a1\u5668\u3002<\/p>\n
protoc \\<\/span>\r\n  -I<\/span>=<\/span>${<\/span>GOPATH<\/span>}<\/span>\/src:. \\<\/span>\r\n  --go_out<\/span>=<\/span>plugins<\/span>=<\/span>grpc:. \\<\/span>\r\n  --graphql-gateway_out<\/span>=<\/span>.<\/span> \\<\/span>\r\n  \/path\/to\/user.proto\r\nprotoc \\<\/span>\r\n  -I<\/span>=<\/span>${<\/span>GOPATH<\/span>}<\/span>\/src:. \\<\/span>\r\n  --go_out<\/span>=<\/span>plugins<\/span>=<\/span>grpc:. \\<\/span>\r\n  --graphql-gateway_out<\/span>=<\/span>.<\/span> \\<\/span>\r\n  \/path\/to\/book.proto\r\n<\/code><\/pre>\n
\u751f\u6210\u7684\u6587\u4ef6\u540d\u4e3a.gql.go\u3002<\/p>\n
3. \u5b9e\u65bd\u670d\u52a1\u5668\u4ee3\u7801<\/h3>\n
\u4f7f\u7528\u75312\u751f\u6210\u7684GraphQL\u6765\u5b9e\u73b0Golang\u670d\u52a1\u5668\u3002<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"context\"<\/span>\r\n    \"log\"<\/span>\r\n    \"net\/http\"<\/span>\r\n\r\n    \"github.com\/grpc-custom\/graphql-gateway\/runtime\"<\/span>\r\n    \"google.golang.org\/grpc\"<\/span>\r\n\r\n    \"path\/to\/book\"<\/span> \/\/ protoc\u3067\u751f\u6210\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u3092import<\/span>\r\n    \"path\/to\/user\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    ctx<\/span> :=<\/span> context<\/span>.<\/span>Background<\/span>()<\/span>\r\n    ctx<\/span>,<\/span> cancel<\/span> :=<\/span> context<\/span>.<\/span>WithCancel<\/span>(<\/span>ctx<\/span>)<\/span>\r\n    defer<\/span> cancel<\/span>()<\/span>\r\n\r\n    mux<\/span>,<\/span> err<\/span> :=<\/span> runtime<\/span>.<\/span>NewServeMux<\/span>()<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatal<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n    opts<\/span> :=<\/span> []<\/span>grpc<\/span>.<\/span>DialOption<\/span>{<\/span>\r\n        grpc<\/span>.<\/span>WithInsecure<\/span>(),<\/span>\r\n    }<\/span>\r\n    \/\/ gRPC\u306eUserService\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u5b9a\u7fa9\u3092\u8ffd\u52a0<\/span>\r\n    err<\/span> =<\/span> user<\/span>.<\/span>RegisterUserServiceFromEndpoint<\/span>(<\/span>ctx<\/span>,<\/span> mux<\/span>,<\/span> \"localhost:9001\"<\/span>,<\/span> opts<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatal<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n    \/\/ gRPC\u306eBookService\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u5b9a\u7fa9\u3092\u8ffd\u52a0<\/span>\r\n    err<\/span> =<\/span> book<\/span>.<\/span>RegisterBookServiceFromEndpoint<\/span>(<\/span>ctx<\/span>,<\/span> mux<\/span>,<\/span> \"localhost:9002\"<\/span>,<\/span> opts<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatal<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n    err<\/span> =<\/span> http<\/span>.<\/span>ListenAndServe<\/span>(<\/span>\":8080\"<\/span>,<\/span> mux<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        log<\/span>.<\/span>Fatal<\/span>(<\/span>err<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u786e\u8ba4\u52a8\u4f5c<\/h2>\n
\u6211\u4eec\u5c06\u542f\u52a8 UserService \u548c BookService \u7684 gRPC \u670d\u52a1\u5668\uff0c\u5e76\u542f\u52a8\u5148\u524d\u521b\u5efa\u7684 GraphQL \u670d\u52a1\u5668\uff0c\u7136\u540e\u5c1d\u8bd5\u5b9e\u9645\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n
\u7531\u65bc\u7aef\u9ede\u56fa\u5b9a\u70ba\/graphql\uff0c\u56e0\u6b64\u6211\u5011\u5617\u8a66\u5c07\u8acb\u6c42\u767c\u9001\u5230\u8a72\u4f4d\u7f6e\u3002<\/p>\n
\u8fd9\u6b21\u6211\u5c06\u4f7f\u7528\u540d\u4e3aInsomnia\u7684\u5ba2\u6237\u7aef\u6765\u5c1d\u8bd5\u8bbf\u95ee\u3002<\/p>\n
\"sample\"<\/div>\n
\u53ef\u4ee5\u901a\u8fc7\u56fe\u50cf\u770b\u5230\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u4e24\u4e2a\u6570\u636e\u3002<\/p>\n
\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbf\u95eeUserService\u548cBookService\u4e2d\u4e0d\u540c\u7684gRPC\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u5b83\u4eec\u4f5c\u4e3a\u4e00\u4e2a\u54cd\u5e94\u8fd4\u56de\u7ed9\u524d\u7aef\u3002<\/p>\n
\u6574\u7406<\/h2>\n
\u672c\u6b21\u4ecb\u7ecd\u4e86\u6211\u6b63\u5728\u7528\u4e8e\u5a31\u4e50\u76ee\u7684\u7684graphql-gateway\u3002<\/p>\n
\u7531\u4e8e\u76ee\u524d\u53ea\u5b9e\u73b0\u4e86Query\u548cMutation\uff0c\u56e0\u6b64\u8fd8\u60f3\u8981\u6dfb\u52a0Subscription\u7684\u652f\u6301\uff0c\u6216\u8005\u589e\u52a0\u53ef\u4ee5\u4f7f\u7528CDN\u7684\u7f13\u5b58\u673a\u5236\uff0c\u4e5f\u5e0c\u671b\u80fd\u591f\u517c\u5bb9Apollo\u7b49\u5ba2\u6237\u7aef\u3002\u56e0\u4e3a\u6709\u5f88\u591a\u60f3\u505a\u7684\u4e8b\u60c5\uff0c\u6240\u4ee5\u5e0c\u671b\u80fd\u591f\u4e00\u6b65\u4e00\u6b65\u5730\u8fdb\u884c\u3002<\/p>\n
\u8bf7\u652f\u6301\u5e76\u7ed9\u6211\u4eec\u7684Github\u9879\u76ee\u70b9\u8d5e\uff0c\u8fd9\u5c06\u5bf9\u6211\u4eec\u672a\u6765\u7684\u5f00\u53d1\u52a8\u529b\u4ea7\u751f\u79ef\u6781\u5f71\u54cd\uff0c\u975e\u5e38\u611f\u8c22\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662fGraphQL Advent Calendar 2019\u7684\u7b2c14\u4e2a\u5e16\u5b50\u3002 \u8fd9\u6b21\u4ecb\u7ecd\u7684\u662f\u6211\u6b63\u5728\u4ee5\u5174\u8da3\u4e3a\u57fa\u7840\u5f00 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47637","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4ecb\u7ecd\u4e86\u7528\u4e8egRPC\u5fae\u670d\u52a1\u7684graphql-gateway\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\/\u4ecb\u7ecd\u4e86\u7528\u4e8egrpc\u5fae\u670d\u52a1\u7684graphql-gateway\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=\"\u4ecb\u7ecd\u4e86\u7528\u4e8egRPC\u5fae\u670d\u52a1\u7684graphql-gateway\u670d\u52a1\u5668\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u662fGraphQL Advent Calendar 2019\u7684\u7b2c14\u4e2a\u5e16\u5b50\u3002 \u8fd9\u6b21\u4ecb\u7ecd\u7684\u662f\u6211\u6b63\u5728\u4ee5\u5174\u8da3\u4e3a\u57fa\u7840\u5f00 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4ecb\u7ecd\u4e86\u7528\u4e8egrpc\u5fae\u670d\u52a1\u7684graphql-gateway\u670d\u52a1\u5668\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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