在一般项目架构中,前后端交互使用Json格式,后端服务间交互使用Protobuf格式。这样的原因是:
Java版:
<modules>
<module>grpc-commons</module>
<module>grpc-login</module>
<module>grpc-sms</module>
</modules>
</br>
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
</br>
<dependencies>
<!-- 用来兼容java17 -->
<dependency>
<groupId>jakarta.annotation</groupId>
<artifactId>jakarta.annotation-api</artifactId>
<version>1.3.5</version>
</dependency>
</dependencies>
<build>
<extensions>
<extension>
<groupId>kr.motd.maven</groupId>
<artifactId>os-maven-plugin</artifactId>
<version>1.7.1</version>
</extension>
</extensions>
<plugins>
<plugin>
<groupId>org.xolstice.maven.plugins</groupId>
<artifactId>protobuf-maven-plugin</artifactId>
<version>0.6.1</version>
<configuration>
<protocArtifact>com.google.protobuf:protoc:3.21.7:exe:${os.detected.classifier}</protocArtifact>
<pluginId>grpc-java</pluginId>
<pluginArtifact>io.grpc:protoc-gen-grpc-java:1.54.1:exe:${os.detected.classifier}</pluginArtifact>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>compile-custom</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</br>
@Service
public class SmsServiceImpl extends SmsServiceImplBase {
@Override
public void sendSms(SmsRequest request, StreamObserver<SmsResponse> responseObserver) {
// 请求的参数
System.out.println(request.getPhone());
System.out.println(request.getMsg());
// 返回的东西
SmsResponse response = SmsResponse.newBuilder()
.setRequestId(UUID.fastUUID().toString())
.setIsSuccess(true)
.setSentAt(Timestamps.fromMillis(System.currentTimeMillis()))
.build();
// 塞进去
responseObserver.onNext(response);
// 塞完,走吧
responseObserver.onCompleted();
}
}
启动类,gRPC的通信端口是90
public class GrpcSmsApp {
private Server server;
public static void main(String[] args) {
SpringApplication.run(GrpcSmsApp.class, args);
}
/\*\*
\* 启动grpc
\*/
@SneakyThrows
@PostConstruct
public void startGrpcServer() {
server = ServerBuilder.forPort(90).addService(new SmsServiceImpl()).build().start();
}
@PreDestroy
public void stopGrpcServer() {
if (server != null) {
server.shutdown();
}
}
}
</br>
@Configuration
public class SmsService {
@Bean
SmsServiceGrpc.SmsServiceBlockingStub blockingStub() {
ManagedChannel channel = ManagedChannelBuilder
.forAddress("localhost", 90)
.usePlaintext() // 明文传输,生产用NettyChannelBuilder下的sslContext()
.build();
return SmsServiceGrpc.newBlockingStub(channel);
}
}
</br>
@RestController
@RequiredArgsConstructor
@RequestMapping("login")
public class LoginApi {
private final SmsServiceBlockingStub blockingStub;
@PostMapping("sendLoginCode")
String sendLoginCode(String phone) {
SmsRequest request = SmsRequest.newBuilder()
.setPhone(phone)
.setMsg("你的验证码是:sb")
.build();
SmsResponse smsResponse = blockingStub.sendSms(request);
if (!smsResponse.getIsSuccess()) {
return "发送失败";
}
System.out.println("smsResponse = " + smsResponse);
return smsResponse.getRequestId();
}
}
</br>
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
分别执行,安装插件并生成proto的Go文件。
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
package main
import (
"context"
"fmt"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"grpc/protobuf"
"log"
)
/\*
go get -u google.golang.org/grpc
go get -u google.golang.org/grpc/credentials
\*/
const (
address = ":90"
)
func main() {
// 设置一个连接
conn, err := grpc.Dial(address, grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
log.Fatalf("连接失败: %v", err)
}
defer func(conn \*grpc.ClientConn) {
err := conn.Close()
if err != nil {
log.Fatalf("关闭连接失败: %v", err)
}
}(conn)
// 创建一个SmsService的客户端
client := protobuf.NewSmsServiceClient(conn)
response, err := client.SendSms(context.Background(), &protobuf.SmsRequest{
Phone: "110",
Msg: "哈哈哈",
})
fmt.Println(response, err)
}
为了显得文章不会特别臃肿,本文省略了模块层级的创建,相信聪明如你已经一看就会啦,如果有更好的建议,欢迎在评论区留言。
https://juejin.cn/post/7222096611635576891在上篇文章中,我们介绍了如何使用 Redis 存储 Protobuf 格式的数据。本文将介绍在 RPC 中也用上 Protobuf。
在一般项目架构中,前后端交互使用Json格式,后端服务间交互使用Protobuf格式。这样的原因是:
Java版:
<modules>
<module>grpc-commons</module>
<module>grpc-login</module>
<module>grpc-sms</module>
</modules>
</br>
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
</br>
<dependencies>
<!-- 用来兼容java17 -->
<dependency>
<groupId>jakarta.annotation</groupId>
<artifactId>jakarta.annotation-api</artifactId>
<version>1.3.5</version>
</dependency>
</dependencies>
<build>
<extensions>
<extension>
<groupId>kr.motd.maven</groupId>
<artifactId>os-maven-plugin</artifactId>
<version>1.7.1</version>
</extension>
</extensions>
<plugins>
<plugin>
<groupId>org.xolstice.maven.plugins</groupId>
<artifactId>protobuf-maven-plugin</artifactId>
<version>0.6.1</version>
<configuration>
<protocArtifact>com.google.protobuf:protoc:3.21.7:exe:${os.detected.classifier}</protocArtifact>
<pluginId>grpc-java</pluginId>
<pluginArtifact>io.grpc:protoc-gen-grpc-java:1.54.1:exe:${os.detected.classifier}</pluginArtifact>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>compile-custom</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</br>
@Service
public class SmsServiceImpl extends SmsServiceImplBase {
@Override
public void sendSms(SmsRequest request, StreamObserver<SmsResponse> responseObserver) {
// 请求的参数
System.out.println(request.getPhone());
System.out.println(request.getMsg());
// 返回的东西
SmsResponse response = SmsResponse.newBuilder()
.setRequestId(UUID.fastUUID().toString())
.setIsSuccess(true)
.setSentAt(Timestamps.fromMillis(System.currentTimeMillis()))
.build();
// 塞进去
responseObserver.onNext(response);
// 塞完,走吧
responseObserver.onCompleted();
}
}
启动类,gRPC的通信端口是90
public class GrpcSmsApp {
private Server server;
public static void main(String[] args) {
SpringApplication.run(GrpcSmsApp.class, args);
}
/\*\*
\* 启动grpc
\*/
@SneakyThrows
@PostConstruct
public void startGrpcServer() {
server = ServerBuilder.forPort(90).addService(new SmsServiceImpl()).build().start();
}
@PreDestroy
public void stopGrpcServer() {
if (server != null) {
server.shutdown();
}
}
}
</br>
@Configuration
public class SmsService {
@Bean
SmsServiceGrpc.SmsServiceBlockingStub blockingStub() {
ManagedChannel channel = ManagedChannelBuilder
.forAddress("localhost", 90)
.usePlaintext() // 明文传输,生产用NettyChannelBuilder下的sslContext()
.build();
return SmsServiceGrpc.newBlockingStub(channel);
}
}
</br>
@RestController
@RequiredArgsConstructor
@RequestMapping("login")
public class LoginApi {
private final SmsServiceBlockingStub blockingStub;
@PostMapping("sendLoginCode")
String sendLoginCode(String phone) {
SmsRequest request = SmsRequest.newBuilder()
.setPhone(phone)
.setMsg("你的验证码是:sb")
.build();
SmsResponse smsResponse = blockingStub.sendSms(request);
if (!smsResponse.getIsSuccess()) {
return "发送失败";
}
System.out.println("smsResponse = " + smsResponse);
return smsResponse.getRequestId();
}
}
</br>
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
分别执行,安装插件并生成proto的Go文件。
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
package main
import (
"context"
"fmt"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"grpc/protobuf"
"log"
)
/\*
go get -u google.golang.org/grpc
go get -u google.golang.org/grpc/credentials
\*/
const (
address = ":90"
)
func main() {
// 设置一个连接
conn, err := grpc.Dial(address, grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
log.Fatalf("连接失败: %v", err)
}
defer func(conn \*grpc.ClientConn) {
err := conn.Close()
if err != nil {
log.Fatalf("关闭连接失败: %v", err)
}
}(conn)
// 创建一个SmsService的客户端
client := protobuf.NewSmsServiceClient(conn)
response, err := client.SendSms(context.Background(), &protobuf.SmsRequest{
Phone: "110",
Msg: "哈哈哈",
})
fmt.Println(response, err)
}
为了显得文章不会特别臃肿,本文省略了模块层级的创建,相信聪明如你已经一看就会啦,如果有好的建议,欢迎在评论区留言。
Java版:
<modules>
<module>grpc-commons</module>
<module>grpc-login</module>
<module>grpc-sms</module>
</modules>
</br>
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
</br>
<dependencies>
<!-- 用来兼容java17 -->
<dependency>
<groupId>jakarta.annotation</groupId>
<artifactId>jakarta.annotation-api</artifactId>
<version>1.3.5</version>
</dependency>
</dependencies>
<build>
<extensions>
<extension>
<groupId>kr.motd.maven</groupId>
<artifactId>os-maven-plugin</artifactId>
<version>1.7.1</version>
</extension>
</extensions>
<plugins>
<plugin>
<groupId>org.xolstice.maven.plugins</groupId>
<artifactId>protobuf-maven-plugin</artifactId>
<version>0.6.1</version>
<configuration>
<protocArtifact>com.google.protobuf:protoc:3.21.7:exe:${os.detected.classifier}</protocArtifact>
<pluginId>grpc-java</pluginId>
<pluginArtifact>io.grpc:protoc-gen-grpc-java:1.54.1:exe:${os.detected.classifier}</pluginArtifact>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>compile-custom</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</br>
target目录下就有我们生成的实体类和grpc的service类
</br>
@Service
public class SmsServiceImpl extends SmsServiceImplBase {
@Override
public void sendSms(SmsRequest request, StreamObserver<SmsResponse> responseObserver) {
// 请求的参数
System.out.println(request.getPhone());
System.out.println(request.getMsg());
// 返回的东西
SmsResponse response = SmsResponse.newBuilder()
.setRequestId(UUID.fastUUID().toString())
.setIsSuccess(true)
.setSentAt(Timestamps.fromMillis(System.currentTimeMillis()))
.build();
// 塞进去
responseObserver.onNext(response);
// 塞完,走吧
responseObserver.onCompleted();
}
}
启动类,gRPC的通信端口是90
public class GrpcSmsApp {
private Server server;
public static void main(String[] args) {
SpringApplication.run(GrpcSmsApp.class, args);
}
/\*\*
\* 启动grpc
\*/
@SneakyThrows
@PostConstruct
public void startGrpcServer() {
server = ServerBuilder.forPort(90).addService(new SmsServiceImpl()).build().start();
}
@PreDestroy
public void stopGrpcServer() {
if (server != null) {
server.shutdown();
}
}
}
</br>
@Configuration
public class SmsService {
@Bean
SmsServiceGrpc.SmsServiceBlockingStub blockingStub() {
ManagedChannel channel = ManagedChannelBuilder
.forAddress("localhost", 90)
.usePlaintext() // 明文传输,生产用NettyChannelBuilder下的sslContext()
.build();
return SmsServiceGrpc.newBlockingStub(channel);
}
}
</br>
@RestController
@RequiredArgsConstructor
@RequestMapping("login")
public class LoginApi {
private final SmsServiceBlockingStub blockingStub;
@PostMapping("sendLoginCode")
String sendLoginCode(String phone) {
SmsRequest request = SmsRequest.newBuilder()
.setPhone(phone)
.setMsg("你的验证码是:sb")
.build();
SmsResponse smsResponse = blockingStub.sendSms(request);
if (!smsResponse.getIsSuccess()) {
return "发送失败";
}
System.out.println("smsResponse = " + smsResponse);
return smsResponse.getRequestId();
}
}
</br>
login模块(client端)
sms模块(server端)
</br>
go版
syntax = "proto3";
import "google/protobuf/timestamp.proto";
option java\_package = "com.haowen.common.protobuf";
option java\_outer\_classname = "SmsProto";
option go\_package = "../protobuf";
service SmsService {
rpc SendSms (SmsRequest) returns (SmsResponse) {}
}
message SmsRequest {
string phone = 1;
string msg = 2;
}
message SmsResponse {
string requestId = 1;
bool isSuccess = 2;
google.protobuf.Timestamp sentAt = 3;
}
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
分别执行,安装插件并生成proto的Go文件。
// go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
// go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
// protoc --go\_out=. --go-grpc\_out=. sms.proto
执行后会生成
</br>
package main
import (
"context"
"fmt"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"grpc/protobuf"
"log"
)
/\*
go get -u google.golang.org/grpc
go get -u google.golang.org/grpc/credentials
\*/
const (
address = ":90"
)
func main() {
// 设置一个连接
conn, err := grpc.Dial(address, grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
log.Fatalf("连接失败: %v", err)
}
defer func(conn \*grpc.ClientConn) {
err := conn.Close()
if err != nil {
log.Fatalf("关闭连接失败: %v", err)
}
}(conn)
// 创建一个SmsService的客户端
client := protobuf.NewSmsServiceClient(conn)
response, err := client.SendSms(context.Background(), &protobuf.SmsRequest{
Phone: "110",
Msg: "哈哈哈",
})
fmt.Println(response, err)
}
</br>
为了显得文章不会特别臃肿,本文省略了模块层级的创建,相信聪明如你已经一看就会啦,如果有更好的建议,欢迎在评论区留言。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。
原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。