springcloud-consumor-dept-80消费端整合eureka注册中心

消费端pom.xml

<!--消费者 实体类+web-->
    <dependencies>
        <dependency>
            <groupId>org.example</groupId>
            <artifactId>springcloudapi</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
        </dependency>
        <!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-ribbon -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-ribbon</artifactId>
            <version>2.2.6.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-eureka</artifactId>
            <version>1.4.7.RELEASE</version>
        </dependency>
    </dependencies>

application.yml配置文件

server:
  port: 80
 #Eureka
eureka:
  client:
    register-with-eureka: false
    service-url:
      defaultZone: http://eureka7001.com:7001/eureka/,http://eureka7002.com:7002/eureka/,http://eureka7003.com:7003/eureka/

消费端config  ConfigBean

import org.springframework.boot.SpringApplication;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.client.RestTemplate;

@Configuration
public class ConfigBean {
    //Configuration   == spring applicationContext.xml
    @Bean
    @LoadBalanced   //配置负载均衡   ribbon 基由客户端访问
    public RestTemplate getRestTemplate(){
        return new RestTemplate();
    }
}

controller端 DeptComsumerController

import com.kuang.springcloud.api.pojo.Dept;
import org.omg.CORBA.PUBLIC_MEMBER;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
public class DeptComsumerController {
    //消费者不应该有service
    //RestTemplate ...   供我们调用  注册到spring
    //RestTemplate 提供多种便捷访问的远程http服务的方法，简单的rest模板
    //(url , 实体Map ,Class<T>responseType)
    @Autowired
    private RestTemplate restTemplate;
    //http://localhost:8001
    //通过ribbon 我们这里的地址，应该是一个变量，通过服务名去访问
    //private static final String REST_URL_PREFIX="http://localhost:8001";
    private  static  final  String REST_URL_PREFIX="http://SPRINGCLOUND-DEPT";
    @RequestMapping("/consumer/dept/add")
    public boolean add(Dept dept){
        return restTemplate.patchForObject(REST_URL_PREFIX+"/dept/add",dept,Boolean.class);
    }
    @RequestMapping("/consumer/dept/get/{id}")
    public Dept get(@PathVariable("id") Long id){
       return restTemplate.getForObject(REST_URL_PREFIX+"/dept/get/"+id,Dept.class);
    }
    @RequestMapping("/consumer/dept/list")
    public List<Dept> list(){
        return restTemplate.getForObject(REST_URL_PREFIX+"/dept/list",List.class);//请求的地址，响应的类型参数
    }
}

启动器DeptConsumer_80

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

@SpringBootApplication
@EnableEurekaClient
public class DeptConsumer_80 {
    public static void main(String[] args) {
        SpringApplication.run(DeptConsumer_80.class,args);
    }
}