修改microservicecloud-consumer-dept-80工程:
添加依赖:
<!-- Ribbon相关 -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-ribbon</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
修改application.yml 追加eureka的服务注册地址:
server:
port: 80
eureka:
client:
register-with-eureka: false
service-url:
defaultZone: http://eureka7001.com:7001/eureka/, http://eureka7002.com:7002/eureka/, http://eureka7003.com:7003/eureka/
对ConfigBean进行新注解@LoadBalanced 获得Rest时加入Ribbon的配置:
@Configuration
public class ConfigBean {
/*
RestTemplate提供了多种便捷访问远程HTTP服务的方法
是一种简单便捷的访问restful服务模板类,是Spring提供的用于访问Rest服务的客户端模板工具集
url:REST请求地址
requestMap:请求参数
ResponseBean.class:HTTP响应转换被转换成的对象类型
*/
@Bean
@LoadBalanced //开启客户端的负载均衡
public RestTemplate getRestTemplate(){
return new RestTemplate();
}
}
主启动类DeptConsumer80_App添加@EnableEurekaClient:
@SpringBootApplication
@EnableEurekaClient
public class DeptCondumer80_App {
public static void main(String[] args) {
SpringApplication.run(DeptCondumer80_App.class, args);
}
}
修改DeptController_Consumer客户端访问类:
@RestController
public class DeptController_Consumer {
//private static final String REST_RUL_PREFIX = "http://localhost:8001";
private static final String REST_RUL_PREFIX = "http://MICROSERVICECLOUD-DEPT";
@Autowired
RestTemplate restTemplate;
@RequestMapping(value = "/consumer/dept/add")
public boolean add(Dept dept){
return restTemplate.postForObject(REST_RUL_PREFIX + "/dept/add", dept, Boolean.class);
}
@RequestMapping(value = "/consumer/dept/get/{id}")
public Dept get(@PathVariable("id") Long id){
return restTemplate.getForObject(REST_RUL_PREFIX + "/dept/get/" + id, Dept.class);
}
@RequestMapping(value = "consumer/dept/list")
public List<Dept> list(){
return restTemplate.getForObject(REST_RUL_PREFIX + "/dept/list", List.class);
}
}
先启动3个eureka集群后,再启动microservicecloud-provider-dept-8001并注册进eureka:
启动microservicecloud-consumer-dept-80:
测试:
http://localhost/consumer/dept/get/1
http://localhost/consumer/dept/list
http://localhost/consumer/dept/add?dname=大数据部
Ribbon和Eureka整合后Consumer可以直接调用服务而不用再关心地址和端口号