eureka-获取服务列表

服务列表是在eureka的客户端中获取的

（1）在配置文件application.yml设置erueka的信息

eureka:
  instance:
    prefer-ip-address: true # 注册服务的时候使用服务的ip地址
  client:
    service-url:
      defaultZone: http://localhost:8761/eureka/

（2）Controller

package com.googosoft.instances.controller;

import java.util.ArrayList;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class TestController {
    @Autowired
    private DiscoveryClient discoveryClient;

    @RequestMapping("getServicesList")
    @ResponseBody
    public Object getServicesList() {
        List<List<ServiceInstance>> servicesList = new ArrayList<>();
        //获取服务名称
        List<String> serviceNames = discoveryClient.getServices();
        for (String serviceName : serviceNames) {
            //获取服务中的实例列表
            List<ServiceInstance> serviceInstances = discoveryClient.getInstances(serviceName);
            servicesList.add(serviceInstances);
        }
        return servicesList;
    }
}

（2）访问