SpringCloud服务消费有哪几种方式?
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摘要: 一、使用LoadBalancerClientLoadBalancerClient接口的命名中,可以看出这是一个负载均衡客户端的抽象定义,spring提供了一个实现org.springframework.cloud.netflix.ribbon.RibbonLoadBalancerClient1、pom.xml<parent><groupId&g... ...
目录
(为您整理了一些要点),点击可以直达。一、使用LoadBalancerClient
LoadBalancerClient接口的命名中,可以看出这是一个负载均衡客户端的抽象定义,spring提供了一个实现
org.springframework.cloud.netflix.ribbon.RibbonLoadBalancerClient
1、pom.xml
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.1.7.RELEASE</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.47</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- spring boot test -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
2、application.yml
server:
#服务端口号
port: 8080
spring:
application:
#服务名称
name: vis-basic-report
thymeleaf:
cache: false
cloud:
consul:
host: 192.168.12.125
port: 8500
discovery:
#是否需要注册到consul中
register: true
#服务地址直接为IP地址
hostname: 192.168.12.1
management:
endpoints:
web:
exposure:
include: '*'
3、启动类
package com.wzl.springcloud.basic.report;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.context.annotation.Bean;
import com.netflix.hystrix.contrib.metrics.eventstream.HystrixMetricsStreamServlet;@SpringBootApplication
br/>@SpringBootApplication
public class ReportServerApplication {
public static void main(String[] args) {
SpringApplication.run(ReportServerApplication.class, args);
}
}
4、相关实现类
package com.wzl.springcloud.basic.report.service;
import java.util.List;
import com.wzl.springcloud.basic.report.vo.City;
import com.wzl.springcloud.basic.report.vo.WeatherResponse;
public interface WeatherReportService {
// 根据城市ID同步天气
WeatherResponse getDataByCityId(String cityId);
// 根据城市name同步天气
WeatherResponse getDataByCityName(String cityName);
// 获取所有城市列表
List<City> getDataByCities();
}
package com.wzl.springcloud.basic.report.service.impl;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;
import com.alibaba.fastjson.JSON;
import com.wzl.springcloud.basic.report.service.WeatherReportService;
import com.wzl.springcloud.basic.report.vo.City;
import com.wzl.springcloud.basic.report.vo.WeatherResponse;
/**
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