spring-cloud入门(二):eureka-client(服务注册)

前言

上一节我们搭建起了服务注册中心,为各个服务提供者和消费者提供一个桥梁,这一节我们搭建一个服务提供者,注册到注册中心

参考项目:https://github.com/bigbeef/cppba-spring-cloud
开源地址:https://github.com/bigbeef
个人博客:http://blog.cppba.com

新建eureka-client模块

代码结构如下:

代码编写

cppba-spring-cloud-eureka-client > pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>cppba-spring-cloud-eureka-client</artifactId>
<packaging>jar</packaging>
<name>${project.artifactId}</name>
<parent>
<groupId>com.cppba</groupId>
<artifactId>cppba-spring-cloud</artifactId>
<version>1.0.0</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
</dependencies>
</project>

SpringCloudEurekaClientApplication.java

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package com.cppba;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@SpringBootApplication
@EnableEurekaClient
@RestController
public class SpringCloudEurekaClientApplication {
public static void main(String[] args) {
SpringApplication.run(SpringCloudEurekaClientApplication.class, args);
}
@Value("${server.port}")
private String port;
@RequestMapping("/hi")
public String sayHi(@RequestParam String name) {
return "hi " + name + ",i am from port:" + port;
}
}

application.properties

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server.port=8764
eureka.client.serviceUrl.defaultZone=http://localhost:8761/eureka/
spring.application.name=service-say

到此项目搭建完成

启动项目

启动eureka-client之前,我们先启动上一节搭建的eureka-server,两个服务都启动好以后,我们访问注册中心,可以看到:

说明我们服务注册成功!访问一下http://127.0.0.1:8764/hi?name=hornet

到此,eureka-client(服务发现)项目搭建成功。