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1.场景还原
在分布式横行的互联网时代,springcloud占据了分布式半壁江山;笔者就eurake注册中心开篇展开对springcloud系列教程的讲解,希望能给需要的小伙伴些许指导
2.实现方案
①搭建springcloud环境,配置pom依赖
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
<spring-cloud.version>Dalston.RELEASE</spring-cloud.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka-server</artifactId>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>${spring-cloud.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
②resources下application.yml配置
eureka:
instance:
hostname: localhost
client:
registerWithEureka: false
fetchRegistry: false
serviceUrl:
defaultZone: http://${eureka.instance.hostname}:8072/eureka/
server:
enable-self-preservation: false #自我保护机制
eviction-interval-timer-in-ms: 30000 #及时踢出已关停的节点
③启动类配置
@SpringBootApplication
@EnableEurekaServer
public class MicroServiceRegisterApplication {
public static void main(String[] args) {
SpringApplication.run(MicroServiceRegisterApplication.class, args);
}
}
④配置eurake客户端
这里以笔者订单服务为例
1.订单服务的yml配置
eureka:
client:
healthcheck:
enabled: true
serviceUrl:
defaultZone: http://localhost:8072/eureka/
instance:
prefer-ip-address: true
lease-expiration-duration-in-seconds: 30 #续约到期时间
lease-renewal-interval-in-seconds: 10 #续约更新时间间隔
2.订单服务的启动类配置
@SpringBootApplication
@ComponentScan("com.yivi")
@MapperScan({"com.yivi.yiviproj.microservicedispatch.dao","com.yivi.yivisender.dispatchdata.dao","com.yivi.yivisender.dispatchcalengine.dao"})
@EnableTransactionManagement
@EnableCaching
@EnableEurekaClient
public class MicroServiceDispatchApplication{
public static void main(String[] args) {
SpringApplication.run(MicroServiceDispatchApplication.class, args);
}
@Bean
@LoadBalanced
//开启负载均衡
RestTemplate restTemplate() {
return new RestTemplate();
}
}
这里订单服务就注册到eurake注册中心去了
3.测试效果
好了,eurake服务就搭建成功了;我是张星,欢迎加入博主技术交流群,群号:526601468
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