建立Dubbo服务接口项目hello-dubbo-service-user-api

pom.xml

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

    <groupId>com.funtl</groupId>
    <artifactId>hello-dubbo-service-user-api</artifactId>
    <version>1.0-SNAPSHOT</version>


</project>

接口UserService

package com.funtl.hello.dubbo.service.user.api;

public interface UserService {
    String sayHi();
}

建立Dubbo服务接口项目hello-dubbo-service-user-provider

pom

<?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>2.1.7.RELEASE</version>
      <relativePath/> <!-- lookup parent from repository -->
   </parent>
   <groupId>com.funtl</groupId>
   <artifactId>hello-dubbo-service-user-provider</artifactId>
   <version>0.0.1-SNAPSHOT</version>
   <name>hello-dubbo-service-user-provider</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-actuator</artifactId>
      </dependency>
     
      <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-test</artifactId>
         <scope>test</scope>
      </dependency>
     
      <dependency>
         <groupId>com.alibaba.boot</groupId>
         <artifactId>dubbo-spring-boot-starter</artifactId>
         <version>0.2.0</version>
      </dependency>

      <dependency>
         <groupId>com.funtl</groupId>
         <artifactId>hello-dubbo-service-user-api</artifactId>
         <version>1.0-SNAPSHOT</version>
      </dependency>
   </dependencies>

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

</project>

接口实现

package com.funtl.hello.dubbo.service.user.provider.api.impl;

import com.alibaba.dubbo.config.annotation.Service;
import com.funtl.hello.dubbo.service.user.api.UserService;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.beans.factory.annotation.Value;

@Service(version="${user.service.version}")
public class UserServiceImpl implements UserService {

    @Value("${dubbo.protocol.port}")
    private String port;

    @Override
    public String sayHi() {
        return "Hello Dubbo, i am from port:" + port;
    }
}

启动类

package com.funtl.hello.dubbo.service.user.provider;

import com.alibaba.dubbo.container.Main;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class HelloDubboServiceUserProviderApplication {

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

}

配置文件

spring:
  application:
    name: hello-dubbo-service-user-provider

user:
  service:
    version: 1.0.0

dubbo:
  scan:
    basePackages: com.funtl.hello.dubbo.service.user.provider.api
  application:
    id: hello-dubbo-service-user-provider
    name: hello-dubbo-service-user-provider
    qos-port: 22222
    qos-enable: true
  protocol:
    id: dubbo
    name: dubbo
    port: 12345
    status: server
  registry:
    id: zookeeper
    address: zookeeper://192.168.25.132:2181?backup=192.168.25.132:2182,192.168.25.132:2183
  provider:
    loadbalance: roundrobin

management:
  endpoint:
    dubbo:
      enabled: true
    dubbo-shutdown:
      enabled: true
    dubbo-configs:
      enabled: true
    dubbo-services:
      enabled: true
    dubbo-references:
      enabled: true
    dubbo-properties:
      enabled: true
  health:
    dubbo:
      status:
        defaults: memory
        extras: load.threadpool