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這篇文章主要介紹“SpringBoot如何使用protobuf格式的接口方式”，在日常操作中，相信很多人在SpringBoot如何使用protobuf格式的接口方式問題上存在疑惑，小編查閱了各式資料，整理出簡單好用的操作方法，希望對大家解答”SpringBoot如何使用protobuf格式的接口方式”的疑惑有所幫助！接下來，請跟著小編一起來學習吧！
<?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.2.2.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.example.protobuf</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> <exclusions> <exclusion> <groupId>org.junit.vintage</groupId> <artifactId>junit-vintage-engine</artifactId> </exclusion> </exclusions> </dependency> <dependency> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java</artifactId> <version>3.11.0</version> </dependency> <dependency> <groupId>com.google.protobuf</groupId> <artifactId>protobuf-java-util</artifactId> <version>3.11.0</version> </dependency> <dependency> <groupId>com.googlecode.protobuf-java-format</groupId> <artifactId>protobuf-java-format</artifactId> <version>1.2</version> </dependency> <!-- 網絡請求依賴 --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.2</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpcore</artifactId> <version>4.4</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.0</version> </dependency> <dependency> <groupId>commons-collections</groupId> <artifactId>commons-collections</artifactId> <version>3.0</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
user_login.proto：
syntax = "proto3";
option java_package = "com.boomsecret.protobuf";
option java_outer_classname = "MessageUserLogin";
message MessageUserLoginRequest {
string username = 1;
string password = 2;
}
message MessageUserLoginResponse {
string access_token = 1;
string username = 2;
}protoc.exe --java_out=./ user_login.proto
package com.example.protobuf.demo.controller;
import com.boomsecret.protobuf.MessageUserLogin;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import util.HttpUtils;
import java.net.URI;
import java.util.UUID;
@Controller
public class TestController {
@RequestMapping(value = "/demo/test", produces = "application/x-protobuf")
@ResponseBody
public MessageUserLogin.MessageUserLoginResponse getPersonProto(@RequestBody MessageUserLogin.MessageUserLoginRequest request) {
MessageUserLogin.MessageUserLoginResponse.Builder builder = MessageUserLogin.MessageUserLoginResponse.newBuilder();
builder.setAccessToken(UUID.randomUUID().toString()+"_res");
builder.setUsername(request.getUsername()+"_res");
return builder.build();
}
}package com.example.protobuf.demo;
import com.boomsecret.protobuf.MessageUserLogin;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
import util.HttpUtils;
import java.net.URI;
@SpringBootTest
class DemoApplicationTests {
@Test
void contextLoads() {
}
@Test
public void test() {
try {
URI uri = new URI("http", null, "127.0.0.1", 8080, "/demo/test", "", null);
HttpPost request = new HttpPost(uri);
MessageUserLogin.MessageUserLoginRequest.Builder builder = MessageUserLogin.MessageUserLoginRequest.newBuilder();
builder.setUsername("tom");
builder.setPassword("123456");
HttpResponse response = HttpUtils.doPost(request, builder.build());
MessageUserLogin.MessageUserLoginResponse messageUserLoginResponse = MessageUserLogin.MessageUserLoginResponse.parseFrom(response.getEntity().getContent());
System.err.println(messageUserLoginResponse.getAccessToken());
} catch (Exception e) {
}
}
}package util;
import com.google.protobuf.GeneratedMessageV3;
import com.googlecode.protobuf.format.JsonFormat;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.HttpClients;
import java.io.ByteArrayInputStream;
import java.io.IOException;
/**
* @author wangjinliang on 2018/10/18.
*/
public class HttpUtils {
public static HttpResponse doPost(HttpPost post, GeneratedMessageV3 message) throws IOException {
HttpClient httpclient = HttpClients.createDefault();
String requestUrl = post.getURI().toString();
ByteArrayInputStream inputStream = new ByteArrayInputStream(message.toByteArray());
InputStreamEntity inputStreamEntity = new InputStreamEntity(inputStream);
post.setEntity(inputStreamEntity);
post.addHeader("Content-Type", "application/x-protobuf");
for (Header header : post.getAllHeaders()) {
System.out.println(header.getName() + ":" + header.getValue());
}
StringBuilder sb = new StringBuilder();
sb.append("curl -XPOST ");
for (Header header : post.getAllHeaders()) {
sb.append(" -H \"").append(header.getName()).append(":").append(header.getValue()).append("\"");
}
String jsonBody = JsonFormat.printToString(message);
jsonBody = jsonBody.replace("\"", "\\\"");
sb.append(" -d \"").append(jsonBody).append("\"");
sb.append(" ").append(requestUrl);
System.out.println(sb.toString());
return httpclient.execute(post);
}
}以debug方式運行SpringBoot項目，并在controller加斷點，然后運行測試代碼：
可以看到請求過來的數據是正確的，放行后可以看到響應數據也是正確的：
到此，關于“SpringBoot如何使用protobuf格式的接口方式”的學習就結束了，希望能夠解決大家的疑惑。理論與實踐的搭配能更好的幫助大家學習，快去試試吧！若想繼續學習更多相關知識，請繼續關注億速云網站，小編會繼續努力為大家帶來更多實用的文章！
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