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需要在@DubboReference注解指定loadbalance属性。示例如下：

package cn.edu.tju.service;

import org.apache.dubbo.config.annotation.DubboReference;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.annotation.PostConstruct;
import java.util.Date;

@Service
public class RemoteService {

    //@DubboReference(loadbalance = "roundrobin")
    @DubboReference(loadbalance = "consistenthash")
    private DemoService demoService;


    public String  callRemoteService(){
        try {
            Thread. sleep(10);
            return new Date() + " Receive result ======> " + demoService.sayHello("world");
        } catch (InterruptedException e) {
            e.printStackTrace();
            return e.getMessage();
        }
    }
}

其中可以使用的值如下：

默认的配置是random