{"id":17008,"date":"2025-03-31T15:39:19","date_gmt":"2025-03-31T07:39:19","guid":{"rendered":"https:\/\/92it.top\/?p=17008"},"modified":"2025-04-01T10:40:29","modified_gmt":"2025-04-01T02:40:29","slug":"%e8%81%8a%e8%81%8a%e5%af%b9-grpc%e7%9a%84%e7%90%86%e8%a7%a3%ef%bc%813-2-%e6%9c%8d%e5%8a%a1%e7%ab%af%e4%b8%8e%e5%ae%a2%e6%88%b7%e7%ab%af%e8%81%8a%e8%81%8a%e5%af%b9-grpc%e7%9a%84%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=17008","title":{"rendered":"\u804a\u804a\u5bf9 gRPC\u7684\u7406\u89e3\uff01"},"content":{"rendered":"\n

\u8f6c\u8f7d\uff1a\u6ef4\u6ef42\u9762\uff1a \u804a\u804a\u5bf9 gRPC\u7684\u7406\u89e3\uff01<\/a><\/p>\n\n\n\n

\u5728\u00a0\u6dd8\u5b9d1\u9762\uff1a HTTP \u4e0e RPC\u7684\u533a\u522b\uff01<\/a>\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5bf9\u6bd4\u4e86 HTTP \u548c RPC\uff0c\u8fd9\u7bc7\u6587\u7ae0\u6211\u4eec\u6765\u5206\u6790\u4e00\u9053\u6ef4\u6ef4\u7684\u9762\u8bd5\u9898\uff1a\u804a\u804a\u5bf9 gRPC\u7684\u7406\u89e3\uff01\u6587\u7ae0\u4f1a\u89e3\u7b54\uff1agRPC\u662f\u4ec0\u4e48\uff1f\u5b83\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f\u6211\u4eec\u8981\u5982\u4f55\u7f16\u5199 gRPC\u7684\u4ee3\u7801\uff1f<\/p>\n\n\n\n

1. \u4ec0\u4e48\u662f gRPC\uff1f<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u7b80\u5355\u6765\u8bf4\uff0cgRPC\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u5f00\u6e90\u548c\u901a\u7528\u7684\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff08RPC\uff09\u6846\u67b6\uff0c\u7531Google\u5f00\u53d1\u3002\u5b83\u57fa\u4e8eHTTP\/2\u534f\u8bae\uff0c\u4f7f\u7528Protocol Buffers\uff08protobuf\uff09\u4f5c\u4e3a\u63a5\u53e3\u63cf\u8ff0\u8bed\u8a00\uff0c\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u3002gRPC\u8ba9\u4e0d\u540c\u670d\u52a1\u4e4b\u95f4\u7684\u901a\u4fe1\u53d8\u5f97\u7b80\u5355\u3001\u9ad8\u6548\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\u3002<\/p>\n\n\n\n

2. \u4e3a\u4ec0\u4e48\u9009\u62e9 gRPC\uff1f<\/strong><\/p>\n\n\n\n

\n\n\n\n

\u5728\u5fae\u670d\u52a1\u67b6\u6784\u4e2d\uff0c\u670d\u52a1\u4e4b\u95f4\u9891\u7e41\u901a\u4fe1\u662f\u4e0d\u53ef\u907f\u514d\u7684\u3002\u4f20\u7edf\u7684REST API\u4f7f\u7528JSON\u8fdb\u884c\u6570\u636e\u4f20\u8f93\uff0c\u867d\u7136\u6613\u4e8e\u7406\u89e3\uff0c\u4f46\u5728\u6027\u80fd\u548c\u6548\u7387\u4e0a\u5b58\u5728\u4e00\u4e9b\u74f6\u9888\u3002gRPC\u5219\u901a\u8fc7\u4ee5\u4e0b\u4f18\u52bf\u8131\u9896\u800c\u51fa\uff1a<\/p>\n\n\n\n

    \n
  1. \u9ad8\u6548\u7684\u4e8c\u8fdb\u5236\u4f20\u8f93<\/strong>\uff1a\u4f7f\u7528protobuf\u5e8f\u5217\u5316\uff0c\u6bd4JSON\u66f4\u8f7b\u91cf\uff0c\u4f20\u8f93\u66f4\u5feb\u3002<\/li>\n\n\n\n
  2. \u591a\u8bed\u8a00\u652f\u6301<\/strong>\uff1a\u652f\u6301\u5305\u62ecJava\u3001C++, Python\u7b49\u591a\u79cd\u8bed\u8a00\uff0c\u4fbf\u4e8e\u8de8\u8bed\u8a00\u5f00\u53d1\u3002<\/li>\n\n\n\n
  3. \u5185\u5efa\u7684\u8d1f\u8f7d\u5747\u8861\u3001\u8ba4\u8bc1\u548c\u6d41\u63a7<\/strong>\uff1a\u51cf\u5c11\u4e86\u5f00\u53d1\u8005\u7684\u914d\u7f6e\u8d1f\u62c5\u3002<\/li>\n\n\n\n
  4. \u57fa\u4e8eHTTP\/2<\/strong>\uff1a\u652f\u6301\u591a\u8def\u590d\u7528\u3001\u6d41\u63a7\u3001\u538b\u7f29\u7b49\u7279\u6027\uff0c\u63d0\u5347\u901a\u4fe1\u6548\u7387\u3002<\/li>\n<\/ol>\n\n\n\n

    3. gRPC \u7684\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n\n\n\n

    \n\n\n\n

    \u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e00\u4e0bgRPC\u7684\u5de5\u4f5c\u673a\u5236\u3002<\/p>\n\n\n\n

    3.1 Protocol Buffers\uff08protobuf\uff09<\/strong><\/p>\n\n\n\n

    gRPC\u4f9d\u8d56protobuf\u6765\u5b9a\u4e49\u670d\u52a1\u63a5\u53e3\u548c\u6d88\u606f\u7ed3\u6784\u3002protobuf\u662f\u4e00\u79cd\u9ad8\u6548\u7684\u4e8c\u8fdb\u5236\u5e8f\u5217\u5316\u5de5\u5177\uff0c\u5b83\u901a\u8fc7.proto<\/code>\u6587\u4ef6\u63cf\u8ff0\u670d\u52a1\u548c\u6570\u636e\u7ed3\u6784\uff0c\u7136\u540e\u751f\u6210\u5bf9\u5e94\u8bed\u8a00\u7684\u4ee3\u7801\u3002<\/p>\n\n\n\n

    \u793a\u4f8b\uff1a\u5b9a\u4e49\u4e00\u4e2a\u7b80\u5355\u7684gRPC\u670d\u52a1<\/strong><\/p>\n\n\n\n

    \/\/ helloworld.proto\nsyntax = \"proto3\";\n\noption java_package = \"com.yuanjava.grpc\";\noption java_outer_classname = \"HelloWorldProto\";\n\nservice Greeter {\n\/\/ \u5b9a\u4e49\u4e00\u4e2aSayHello\u7684RPC\u65b9\u6cd5\nrpc SayHello (HelloRequest) returns (HelloReply) {}\n}\n\nmessage HelloRequest {\n  string name = 1;\n}\n\nmessage HelloReply {\nstring message = 1;\n}\n<\/pre>\n\n\n\n
    3.2 \u670d\u52a1\u7aef\u4e0e\u5ba2\u6237\u7aef<\/strong><\/p>\n\n\n\n
    \u5728gRPC\u4e2d\uff0c\u670d\u52a1\u7aef\u5b9e\u73b0\u63a5\u53e3\u5b9a\u4e49\u7684\u65b9\u6cd5\uff0c\u5ba2\u6237\u7aef\u901a\u8fc7\u751f\u6210\u7684\u4ee3\u7801\u8c03\u7528\u8fd9\u4e9b\u65b9\u6cd5\u3002\u901a\u4fe1\u8fc7\u7a0b\u900f\u660e\u5316\uff0c\u5f00\u53d1\u8005\u4e0d\u9700\u8981\u5173\u5fc3\u5e95\u5c42\u7684HTTP\/2\u7ec6\u8282\u3002<\/p>\n\n\n\n
    \u670d\u52a1\u7aef\u793a\u4f8b\uff08Java\uff09\uff1a<\/strong><\/p>\n\n\n\n
    public class GreeterImpl extends GreeterGrpc.GreeterImplBase {\n    @Override\n    public void sayHello(HelloRequest req, StreamObserver<HelloReply> responseObserver) {\n        String greeting = \"Hello, \" + req.getName();\n        HelloReply reply = HelloReply.newBuilder().setMessage(greeting).build();\n        responseObserver.onNext(reply);\n        responseObserver.onCompleted();\n    }\n}\n<\/pre>\n\n\n\n
    \u5ba2\u6237\u7aef\u793a\u4f8b\uff08Java\uff09\uff1a<\/strong><\/p>\n\n\n\n
    public class GreeterClient {\n    private final GreeterGrpc.GreeterBlockingStub blockingStub;\n\n    public GreeterClient(Channel channel) {\n        blockingStub = GreeterGrpc.newBlockingStub(channel);\n    }\n\n    public void greet(String name) {\n        HelloRequest request = HelloRequest.newBuilder().setName(name).build();\n        HelloReply reply = blockingStub.sayHello(request);\n        System.out.println(reply.getMessage());\n    }\n}\n<\/pre>\n\n\n\n
    3.3 HTTP\/2 \u7279\u6027<\/strong><\/p>\n\n\n\n
    gRPC\u57fa\u4e8eHTTP\/2\u534f\u8bae\uff0c\u8fd9\u5e26\u6765\u4e86\u8bb8\u591a\u4f18\u52bf\uff1a<\/p>\n\n\n\n
      \n
    • \u591a\u8def\u590d\u7528<\/strong>\uff1a\u5728\u4e00\u4e2aTCP\u8fde\u63a5\u4e0a\uff0c\u53ef\u4ee5\u53d1\u9001\u591a\u4e2a\u8bf7\u6c42\u548c\u54cd\u5e94\uff0c\u51cf\u5c11\u5ef6\u8fdf\u3002<\/li>\n\n\n\n
    • \u5934\u90e8\u538b\u7f29<\/strong>\uff1a\u51cf\u5c11\u5e26\u5bbd\u4f7f\u7528\uff0c\u52a0\u5feb\u4f20\u8f93\u901f\u5ea6\u3002<\/li>\n\n\n\n
    • \u6d41\u63a7\u5236<\/strong>\uff1a\u66f4\u597d\u5730\u7ba1\u7406\u6570\u636e\u6d41\uff0c\u907f\u514d\u62e5\u585e\u3002<\/li>\n<\/ul>\n\n\n\n
      4. gRPC \u7684\u5b9e\u9645\u5e94\u7528<\/strong><\/p>\n\n\n\n
      \n\n\n\n
      \u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\uff0c\u770b\u770b\u5982\u4f55\u5728Java\u4e2d\u4f7f\u7528gRPC\u3002<\/p>\n\n\n\n
      4.1 \u6b65\u9aa4\u4e00\uff1a\u5b9a\u4e49\u670d\u52a1<\/strong><\/p>\n\n\n\n
      \u4f7f\u7528\u4e0a\u9762\u7684helloworld.proto<\/code>\u6587\u4ef6\uff0c\u5b9a\u4e49\u6211\u4eec\u7684gRPC\u670d\u52a1\u3002<\/p>\n\n\n\n
      4.2 \u6b65\u9aa4\u4e8c\uff1a\u751f\u6210\u4ee3\u7801<\/strong><\/p>\n\n\n\n
      \u4f7f\u7528protoc<\/code>\u7f16\u8bd1\u5668\u751f\u6210Java\u4ee3\u7801\uff1a<\/p>\n\n\n\n
      protoc --java_out=. --grpc-java_out=. helloworld.proto\n<\/pre>\n\n\n\n
      4.3 \u6b65\u9aa4\u4e09\uff1a\u5b9e\u73b0\u670d\u52a1\u7aef<\/strong><\/p>\n\n\n\n
      \u5728\u670d\u52a1\u7aef\uff0c\u5b9e\u73b0GreeterImpl<\/code>\u7c7b\uff0c\u5e76\u5728main()<\/code>\u65b9\u6cd5\u4e2d\u542f\u52a8\u670d\u52a1\u3002<\/p>\n\n\n\n
      public class HelloWorldServer {\n    public static void main(String[] args) throws IOException, InterruptedException {\n        Server server = ServerBuilder.forPort(50051)\n            .addService(new GreeterImpl())\n            .build()\n            .start();\n\n        System.out.println(\"Server started, listening on 50051\");\n        server.awaitTermination();\n    }\n}\n<\/pre>\n\n\n\n
      4.4 \u6b65\u9aa4\u56db\uff1a\u5b9e\u73b0\u5ba2\u6237\u7aef<\/strong><\/p>\n\n\n\n
      \u5728\u5ba2\u6237\u7aef\uff0c\u5b9e\u73b0GreeterClient<\/code>\u7c7b\uff0c\u5e76\u5728main()<\/code>\u65b9\u6cd5\u4e2d\u542f\u52a8\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n
      public class HelloWorldClient {\n    public static void main(String[] args) throws Exception {\n        ManagedChannel channel = ManagedChannelBuilder.forAddress(\"localhost\", 50051)\n            .usePlaintext()\n            .build();\n\n        GreeterClient client = new GreeterClient(channel);\n        client.greet(\"World\");\n\n        channel.shutdownNow().awaitTermination(5, TimeUnit.SECONDS);\n    }\n}\n<\/pre>\n\n\n\n
      4.5 \u6b65\u9aa4\u4e94\uff1a\u8fd0\u884c\u793a\u4f8b<\/strong><\/p>\n\n\n\n
      \u542f\u52a8\u670d\u52a1\u7aef\uff1a<\/p>\n\n\n\n
      java HelloWorldServer\n<\/pre>\n\n\n\n
      \u542f\u52a8\u5ba2\u6237\u7aef\uff1a<\/p>\n\n\n\n
      java HelloWorldClient\n<\/pre>\n\n\n\n
      \u6211\u4eec\u53ef\u4ee5\u5728\u5ba2\u6237\u7aef\u770b\u5230\u8f93\u51fa\uff1a<\/p>\n\n\n\n
      Hello, World\n<\/pre>\n\n\n\n
      5. \u603b\u7ed3<\/strong><\/p>\n\n\n\n
      \n\n\n\n
      \u8fd9\u7bc7\u6587\u7ae0\uff0c\u6211\u4eec\u8be6\u7ec6\u5730\u4ecb\u7ecd\u4e86gRPC\u5e76\u4e14\u901a\u8fc7\u4e00\u4e2a\u5b8c\u6574\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u4e86\u6f14\u793a\uff0cgRPC\u4f5c\u4e3a\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u529f\u80fd\u4e30\u5bcc\u7684RPC\u6846\u67b6\uff0c\u5728\u73b0\u4ee3\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u626e\u6f14\u7740\u91cd\u8981\u89d2\u8272\u3002\u4f5c\u4e3a\u540e\u7aef\u4eba\u5458\uff0c\u5efa\u8bae\u53bb\u638c\u63e1\u5176\u539f\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u8f6c\u8f7d\uff1a\u6ef4\u6ef42\u9762\uff1a \u804a\u804a\u5bf9 gRPC\u7684\u7406\u89e3\uff01 \u5728\u00a0\u6dd8\u5b9d1\u9762\uff1a HTTP \u4e0e RPC\u7684\u533a\u522b\uff01\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5bf9\u6bd4\u4e86 H […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17008"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17008"}],"version-history":[{"count":2,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17008\/revisions"}],"predecessor-version":[{"id":17015,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/17008\/revisions\/17015"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17008"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17008"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17008"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}