Ribbon 代码使用

https://www.bilibili.com/video/BV1AN411Z7mx/?p=5

ClientService.java

package io.github.jihch.service;

public interface ClientService {

    String client();

}

ClientServiceImpl.java

package io.github.jihch.service.impl;

import io.github.jihch.service.ClientService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.stereotype.Service;

@Service
public class ClientServiceImpl implements ClientService {

    // Ribbon 的负载均衡工具。使用这个对象的时候可以使用 Ribbon 的功能
    @Autowired
    private LoadBalancerClient loadBalancerClient;

    @Override
    public String client() {
        //通过 Ribbon 负载均衡算法之后得到的 URL 实例
        ServiceInstance si = loadBalancerClient.choose("myproject");
        System.out.printf("getUri:%s\n", si.getUri());
        System.out.printf("getHost:%s\n", si.getHost());
        System.out.printf("getInstanceId:%s\n", si.getInstanceId());
        System.out.printf("getMetadata:%s\n", si.getMetadata());
        System.out.printf("getPort:%s\n", si.getPort());
        System.out.printf("getScheme:%s\n", si.getScheme());
        System.out.printf("getServiceId:%s\n", si.getServiceId());

        return null;
    }
}

Eureka Server

https://github.com/jihch/eureka-server-20230323

Application Service

https://github.com/jihch/application-service-demo