{"id":44311,"date":"2023-10-20T05:05:45","date_gmt":"2023-01-28T00:50:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/golang%e5%92%8cgrpc%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95\/"},"modified":"2024-05-04T05:06:52","modified_gmt":"2024-05-03T21:06:52","slug":"golang%e5%92%8cgrpc%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/golang%e5%92%8cgrpc%e7%9a%84%e5%a4%87%e5%bf%98%e5%bd%95\/","title":{"rendered":"golang\u548cgrpc\u7684\u5907\u5fd8\u5f55"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u8fd9\u4e2a\u662f\u4e3a\u4e86\u6211\u81ea\u5df1\u5199\u7684\uff0c\u4e0egrpc\u7684\u5feb\u901f\u5165\u95e8\u6ca1\u6709\u592a\u5927\u533a\u522b\u3002<br \/>\n\u6e90\u4ee3\u7801\uff1ahttps:\/\/github.com\/lightstaff\/grpc_test<\/p>\n<h1>\u51c6\u5907 GRPC<\/h1>\n<p>\u8fd9\u91cc\u679c\u7136\u8fd8\u662f\u6309\u7167\u4e0a\u8ff0\u7684\u5feb\u901f\u5165\u95e8\u6307\u5357\u6765&#8230;<\/p>\n<h1>\u51c6\u5907\u534f\u8bae<\/h1>\n<p>\u5728.proto\u6587\u4ef6\u4e2d\u7f16\u5199\u5b9a\u4e49\u3002\u672c\u6b21\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8fd4\u56de\u5305\u542b\u7b80\u5355\u5b57\u7b26\u4e32&#8221;Hello&#8221;\u7684\u7ed3\u6784\u4f53\u7684\u670d\u52a1\uff08GetHello\uff09\uff0c\u5e76\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4f7f\u7528\u6d41\u5f0f\u5904\u7406\u673a\u5236\u5c06\u63a5\u6536\u5230\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5927\u5199\u5b57\u6bcd\u5e76\u8fd4\u56de\u7684\u670d\u52a1\uff08UpperCharacters\uff09\u3002<br \/>\n\u5bfc\u5165\u7684[github.com\/gogo\/protobuf\/gogoproto\/gogo.proto]\u6587\u4ef6\u6269\u5c55\u4e86\u751f\u6210\u5668\u5e76\u63d0\u4f9b\u4e86\u5404\u79cd\u4fbf\u5229\u529f\u80fd\uff08\u4ee5\u4e0b\u7565\uff09\u3002<\/p>\n<p>ProtoBuf.proto &#8211; \u5e8f\u5217\u5316\u534f\u8bae.proto<\/p>\n<pre class=\"post-pre\"><code>syntax = \"proto3\";\r\n\r\npackage gprc_test;\r\n\r\n\/\/ \u8272\u3005\u4fbf\u5229\r\nimport \"github.com\/gogo\/protobuf\/gogoproto\/gogo.proto\";\r\n\r\noption go_package = \"protobuf\";\r\noption (gogoproto.marshaler_all) = true;\r\noption (gogoproto.sizer_all) = true;\r\noption (gogoproto.unmarshaler_all) = true;\r\noption (gogoproto.goproto_getters_all) = false;\r\n\r\n\/\/ \u30b5\u30fc\u30d3\u30b9\u5b9a\u7fa9\r\nservice GRPCTestServcie {\r\n    \/\/ Hello\u3068\u8fd4\u3059\u3060\u3051\u306e\u30b5\u30fc\u30d3\u30b9\r\n    rpc GetHello(Empty) returns (ReplyModel) {}\r\n\r\n    \/\/ stream\u7d4c\u7531\u3067\u53d7\u3051\u305f\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u5316\u3057\u3066\u8fd4\u3059\u30b5\u30fc\u30d3\u30b9\r\n    rpc UpperCharacters(stream ReqModel) returns (stream ReplyModel) {}\r\n}\r\n\r\n\/\/ \u7a7a\r\nmessage Empty {}\r\n\r\n\/\/ Request\r\nmessage ReqModel {\r\n    string message = 1;\r\n}\r\n\r\n\/\/ Replay\r\nmessage ReplyModel {\r\n    string result = 1;\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff1a<br \/>\n\u901a\u8fc7protoc &#8211;proto_path=$GOPATH\/src:$GOPATH\/src\/github.com\/gogo\/protobuf\/protobuf:. &#8211;gofast_out=plugins=grpc:. .\/protobuf\/protobuf.proto<br \/>\n\u53ef\u4ee5\u751f\u6210Go\u8bed\u8a00\u7684\u534f\u8bae\u6587\u4ef6\uff08protobuf\/protobuf.pb.go\uff09<\/p>\n<h1>\u670d\u52a1\u5668\u7aef<\/h1>\n<p>\u53c2\u8003protobuf\/protobuf.pb.go\u6587\u4ef6\uff0c\u5e76\u7f16\u5199\u670d\u52a1\u5668\u4ee3\u7801\u3002<\/p>\n<p>\u76ee\u524d\uff0c\u65e0\u6cd5\u4f7f\u7528\u5df2\u6807\u51c6\u5316\u76841.6\u62161.7\u7248\u672c\u7684context\u3002\u5fc5\u987b\u4f7f\u7528golang.org\/x\/net\/context\u3002\u8bf7\u6ce8\u610f\u907f\u514d\u6df7\u6dc6\u3002<\/p>\n<p>\u670d\u52a1\u8fdb\u884c\u4e2d<\/p>\n<pre class=\"post-pre\"><code>package main\r\n\r\nimport (\r\n    \"io\"\r\n    \"strings\"\r\n\r\n    pb \"github.com\/lightstaff\/grpc_test\/protobuf\"\r\n\r\n    netCtx \"golang.org\/x\/net\/context\"\r\n)\r\n\r\n\/\/ Service model\r\ntype Service struct{}\r\n\r\n\/\/ \u5358\u7d14\u306bHello\u3068\u8fd4\u3059\r\nfunc (s *Service) GetHello(ctx netCtx.Context, e *pb.Empty) (*pb.ReplyModel, error) {\r\n    return &amp;pb.ReplyModel{\r\n        Result: \"Hello\",\r\n    }, nil\r\n}\r\n\r\n\/\/ stream\u7d4c\u7531\u3067\u53d7\u3051\u305f\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u5316\u3057\u3066\u8fd4\u3059\r\nfunc (s *Service) UpperCharacters(stream pb.GRPCTestServcie_UpperCharactersServer) error {\r\n    for {\r\n        \/\/ stream\u304c\u7d42\u4e86\u3059\u308b\u307e\u3067\u53d7\u4fe1\u3057\u7d9a\u3051\u308b\r\n        req, err := stream.Recv()\r\n        if err == io.EOF {\r\n            break\r\n        }\r\n        if err != nil {\r\n            return err\r\n        }\r\n\r\n        \/\/ \u53d7\u3051\u305fReqModel\u304b\u3089\u5927\u6587\u5b57\u5316\u3057\u3066stream\u306bReplyModel\u3092\u9001\u4fe1\r\n        if err := stream.Send(&amp;pb.ReplyModel{\r\n            Result: strings.ToUpper(req.Message),\r\n        }); err != nil {\r\n            return err\r\n        }\r\n    }\r\n\r\n    return nil\r\n}\r\n<\/code><\/pre>\n<p>\u4e3b\u8981.go<\/p>\n<pre class=\"post-pre\"><code>package main\r\n\r\nimport (\r\n    \"net\"\r\n    \"os\"\r\n    \"os\/signal\"\r\n    \"syscall\"\r\n\r\n    pb \"github.com\/lightstaff\/grpc_test\/protobuf\"\r\n\r\n    \"google.golang.org\/grpc\"\r\n)\r\n\r\nfunc main() {\r\n    g := grpc.NewServer()\r\n    s := &amp;Service{}\r\n\r\n    pb.RegisterGRPCTestServcieServer(g, s)\r\n\r\n    errC := make(chan error)\r\n\r\n    go func() {\r\n        lis, err := net.Listen(\"tcp\", \":18080\")\r\n        if err != nil {\r\n            errC &lt;- err\r\n        }\r\n\r\n        if err := g.Serve(lis); err != nil {\r\n            errC &lt;- err\r\n        }\r\n    }()\r\n\r\n    quitC := make(chan os.Signal)\r\n    signal.Notify(quitC, syscall.SIGINT, syscall.SIGTERM)\r\n\r\n    select {\r\n    case err := &lt;-errC:\r\n        panic(err)\r\n    case &lt;-quitC:\r\n        g.Stop()\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u8fd9\u4e2a\uff0c\u60a8\u53ef\u4ee5\u62e8\u53f7\u8fde\u63a5\u5230localhost:18080\u3002<\/p>\n<h1>\u5ba2\u6237\u7aef<\/h1>\n<p>\u5ba2\u6237\u8ba1\u5212\u4f7f\u7528Web\u670d\u52a1\uff0c\u5e76\u4f7f\u7528\u56de\u58f0\u529f\u80fd\u3002<\/p>\n<p>\u63a7\u5236\u5668.go<\/p>\n<pre class=\"post-pre\"><code>package main\r\n\r\nimport (\r\n    \"io\"\r\n    \"net\/http\"\r\n\r\n    pb \"github.com\/lightstaff\/grpc_test\/protobuf\"\r\n\r\n    \"github.com\/labstack\/echo\"\r\n    netCtx \"golang.org\/x\/net\/context\"\r\n)\r\n\r\n\/\/ Helo\u3068\u8fd4\u3059\u3060\u3051\r\nfunc GetHello(c echo.Context) error {\r\n    sc, ok := c.(*ServiceContext)\r\n    if !ok {\r\n        return echo.NewHTTPError(http.StatusBadRequest, \"\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u53d6\u5f97\u3067\u304d\u307e\u305b\u3093\")\r\n    }\r\n\r\n    rep, err := sc.ServiceClient.GetHello(netCtx.Background(), &amp;pb.Empty{})\r\n    if err != nil {\r\n        return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n    }\r\n\r\n    return c.JSON(http.StatusOK, map[string]interface{}{\r\n        \"reply\": rep.Result,\r\n    })\r\n}\r\n\r\n\/\/ stream\u7d4c\u7531\u3067\u53d7\u3051\u305f\u6587\u5b57\u5217\u3092\u5927\u6587\u5b57\u5316\u3057\u3066\u8fd4\u3059\u30b5\u30fc\u30d3\u30b9\u3092\u547c\u3073\u51fa\u3057\u3066\u3084\u308a\u3068\u308a\r\nfunc UpperCharacters(c echo.Context) error {\r\n    sc, ok := c.(*ServiceContext)\r\n    if !ok {\r\n        return echo.NewHTTPError(http.StatusBadRequest, \"\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u304c\u53d6\u5f97\u3067\u304d\u307e\u305b\u3093\")\r\n    }\r\n\r\n    type bodyModel struct {\r\n        Messages []string `json:\"messages\"`\r\n    }\r\n\r\n    \/\/ JSON\u3092\u5909\u63db\r\n    var m bodyModel\r\n    if err := c.Bind(&amp;m); err != nil {\r\n        return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n    }\r\n\r\n    \/\/ stream\u3092\u751f\u6210\r\n    stream, err := sc.ServiceClient.UpperCharacters(netCtx.Background())\r\n    if err != nil {\r\n        return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n    }\r\n\r\n    \/\/ \u53d7\u4fe1\u306fgoroutine\u3067\r\n    errC := make(chan error)\r\n    resultC := make(chan *pb.ReplyModel)\r\n    doneC := make(chan struct{})\r\n    go func() {\r\n        defer func() {\r\n            close(errC)\r\n            close(resultC)\r\n            close(doneC)\r\n        }()\r\n\r\n        for {\r\n            res, err := stream.Recv()\r\n            if err == io.EOF {\r\n                break\r\n            }\r\n            if err != nil {\r\n                errC &lt;- err\r\n                return\r\n            }\r\n\r\n            resultC &lt;- res\r\n        }\r\n    }()\r\n\r\n    \/\/ \u6587\u5b57\u5217\u3092steam\u306b\u9001\u308b\r\n    for _, message := range m.Messages {\r\n        if err := stream.Send(&amp;pb.ReqModel{\r\n            Message: message,\r\n        }); err != nil {\r\n            return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n        }\r\n    }\r\n\r\n    if err := stream.CloseSend(); err != nil {\r\n        return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n    }\r\n\r\n    \/\/ \u3053\u306e\u8fba\u3082\u3046\u3061\u3087\u3063\u3068\u30b9\u30de\u30fc\u30c8\u306b\u66f8\u304d\u305f\u3044\u2026\r\n    results := make([]string, 0)\r\n    for {\r\n        select {\r\n        case err := &lt;-errC:\r\n            if err != nil {\r\n                return echo.NewHTTPError(http.StatusBadRequest, err.Error())\r\n            }\r\n        case result := &lt;-resultC:\r\n            if result != nil {\r\n                results = append(results, result.Result)\r\n            }\r\n        case &lt;-doneC:\r\n            return c.JSON(http.StatusOK, map[string]interface{}{\r\n                \"results\": results,\r\n            })\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u4e3b\u8981\u7684.go\u6587\u4ef6<\/p>\n<pre class=\"post-pre\"><code>package main\r\n\r\nimport (\r\n    \"context\"\r\n    \"net\/http\"\r\n    \"os\"\r\n    \"os\/signal\"\r\n    \"syscall\"\r\n    \"time\"\r\n\r\n    pb \"github.com\/lightstaff\/grpc_test\/protobuf\"\r\n\r\n    \"google.golang.org\/grpc\"\r\n    \"github.com\/labstack\/echo\"\r\n)\r\n\r\ntype ServiceContext struct {\r\n    echo.Context\r\n    ServiceClient pb.GRPCTestServcieClient\r\n}\r\n\r\n\/\/ \u3053\u306eMiddleware\u3067GRPC\u306b\u30c0\u30a4\u30a2\u30eb\r\nfunc serviceContextMiddleware(grpcAddr string) echo.MiddlewareFunc {\r\n    return func(next echo.HandlerFunc) echo.HandlerFunc {\r\n        return func(c echo.Context) error {\r\n            cc, err := grpc.Dial(grpcAddr, grpc.WithBlock(), grpc.WithInsecure())\r\n            if err != nil {\r\n                return echo.NewHTTPError(http.StatusInternalServerError, err.Error())\r\n            }\r\n            defer cc.Close()\r\n\r\n            sc := &amp;ServiceContext{\r\n                Context:       c,\r\n                ServiceClient: pb.NewGRPCTestServcieClient(cc),\r\n            }\r\n\r\n            return next(sc)\r\n        }\r\n    }\r\n}\r\n\r\nfunc main() {\r\n    e := echo.New()\r\n\r\n    e.Use(serviceContextMiddleware(\"localhost:18080\"))\r\n\r\n    e.GET(\"\/hello\", GetHello)\r\n    e.POST(\"\/upper-characters\", UpperCharacters)\r\n\r\n    errC := make(chan error)\r\n    go func() {\r\n        if err := e.Start(\":8080\"); err != nil {\r\n            errC &lt;- err\r\n        }\r\n    }()\r\n\r\n    quitC := make(chan os.Signal)\r\n    signal.Notify(quitC, syscall.SIGINT, syscall.SIGTERM)\r\n\r\n    select {\r\n    case err := &lt;-errC:\r\n        panic(err)\r\n    case &lt;-quitC:\r\n        shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)\r\n        defer cancel()\r\n        if err := e.Shutdown(shutdownCtx); err != nil {\r\n            errC &lt;- err\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>\u8bf7\u901a\u8fc7JSON\u5c06`{&#8220;messages:[&#8220;aaa&#8221;,&#8221;bbb&#8221;,&#8221;ccc&#8221;]}&#8217;`\u4f20\u9012\u7ed9`upper-characters`\u3002\u9700\u8981\u63d0\u9192\u7684\u662f\uff0c\u5728\u670d\u52a1\u7aef\u8fd4\u56de`ReplyModel`\u4e4b\u524d\uff0c\u5982\u679c\u65b9\u6cd5\u5df2\u7ecf\u7ed3\u675f\u5e76\u4e14`ServiceClient`\u5df2\u88ab\u91ca\u653e\uff0c\u670d\u52a1\u5668\u5c06\u5931\u53bb\u53d1\u9001\u76ee\u6807\u5e76\u53ef\u80fd\u5f15\u53d1\u9519\u8bef\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u8fd9\u4e2a\u662f\u4e3a\u4e86\u6211\u81ea\u5df1\u5199\u7684\uff0c\u4e0egrpc\u7684\u5feb\u901f\u5165\u95e8\u6ca1\u6709\u592a\u5927\u533a\u522b\u3002 \u6e90\u4ee3\u7801\uff1ahttps:\/\/github.com\/ [&hellip;]<\/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-44311","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>golang\u548cgrpc\u7684\u5907\u5fd8\u5f55 - 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\/golang\u548cgrpc\u7684\u5907\u5fd8\u5f55\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"golang\u548cgrpc\u7684\u5907\u5fd8\u5f55\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u8fd9\u4e2a\u662f\u4e3a\u4e86\u6211\u81ea\u5df1\u5199\u7684\uff0c\u4e0egrpc\u7684\u5feb\u901f\u5165\u95e8\u6ca1\u6709\u592a\u5927\u533a\u522b\u3002 \u6e90\u4ee3\u7801\uff1ahttps:\/\/github.com\/ [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/golang\u548cgrpc\u7684\u5907\u5fd8\u5f55\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-28T00:50:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T21:06:52+00:00\" \/>\n<meta name=\"author\" content=\"\u9038, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u9038, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 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