Spring-cloud 注册服务提供者搭建方法

上文已经写了如何去搭建注册中心，仅有注册中心是远远不够的，所以我们需要注册到注册中心并提供服务的节点，这里称为注册服务提供者

前提

阅读上文，并成功搭建注册中心，环境无需改变

项目搭建

这里我们需要新建一个maven项目，项目名称之前没有起好，这里就参考一下，我的是springclouddemo，不要在意这些细节！

修改pom文件，参考如下：

注意：请看好这些jar包的版本号，文末我会贴出之前我搭建的两个比较简单的demo的github路径

<?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>

<groupid>com.hellxz</groupid>

<artifactid>springclouddemo</artifactid>

<version>0.0.1-snapshot</version>

<packaging>jar</packaging>

<name>springclouddemo</name>

<description>demo project for spring boot</description>

<parent>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter-parent</artifactid>

<version>1.5.9.release</version>

<relativepath/> 

</parent>

<dependencymanagement>

<dependencies>

<dependency>

<groupid>org.springframework.cloud</groupid>

<artifactid>spring-cloud-dependencies</artifactid>

<version>camden.sr3</version>

<type>pom</type>

<scope>import</scope>

</dependency>

</dependencies>

</dependencymanagement>

<properties>

<project.build.sourceencoding>utf-8</project.build.sourceencoding>

<project.reporting.outputencoding>utf-8</project.reporting.outputencoding>

<java.version>1.8</java.version>

</properties>

<dependencies>

<dependency>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter-web</artifactid>

</dependency>

<dependency>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter-test</artifactid>

<scope>test</scope>

</dependency>

<dependency>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-starter-actuator</artifactid>

</dependency>

<dependency>

<groupid>junit</groupid>

<artifactid>junit</artifactid>

<version>4.8.2</version>

</dependency>

<dependency>

<groupid>org.springframework.cloud</groupid>

<artifactid>spring-cloud-starter-eureka</artifactid>

</dependency>

<dependency>

<groupid>org.springframework.cloud</groupid>

<artifactid>spring-cloud-config-server</artifactid>

</dependency>

</dependencies>

<build>

<plugins>

<plugin>

<groupid>org.springframework.boot</groupid>

<artifactid>spring-boot-maven-plugin</artifactid>

</plugin>

<plugin>

<groupid>org.apache.maven.plugins</groupid>

<artifactid>maven-compiler-plugin</artifactid>

<configuration>

<source>1.8</source>

<target>1.8</target>

</configuration>

</plugin>

</plugins>

</build>

</project>

虽然版本号不同于eurekaserver注册中心项目，但是经实践是可以正常使用的，请放心

新建一个启动类（每个springboot项目中都有）

package com.hellxz.springcloudhelloworld;

import org.springframework.boot.springapplication;

import org.springframework.boot.autoconfigure.springbootapplication;

import org.springframework.cloud.client.discovery.enablediscoveryclient;

/**

* @author : hellxz

* @description: eurekaclient

* @date : 2018/4/13 16:57

*/

@enablediscoveryclient

@springbootapplication

public class springclouddemoapplication {

public static void main(string[] args) {

springapplication.run(springclouddemoapplication.class, args);

}

新建一个controller类，留作之后测试

package com.hellxz.springcloudhelloworld;

import org.apache.log4j.logger;

import org.springframework.beans.factory.annotation.autowired;

import org.springframework.cloud.client.serviceinstance;

import org.springframework.cloud.client.discovery.discoveryclient;

import org.springframework.web.bind.annotation.requestmapping;

import org.springframework.web.bind.annotation.requestmethod;

import org.springframework.web.bind.annotation.restcontroller;

/**

* @author : hellxz

* @description: 服务提供者

* @date : 2018/4/12 11:36

*/

@restcontroller

public class springbootcontroller {

@autowired

private discoveryclient client; //注入发现客户端

private final logger logger = logger.getlogger(springbootcontroller.class);

@requestmapping(value = "/hello", method = requestmethod.get)

public string hello(){

//获取服务实例，作用为之后console显示效果

serviceinstance serviceinstance = client.getlocalserviceinstance();

logger.info("/hello host:"+serviceinstance.gethost()+" service_id:" +serviceinstance.getserviceid());

return "hello";

}

在src/resources文件夹下创建application.yml 这次使用yaml进行配置，如果想尝试properties文件方式，请参考上文，此处配置的提供服务地址请参考注册中心的配置

Spring-cloud 注册服务提供者搭建方法

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