Spring Cloud Consul

参考：​​【微服务】- Consul整合SpringCloud及使用​

spring-cloud-consul-provider

<!--   引入consul客户端     -->
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-consul-discovery</artifactId>
    </dependency>

    <!--监控中心-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

application.yml

server:
  port: 8085

spring:
  application:
    name: spring-cloud-consul-provider
  cloud:
    consul:
      host: localhost
      port: 8500
      discovery:
        service-name: ${spring.application.name}

SpringCloudConsulProviderApplication.java

package com.mingshine.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication
@EnableDiscoveryClient
public class SpringCloudConsulProviderApplication {

  public static void main(String[] args) {
    SpringApplication.run(SpringCloudConsulProviderApplication.class, args);
  }

}

PaymentController.java

package com.mingshine.cloud.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.UUID;

@RestController
public class PaymentController {
    @Value("${server.port}")
    private String serverPort;

    @RequestMapping(value = "/payment/consul")
    public String paymentzk() {
        return "springcloud with consul: " + serverPort + "\t" + UUID.randomUUID().toString();
    }
}

---

spring-cloud-consul-consumer

<!--   引入consul客户端     -->
    <dependency>
      <groupId>org.springframework.cloud</groupId>
      <artifactId>spring-cloud-starter-consul-discovery</artifactId>
    </dependency>
    <!--监控中心-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-actuator</artifactId>
    </dependency>

application.yml

server:
  port: 80

# 服务别名---zookeeper注册中心名称
spring:
  application:
    name: spring-cloud-consul-consumer
  cloud:
    consul:
      host: localhost
      port: 8500
      discovery:
        service-name: ${spring.application.name}

ApplicationContextConfig.java

package com.mingshine.cloud;

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 ApplicationContextConfig {

    @Bean
    @LoadBalanced
    public RestTemplate getTemplate(){
        return new RestTemplate();
    }
}

OrderController.java

package com.mingshine.cloud;

import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import javax.annotation.Resource;

@RestController
public class OrderController {


    private static final String INVOKE_URL = "http://spring-cloud-consul-provider";

    @Resource
    private RestTemplate restTemplate;

    @GetMapping(value = "/consumer/payment/consul")
    public String paymentInfo(){
        String result = restTemplate.getForObject(INVOKE_URL + "/payment/consul", String.class);
        return result;
    }

}

SpringCloudConsulConsumerApplication.java

package com.mingshine.cloud;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;

@SpringBootApplication
@EnableDiscoveryClient
public class SpringCloudConsulConsumerApplication {

  public static void main(String[] args) {
    SpringApplication.run(SpringCloudConsulConsumerApplication.class, args);
  }

}