详解spring cloud eureka注册中心

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

//插件apply plugin: 'java' apply plugin: 'spring-boot'//jdk版本sourceCompatibility = 1.8dependencies {  testCompile group: 'junit', name: 'junit', version: '4.12' //项目版本}//在编译构建时的配置 自动维护版本号buildscript {  ext{    springBootVersion='1.5.10.RELEASE' //ext中可以定义变量 里面写的是springboot插件的版本  }  repositories {    maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}    jcenter()    mavenCentral()    maven{ url "http://repo.spring.io/snapshot" }    maven{ url "http://repo.spring.io/milestone" }    maven{ url "http://repo.spring.io/release" }    maven{ url 'http://repo.spring.io/plugins-snapshot' }  }  dependencies{    classpath("org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}")  }}//统一所有项目的配置 就是对所有的模块进行统一配置 所有以后的模块都不用再配置allprojects {  group 'com.indi.wk' //分组  version '1.0-SNAPSHOT' //版本号   ext{    springCloudVersion='Edgware.SR2'  }  repositories {    maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}    jcenter()    mavenCentral()    maven{ url "http://repo.spring.io/snapshot" }    maven{ url "http://repo.spring.io/milestone" }    maven{ url "http://repo.spring.io/release" }    maven{ url 'http://repo.spring.io/plugins-snapshot' }  }}//统一所有子项目的配置subprojects {  apply plugin: 'java'  apply plugin: 'idea'  apply plugin: 'spring-boot'  dependencies {    compile('org.springframework.boot:spring-boot-starter-web'){      //移除tomcat 因为springboot嫌tomcat运行慢 就使用undertow来代替      exclude module:"spring-boot-starter-tomcat"    }    //替代tomcat    compile 'org.springframework.boot:spring-boot-starter-undertow'    //健康检查    compile 'org.springframework.boot:spring-boot-starter-actuator'    dependencies {      testCompile group: 'junit', name: 'junit', version: '4.12'    }  }  //版本控制插件  dependencyManagement{    imports{      mavenBom "org.springframework.cloud:spring-cloud-dependencies:${springCloudVersion}"    }  }}

server: port: 8888 #端口号spring: application:  name: register-center #项目名eureka: client:  register-with-eureka: false #启动时不向注册中心注册自己 意思也就是证明自己是一个注册中心  fetch-registry: false #启动时是否检索服务 不检索 含义同上

eureka.server.enable-self-preservation:

@SpringBootApplication //启动项目@EnableEurekaServer // 定义自己是一个注册中心public class RegisterCenterProvider {  public static void main(String[] args) {    SpringApplication.run(RegisterCenterProvider.class,args);  }}

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

eureka: client:  service-url:   defaultZone: http://localhost:8888/eureka/ #注册进那个注册中心 注册中心的地址 instance:  prefer-ip-address: true #是否用ip地址注册进注册中心

@EnableDiscoveryClient