【SpringCloud】单体商城项目拆分微服务和各个组件学习①
在这个例子中,我们将创建一个简单的单体商城项目,并将其拆分成微服务。我们将使用Spring Cloud作为微服务的基础设施。
首先,我们需要创建一个父项目来管理所有微服务的依赖。
<groupId>com.example</groupId>
<artifactId>microservice-shop-parent</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>pom</packaging>
<properties>
<java.version>1.8</java.version>
<spring-cloud.version>Hoxton.SR10</spring-cloud.version>
</properties>
<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>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
接下来,我们创建一个服务注册与发现组件(例如Eureka Server)。
<parent>
<groupId>com.example</groupId>
<artifactId>microservice-shop-parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>microservice-discovery-server</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
</dependencies>
@SpringBootApplication
@EnableEurekaServer
public class DiscoveryServerApplication {
public static void main(String[] args) {
SpringApplication.run(DiscoveryServerApplication.class, args);
}
}
在application.properties中配置Eureka Server:
spring.application.name=discovery-server
server.port=8761
eureka.client.register-with-eureka=false
eureka.client.fetch-registry=false
eureka.client.service-url.defaultZone=http://localhost:8761/eureka/
以上代码创建了一个简单的Eureka服务器,用于服务注册和发现。
接下来,我们创建一个API网关,例如Zuul。
<parent>
<groupId>com.example</groupId>
<artifactId>microservice-shop-parent</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>microservice-api-gateway</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifa
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