为什么
使用这个三个版本,是有讲究的;spring boot 2.2.2
,spring cloud Hoxton.SR1
,spring cloud alibaba 2.1.0.RELEASE
<!--eureka-client-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
完整pom
<?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">
<parent>
<artifactId>cloud2020</artifactId>
<groupId>cn.cookily.springcloud</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>cloud-consumer-order80</artifactId>
<name>cloud-consumer-order80</name>
<dependencies>
<!--eureka-client-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
</dependency>
<dependency>
<!-- 引入自己定义的api通用包,可以使用Payment支付Entity -->
<groupId>cn.cookily.springcloud</groupId>
<artifactId>cloud-api-commons</artifactId>
<version>${project.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>
spring:
application:
name: cloud-order-service
eureka:
client:
#表示是否将自己注册进eurekaServer 默认为true
register-with-eureka: true
#是否从eurekaServer抓取已有的注册信息,默认为true,单节点无所谓,集群必须设置为true才能配合ribbon使用负载均衡
fetch-registry: true
service-url:
defaultZone: http://localhost:7001/eureka
完整配置文件
server:
port: 80
spring:
application:
name: cloud-order-service
eureka:
client:
#表示是否将自己注册进eurekaServer 默认为true
register-with-eureka: true
#是否从eurekaServer抓取已有的注册信息,默认为true,单节点无所谓,集群必须设置为true才能配合ribbon使用负载均衡
fetch-registry: true
service-url:
defaultZone: http://localhost:7001/eureka
@EnableEurekaClient
完整代码
@SpringBootApplication
@EnableEurekaClient
public class OrderMain80 {
public static void main(String[] args) {
SpringApplication.run(OrderMain80.class, args);
}
}
我们
订单模块
现在是注册中心客户端
,也是服务消费者
启动有顺序
,要先启动注册中心服务端
,在启动注册中心客户端
, 即,先启动cloud-eureka-server7001
,在启动cloud-consumer-order80
启动后,查看下注册中心后台:
可以把 register-with-eureka: 改为 false 即
register-with-eureka: false
eureka:
client:
#表示是否将自己注册进eurekaServer 默认为true
register-with-eureka: false
#是否从eurekaServer抓取已有的注册信息,默认为true,单节点无所谓,集群必须设置为true才能配合ribbon使用负载均衡
fetch-registry: true
service-url:
defaultZone: http://localhost:7001/eureka
重启订单模块 订单模块不在注册中心里