【Java】SpringCloud获取注册中心上服务列表

• Z时代
• 2024-01-10
• 分类：技术分享

package com.baba.wlb.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
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.RestController;
import java.util.List;
/**
* @Author wulongbo
* @Date 2021/1/9 15:20
* @Version 1.0
*/@RestController
public class MemberApiController {
@Value("${server.port}")
private String serverPort;
@Autowired
private DiscoveryClient discoveryClient;
@RequestMapping("/getMember")
public String getMember() {
return "我是会员服务!端口号：" + serverPort;
}
@RequestMapping("/discoveryServer")
public String discoveryServer() {
List<ServiceInstance> serviceInstances = discoveryClient.getInstances("consul-member");
return serviceInstances.get(0).getHost() + serviceInstances.get(0).getPort();
}
}

@DiscoveryClient注解

使用 @DiscoveryClient 获取服务列表

基于 SpringCloud整合Consul 我们修改一下 MemberApiController.java:

package com.baba.wlb.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
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.RestController;
import java.util.List;
/**
* @Author wulongbo
* @Date 2021/1/9 15:20
* @Version 1.0
*/@RestController
public class MemberApiController {
@Value("${server.port}")
private String serverPort;
@Autowired
private DiscoveryClient discoveryClient;
@RequestMapping("/getMember")
public String getMember() {
return "我是会员服务!端口号：" + serverPort;
}
@RequestMapping("/discoveryServer")
public String discoveryServer() {
List<ServiceInstance> serviceInstances = discoveryClient.getInstances("consul-member");
return serviceInstances.get(0).getHost() + serviceInstances.get(0).getPort();
}
}

启动项目

启动 AppMember.java

浏览器访问 http://localhost:8501/discoveryServer

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