springboot 整合dubbo

最新推荐文章于 2021-10-08 08:25:17 发布

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本文详细介绍了使用Dubbo实现微服务的全过程，包括接口定义、生产者与消费者的配置与实现，以及通过Spring Boot进行整合。同时，展示了如何利用Zookeeper进行服务注册与发现，最后通过测试验证了微服务的正确运行。

1.接口

package com.knife.api;

public interface dubboService {
	public String helloDubbo();
}

2.生产者

pom文件

<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.knife</groupId>
	<artifactId>DubboProviderTest</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>DubboProviderTest</name>
	<url>http://maven.apache.org</url>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.1.0.RELEASE</version>
		<relativePath /> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
		<!--引入dubbo环境 -->
		<dependency>
			<groupId>com.alibaba.boot</groupId>
			<artifactId>dubbo-spring-boot-starter</artifactId>
			<version>0.2.0</version>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>

配置文件

dubbo:
  application:
    name: dubbo-provider
  registry:
    address: localhost:2181
    protocol: zookeeper
    check: false
  protocol:
    name: dubbo
    port: 30003
  monitor:
    protocol: register
  consumer:
    check: false
    timeout: 3000

server:
  port: 8082

实现类

package com.knife.DubboProviderTest;


import com.alibaba.dubbo.config.annotation.Service;
import com.knife.api.dubboService;

@Service
public class dubboServiceImpl implements dubboService {

	@Override
	public String helloDubbo() {
		// TODO Auto-generated method stub
		
		System.err.println("be called ...");
		
		return "hello dubbo";
	}

}

启动类

package com.knife.DubboProviderTest;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;

@SpringBootApplication
@EnableDubbo
public class App {

    public static void main(String[] args) {
        SpringApplication.run(App.class, args);
    }
}

2.消费者

pom文件

<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.knife</groupId>
	<artifactId>DubboCustomerTest</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>DubboCustomerTest</name>
	<url>http://maven.apache.org</url>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.1.0.RELEASE</version>
		<relativePath /> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>

		<!--引入dubbo环境 -->
		<dependency>
			<groupId>com.alibaba.boot</groupId>
			<artifactId>dubbo-spring-boot-starter</artifactId>
			<version>0.2.0</version>
		</dependency>

	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
</project>

配置文件

dubbo:
  application:
    name:  dubbo-consumer
  registry:
    address: localhost:2181
    protocol: zookeeper
    check: false
  monitor:
    protocol: register
  consumer:
    check:  false
    timeout: 3000

server:
  port: 8081

启动类

package com.knife.DubboCustomerTest;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

import com.alibaba.dubbo.config.spring.context.annotation.EnableDubbo;

/**
 * Hello world!
 *
 */
@SpringBootApplication
@EnableDubbo
public class App {

    public static void main(String[] args) {
        SpringApplication.run(App.class, args);
    }
}

控制类

package com.knife.DubboCustomerTest;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import com.alibaba.dubbo.config.annotation.Reference;
import com.knife.api.dubboService;

@RestController
public class TestController {

	@Reference
	dubboService ds;

	@RequestMapping("/test")
	public String test() {
		return ds.helloDubbo();
	}

}

4.测试

依次启动zookeeper 生产者消费者