<?xml version="1.0"?>
<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>cn.netkiller</groupId>
<artifactId>parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
</parent>
<groupId>cn.netkiller</groupId>
<artifactId>consul-consumer</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>consul-consumer</name>
<url>http://www.netkiller.cn</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>11</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-consul-discovery</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<!-- <configuration> <mainClass>cn.netkiller.config.Application</mainClass> </configuration> -->
</plugin>
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
</plugin>
</plugins>
</build>
</project>
84.4.2. application.properties
server.port=8082
spring.application.name=spring-cloud-consul-consumer
spring.cloud.consul.host=192.168.4.217
spring.cloud.consul.port=8500
#设置不需要注册到 consul 中
spring.cloud.consul.discovery.register=false
84.4.3. SpringApplication
package cn.netkiller.consul.consumer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
System.out.println("Consol Consumer!");
SpringApplication.run(Application.class, args);
}
}
package cn.netkiller.consul.consumer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
@RestController
public class TestController {
public ConsumerController() {
// TODO Auto-generated constructor stub
}
@Autowired
private LoadBalancerClient loadBalancerClient;
@Autowired
private DiscoveryClient discoveryClient;
/**
* 获取所有服务
*/
@RequestMapping("/services")
public Object services() {
return discoveryClient.getInstances("spring-cloud-consul-producer");
}
/**
* 从所有服务中选择一个服务(轮询)
*/
@RequestMapping("/discover")
public Object discover() {
return loadBalancerClient.choose("spring-cloud-consul-producer").getUri().toString();
}
@RequestMapping("/call")
public String call() {
ServiceInstance serviceInstance = loadBalancerClient.choose("spring-cloud-consul-producer");
System.out.println("服务地址:" + serviceInstance.getUri());
System.out.println("服务名称:" + serviceInstance.getServiceId());
String callServiceResult = new RestTemplate().getForObject(serviceInstance.getUri().toString() + "/hello", String.class);
System.out.println(callServiceResult);
return callServiceResult;
}
}