SpringBoot中dubbo+zookeeper实现分布式开发的应用详解

<!-- Dubbo Spring Boot Starter -->
    <dependency>
      <groupId>org.apache.dubbo</groupId>
      <artifactId>dubbo-spring-boot-starter</artifactId>
      <version>2.7.3</version>
    </dependency>
    <!--zookeeper的包-->
    <!-- https://mvnrepository.com/artifact/com.github.sgroschupf/zkclient -->
    <dependency>
      <groupId>com.github.sgroschupf</groupId>
      <artifactId>zkclient</artifactId>
      <version>0.1</version>
    </dependency>
    <!-- 引入zookeeper -->
    <!--【新版的坑】zookeeper及其依赖包，解决日志冲突，还需要剔除日志依赖-->
    <dependency>
      <groupId>org.apache.curator</groupId>
      <artifactId>curator-framework</artifactId>
      <version>2.12.0</version>
    </dependency>
    <dependency>
      <groupId>org.apache.curator</groupId>
      <artifactId>curator-recipes</artifactId>
      <version>2.12.0</version>
    </dependency>
    <dependency>
      <groupId>org.apache.zookeeper</groupId>
      <artifactId>zookeeper</artifactId>
      <version>3.4.14</version>
      <!--排除这个slf4j-log4j12-->
      <exclusions>
        <exclusion>
          <groupId>org.slf4j</groupId>
          <artifactId>slf4j-log4j12</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

server.port=8081
#当前应用名字
dubbo.application.name=provider-server
#注册中心地址
dubbo.registry.address=zookeeper://127.0.0.1:2181
#扫描指定包下服务
dubbo.scan.base-packages=com.demo.service

public interface Translate {

  String translate(String str);
}

public interface Translate {

  String translate(String str);
}

server.port=8082
# 配置zookeeper
# 配置服务名字
dubbo.application.name=consumer.server
# 配置注册中心地址
dubbo.registry.address=zookeeper://127.0.0.1:2181

package com.demo.service;

import org.apache.dubbo.config.annotation.Reference;
import org.springframework.stereotype.Service;

@Service //使用Spring的Service添加组件
public class Translation {

  @Reference //远程引用指定的服务，他会按照全类名进行匹配，看谁给注册中心注册了这个全类名
  private Translate translate;

  public String getTranslation(String str) {
    return translate.translate(str);
  }

}

@RestController
public class TranslateController {

  @Autowired
  Translation translation;

  @RequestMapping("/tran/{str}")
  public String tran(@PathVariable("str")String str) {
    return translation.getTranslation(str);
  }
}