SpringCloud框架搭建+實際例子+講解+系列二
阿新 • • 發佈:2019-01-23
上一節簡單講解了SpringCloud的一些東西和我要實現的功能,大致的思路框架。這一節我們將把核心流程展示如下。
一、建立maven父專案(負責整體專案的編譯和打包功能,沒有實際程式碼)
pom檔案如下所示:
<?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>mymall-master</groupId> <artifactId>mymall-master</artifactId> <version>1.0-SNAPSHOT</version> <packaging>pom</packaging> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.3.5.RELEASE</version> <relativePath/> <!-- lookup parent from repository --> </parent> <modules> <module>common-moudle</module> <module>accountservice</module> <module>eurekaserver</module> <module>mallserviceApp</module> </modules> </project>
二、建立子專案
(1)Eureka-Server 服務管制中心
pom檔案如下:
<?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> <parent> <groupId>mymall-master</groupId> <artifactId>mymall-master</artifactId> <version>1.0-SNAPSHOT</version> </parent> <groupId>eureka-server</groupId> <artifactId>eureka-server</artifactId> <version>1.0-SNAPSHOT</version> <dependencies> <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-server</artifactId> </dependency> </dependencies> <dependencyManagement> <dependencies> <dependency> <groupId>org.springframework.cloud</groupId> <artifactId>spring-cloud-dependencies</artifactId> <version>Brixton.RELEASE</version> <type>pom</type> <scope>import</scope> </dependency> </dependencies> </dependencyManagement> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> </executions> </plugin> </plugins> </build> </project>
Application.class如下:
package com.application; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.cloud.netflix.eureka.server.EnableEurekaServer; @EnableEurekaServer @SpringBootApplication public class Application { public static void main(String[] args){ new SpringApplicationBuilder(Application.class).web(true).run(args); } }
application-server1.properties-----application-server2.properties-----application-server3.properties檔案如下:
spring.application.name=eureka-server
server.port=1111
eureka.instance.hostname=server1
eureka.client.serviceUrl.defaultZone=http://server2:1112/eureka/,http://server3:1113/eureka/
spring.application.name=eureka-server
server.port=1112
eureka.instance.hostname=server2
eureka.client.serviceUrl.defaultZone=http://server1:1111/eureka/,http://server3:1113/eureka/
spring.application.name=eureka-server
server.port=1113
eureka.instance.hostname=server3
eureka.client.serviceUrl.defaultZone=http://server1:1111/eureka/,http://server2:1112/eureka/
其中server1 、server2、server3的變數設定如下:(本人是win7)
win:C:\Windows\System32\drivers\etc\hosts檔案中,新增:
127.0.0.1 server1
127.0.0.1 server2
127.0.0.1 server3
編譯專案,啟動服務管制中心,本例子是啟動了三個埠的服務管制中心,代表了三臺伺服器:
java - jar eureka-server-1.0-SNAPSHOT.jar --spring.profiles.active=server1
java - jar eureka-server-1.0-SNAPSHOT.jar --spring.profiles.active=server2
java - jar eureka-server-1.0-SNAPSHOT.jar --spring.profiles.active=server3