{"id":207178,"date":"2025-07-08T10:17:29","date_gmt":"2025-07-08T02:17:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207178\/"},"modified":"2025-07-08T10:17:29","modified_gmt":"2025-07-08T02:17:29","slug":"go-grpc%ef%bc%8c%e6%9c%aa%e5%ae%9a%e4%b9%89%ef%bc%9aregisterchatserviceserver","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207178\/","title":{"rendered":"Go gRPC\uff0c\u672a\u5b9a\u4e49\uff1aRegisterChatServiceServer"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> Go gRPC\uff0c\u672a\u5b9a\u4e49\uff1aRegisterChatServiceServer<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 16:57:39<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300aGo gRPC\uff0c\u672a\u5b9a\u4e49\uff1aRegisterChatServiceServer\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9Golang\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u5c1d\u8bd5\u9996\u5148\u4f7f\u7528 go \u8fdb\u884c grpc \u6784\u5efa\uff0c\u6240\u4ee5\u6211\u5c1d\u8bd5\u4e86\u4ee5\u4e0b\u64cd\u4f5c\uff1a<\/p>\n

1.1\u3002\u5b89\u88c5\u6240\u9700\u7684 go \u5e93<\/p>\n

ps d:\\grpc> go install google.golang.org\/protobuf\/cmd\/protoc-gen-go@latest\nps d:\\grpc> go install google.golang.org\/grpc\/cmd\/protoc-gen-go-grpc@latest\n<\/pre>\n
1.2\u3002\u5c06 gopath\/bin \u6dfb\u52a0\u5230 path\uff0c\u4ee5\u4fbf\u4ece\u547d\u4ee4\u884c\u8bc6\u522b protoc-gen-go<\/code> \u548c protoc-gen-grpc<\/code> \u547d\u4ee4<\/p>\n
2.1\u3002\u4ece\u4ee5\u4e0b\u4f4d\u7f6e\u4e0b\u8f7d\u4e86 protoc \u4e8c\u8fdb\u5236\u6587\u4ef6 <\/code> for windows\uff1a  https:\/\/github.com\/protocolbuffers\/protobuf\/releases\/<\/code><\/p>\n
2.2\u3002\u89e3\u538b protoc zip \u6587\u4ef6\uff0c\u5e76\u5c06 bin<\/code> \u6587\u4ef6\u5939\u6dfb\u52a0\u5230\u8def\u5f84<\/p>\n
3.1\u3002\u6211\u7684\u539f\u578b\u6587\u4ef6\u5199\u4e3a\uff1a<\/p>\n
\/\/ file: grpc\/chat\/chat.proto\nsyntax = \"proto3\";\npackage chat;\noption go_package = \"github.com\/hajsf\/grpc\/chat\";\n\nmessage messagerequest {\n  string body = 1;\n}\n\nmessage messageresponse {\n    string body = 1;\n  }\n\nservice chatservice {\n  rpc sayhello(messagerequest) returns (messageresponse) {}\n}<\/pre>\n
3.3\u3002\u7f16\u8bd1\u6211\u7684\u539f\u578b\u6587\u4ef6\u4ee5\u4ece grpc \u6587\u4ef6\u5939\u4e2d\u83b7\u53d6 chat.pb.go<\/code> \uff1a<\/p>\n
ps d:\\grpc> protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative chat.proto\n<\/pre>\n
\u56e0\u6b64\u751f\u6210\u4e86 2 \u4e2a\u6587\u4ef6\uff1achat.pb.go<\/code> \u548c chat_grpc.pb.go<\/code><\/p>\n
3.4\u3002\u5c06 chat.go<\/code> \u6587\u4ef6\u6dfb\u52a0\u4e3a\uff1a<\/p>\n
\/\/ file: grpc\/chat\/chat.go\npackage main\n\nimport (\n    \"log\"\n\n    chat \"github.com\/hajsf\/grpc\/chat\"\n    \"golang.org\/x\/net\/context\"\n)\n\ntype server struct {\n}\n\nfunc (s *server) sayhello(ctx context.context, in *chat.messagerequest) (*chat.messageresponse, error) {\n    log.printf(\"receive message body from client: %s\", in.body)\n    return &chat.messageresponse{body: \"hello from the server!\"}, nil\n}\n<\/pre>\n
    \n
  1. \u5c06\u6211\u7684\u670d\u52a1\u5668\u6587\u4ef6\u6784\u5efa\u4e3a\uff1a<\/li>\n<\/ol>\n
    \/\/ file: grpc\/server\/main.go\npackage main\n\nimport (\n    \"fmt\"\n    \"log\"\n    \"net\"\n\n    \"github.com\/hajsf\/grpc\/chat\"\n    \"google.golang.org\/grpc\"\n)\n\nfunc main() {\n\n    fmt.println(\"go grpc beginners tutorial!\")\n\n    lis, err := net.listen(\"tcp\", fmt.sprintf(\":%d\", 9000))\n    if err != nil {\n        log.fatalf(\"failed to listen: %v\", err)\n    }\n\n    s := chat.server{}\n\n    grpcserver := grpc.newserver()\n\n    chat.registerchatserviceserver(grpcserver, &s)\n\n    if err := grpcserver.serve(lis); err != nil {\n        log.fatalf(\"failed to serve: %s\", err)\n    }\n}\n<\/pre>\n
      \n
    1. \u5c06\u6211\u7684\u5ba2\u6237\u7aef\u6587\u4ef6\u6784\u5efa\u4e3a\uff1a<\/li>\n<\/ol>\n
      \/\/ file: grpc\/client\/main.go\npackage main\n\nimport (\n    \"log\"\n\n    \"golang.org\/x\/net\/context\"\n    \"google.golang.org\/grpc\"\n\n    \"github.com\/hajsf\/grpc\/chat\"\n)\n\nfunc main() {\n\n    var conn *grpc.clientconn\n    conn, err := grpc.dial(\":9000\", grpc.withinsecure())\n    if err != nil {\n        log.fatalf(\"did not connect: %s\", err)\n    }\n    defer conn.close()\n\n    c := chat.newchatserviceclient(conn) \/\/ why not found?\n\n    response, err := c.sayhello(context.background(), &chat.messagerequest{body: \"hello from client!\"})\n    if err != nil {\n        log.fatalf(\"error when calling sayhello: %s\", err)\n    }\n    log.printf(\"response from server: %s\", response.body)\n\n}\n<\/pre>\n
        \n
      1. \u5728\u4e0a\u8ff0 3 \u4e2a\u6587\u4ef6\u5939\u4e2d\uff0cchat<\/code>\u3001server<\/code> \u548c client<\/code> go \u6a21\u5757\u5df2\u521b\u5efa\u4e3a\uff1a<\/li>\n<\/ol>\n
        ps d:\\grpc> go mod init github.com\/hajsf\/grpc\/<filenale>\nps d:\\grpc> go mod tidy\n<\/pre>\n
          \n
        1. \u5c1d\u8bd5\u8fd0\u884c server<\/code>\uff0c\u4f46\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/li>\n<\/ol>\n
          ps d:\\grpc\\server> go run github.com\/hajsf\/grpc\/server\n# github.com\/hajsf\/grpc\/server\n.\\main.go:21:12: undefined: chat.server\n.\\main.go:25:7: undefined: chat.registerchatserviceserver\n<\/pre>\n
            \n
          1. \u5c1d\u8bd5\u8fd0\u884c client<\/code>\uff0c\u4f46\u51fa\u73b0\u4ee5\u4e0b\u9519\u8bef\uff1a<\/li>\n<\/ol>\n
            PS D:\\grpc\\client> go run github.com\/hajsf\/grpc\/client\n# github.com\/hajsf\/grpc\/client\n.\\main.go:21:12: undefined: chat.NewChatServiceClient\n<\/pre>\n
            \u4ee3\u7801\u4f5c\u4e3a github \u5b58\u50a8\u5e93\u52a0\u8f7d\uff1ahajsf\/grpc (github.com)<\/p>\n
             <\/p>\n
            \u6b63\u786e\u7b54\u6848<\/h2>\n
             <\/p>\n
            \u4e3a\u60a8\u751f\u6210\u4e86\u670d\u52a1\u5668\u7aef\u5417\uff1f \u4e5f\u8bb8\u4f60\u628a\u5b83\u653e\u9519\u4e86\u5730\u65b9\u3002<\/p>\n
            \u5bf9\u4e8e\u6700\u65b0\u7684\u534f\u8bae\u7248\u672c 22.1\uff0c\u547d\u4ee4\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
            protoc \\\n    --go_out=.\/chat \\ #sub package path and name\n    --go_opt=paths=source_relative \\\n    --go-grpc_out=.\/chat \\ #sub package path and name\n    --go-grpc_opt=paths=source_relative \\\n    -I=$PWD $PWD\/chat.proto #it says path is mandatory now\n<\/pre>\n
            \u5b83\u5728\u6211\u9700\u8981\u7684\u5305\u4e2d\u4e3a\u6211\u751f\u6210\u4e86\u4e24\u4e2a\u6587\u4ef6\u3002\u8fd9\u4e24\u4e2a\u6587\u4ef6\u90fd\u662f\u9700\u8981\u7684\u3002<\/p>\n
            \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300aGo gRPC\uff0c\u672a\u5b9a\u4e49\uff1aRegisterChatServiceServer\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
            \u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207178","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207178","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207178"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207178\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207178"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207178"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207178"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}