基础依赖

compile('org.springframework.boot:spring-boot-starter-actuator')compile('org.springframework.boot:spring-boot-starter-web')compile('org.springframework.cloud:spring-cloud-starter')

eureka（单机）

服务端：

依赖

compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-server')

application.yml 配置

spring: application: name: deveureka: client: service-url: defaultZone: http://本机ip地址:8761/eureka/ #注册中心地址 register-with-eureka: false #表明该实例是否应该与尤里卡服务器登记其信息被别人发现。在某些情况下,您不希望您的实例被发现而你想发现其他实例。默认为true fetch-registry: false #表明这个客户是否应该从尤里卡服务器获取尤里卡注册表信息。默认为trueserver: port: 8761

启动类添加 @EnableEurekaServer

客户端：

主要依赖

compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-client')

application.yml 配置

eureka: client: service-url: defaultZone: http://eureka服务地址:8761/eureka/

启动类添加 @EnableDiscoveryClient （注册中心通用客户端注解）或 @EnableEurekaClient （只有eureka客户端可用）

eureka（集群）

服务端

主要依赖

compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-server')compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-client')

application.yml 配置

server: port: 8761eureka: client: register-with-eureka: false fetch-registry: false server: enable-self-preservation: false #使用自我保护，默认true peer-node-read-timeout-ms: 5000 #节点读取超时时间，默认200毫秒---spring: application: name: eureka1 profiles: eureka1eureka: client: service-url: defaultZone: http://eureka2:8761/eureka/,http://eureka3:8761/eureka/ instance: hostname: eureka1---spring: application: name: eureka2 profiles: eureka2eureka: client: service-url: defaultZone: http://eureka1:8761/eureka/,http://eureka3:8761/eureka/ instance: hostname: eureka2---spring: application: name: eureka3 profiles: eureka3eureka: client: service-url: defaultZone: http://eureka1:8761/eureka/,http://eureka2:8761/eureka/ instance: hostname: eureka3

eureka.client.service-url.defaultZone 与 eureka.instance.hostsname eureka1、eureka2、eureka3 都再本机的 hosts 文件里事先写好,

例如 eureka1 服务器上的hosts文件
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
127.0.0.1 eureka1
xxx.xxx.x.xx eureka2
xx.xxx.xxx.xx eureka3

启动类同样是添加 @EnableEurekaServer 注意：如果运行 jar 包时需要程序接收命令行参数，一定要再main方法的 SpringApplication.run() 方法 中传入 args 参数

例如：

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

如果不传入的话在命令行输入 java -jar xxx.jar --参数名=参数值 参数将不起作用从而影响你无法选择写好的环境配置

客户端：

依赖跟单机的一样

application.yml 配置

eureka: instance: prefer-ip-address: true #是否显示ip ip-address: 本机ip #填写本机ip地址 client: service-url: defaultZone: http://eureka1:8761/eureka/,http://eureka2:8761/eureka/，http://eureka3:8761/eureka/

启动类注解与单机版一样

客户端注册一台注册中心，同时注册到其他集群中说明成功！

eureka添加 spring-security 权限认证

依赖

compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-client')compile('org.springframework.boot:spring-boot-starter-security')compile('org.springframework.cloud:spring-cloud-starter-netflix-eureka-server')

application.yml 配置

server: port: 8761spring: application: name: eureka-server security: user: name: zyn password: zyn123... #用户名与密码若是不配置，系统会自动生成并打印在控制台日志上 eureka: client: register-with-eureka: false fetch-registry: false server: enable-self-preservation: false peer-node-read-timeout-ms: 5000 management: endpoints: web: base-path: / exposure: include: '*' endpoint: health: show-details: always restart: enabled: true server: port: 8761---spring: profiles: eureka-jyeureka: client: service-url: defaultZone: http://${spring.security.user.name}:${spring.security.user.password}@eureka-B:8761/eureka/,http://${spring.security.user.name}:${spring.security.user.password}@eureka-C:8761/eureka/ instance: hostname: eureka-A---spring: profiles: eureka-lhneureka: client: service-url: defaultZone: http://${spring.security.user.name}:${spring.security.user.password}@eureka-A:8761/eureka/,http://${spring.security.user.name}:${spring.security.user.password}@eureka-C:8761/eureka/ instance: hostname: eureka-B---spring: profiles: eureka-zsmeureka: client: service-url: defaultZone: http://${spring.security.user.name}:${spring.security.user.password}@eureka-A:8761/eureka/,http://${spring.security.user.name}:${spring.security.user.password}@eureka-B:8761/eureka/ instance: hostname: eureka-C

创建一个类并继承 WebSecurityConfigurerAdapter 类，并在此类上添加 @EnableWebSecurity和@Configuration 注解，重写 configure 方法

package com.iteng.eureka.security;​import org.springframework.context.annotation.Configuration;import org.springframework.security.config.annotation.web.builders.HttpSecurity;import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;​@EnableWebSecurity@Configurationpublic class WebSecurityConfig extends WebSecurityConfigurerAdapter {​ @Override protected void configure(HttpSecurity http) throws Exception { http.csrf().disable(); // 关闭csrf http.authorizeRequests().anyRequest().authenticated().and().httpBasic(); // 开启认证 }}

启动类添加注解

@EnableEurekaServer@EnableWebSecurity

下线服务

http://eureka地址:端口/eureka/apps/服务名/服务地址:服务端口号

实例如下：

erueka注册中心ip: 10.100.1.100

端口: 12000

服务名: CPS-RISK-SERVER

实例id: 192.168.10.54:18883

则向下面的url通过http发送delete命令，可将指定的服务实例删除：
http://10.100.1.100:12000/eureka/apps/CPS-RISK-SERVER/192.168.10.54:18883

变更服务状态

http://eureka地址:端口/eureka/apps/服务名/服务地址/status?value=${value}

其中${value}的取值为：OUT_OF_SERVICE , DOWN , UP

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。