idea创建一个springboot多模块项目之springcloud简单项目测试

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一、创建空maven项目

1.第一步

2.第二步

3.第三步

4.第四步

5.第五步

二、创建子项目demo-eureka

1.第一步

2.第二步

3.第三步

4.第四步

5.第五步

6.项目demo-service-member、项目demo-service-order跟上面的一样的步骤。

7.最终的项目结构图

三、项目详解

1.项目demo-eureka

1.1.pom.xml

<?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>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo-eureka</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo-eureka</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>
	<dependencies>
		<!--eureka server -->
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-eureka-server</artifactId>
		</dependency>
		<!-- spring boot test -->
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Dalston.RC1</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>
	<repositories>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>
</project>

1.2.application.yml

server:
  port: 8888
eureka:
  instance:
    hostname: localhost
  client:
    registerWithEureka: false
    fetchRegistry: false
    serviceUrl:
      defaultZone: http://${eureka.instance.hostname}:${server.port}/eureka/

1.3.启动类

@SpringBootApplication
@EnableEurekaServer
public class DemoEurekaApplication {

	public static void main(String[] args) {
		SpringApplication.run(DemoEurekaApplication.class, args);
	}
}

2.项目demo-service-member

2.1.pom.xml

<?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>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo-service-member</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo-service-member</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-eureka</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Dalston.RC1</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>
	<repositories>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>
</project>

2.2.application.yml

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8888/eureka/
server:
  port: 8763
spring:
  application:
    name: demo-service-member

2.3.controller

@RestController
public class MemberController {
	@Value("${server.port}")
	private String serverPort;
	private static int count = 0;

	@RequestMapping("/getMemberAll")
	public List<String> getMemberAll() {
		try{
			Thread.sleep(3000);
		}catch (Exception e){

		}
		count++;
		List<String> listUser = new ArrayList<String>();
		listUser.add("zhangsan");
		listUser.add("lisi");
		listUser.add("cmx");
		listUser.add("count"+count);
		System.out.println("count:" + count);
		listUser.add("serverPort:"+serverPort);
		return listUser;
	}
	@RequestMapping("/getMemberServiceApi")
	public String getMemberServiceApi(){
		return "this is 会员服务工程";
	}
}

2.4.启动类

@SpringBootApplication
@EnableEurekaClient
public class DemoServiceMemberApplication {

	public static void main(String[] args) {
		SpringApplication.run(DemoServiceMemberApplication.class, args);
	}
}

3.项目demo-service-order

3.1.pom.xml

<?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>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.5.2.RELEASE</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>
	<groupId>com.example</groupId>
	<artifactId>demo-service-order</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>demo-service-order</name>
	<description>Demo project for Spring Boot</description>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-eureka</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.cloud</groupId>
			<artifactId>spring-cloud-starter-ribbon</artifactId>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>

	<dependencyManagement>
		<dependencies>
			<dependency>
				<groupId>org.springframework.cloud</groupId>
				<artifactId>spring-cloud-dependencies</artifactId>
				<version>Dalston.RC1</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>

	<repositories>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>
</project>

3.2.application.yml

eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8888/eureka/
server:
  port: 8764
spring:
  application:
    name: demo-service-order

3.3.controller

@RestController
public class OrderController {
	@Autowired
	private OrderMemberService orderMemberService;

	@RequestMapping("/getOrderUserAll")
	public List<String> getOrderUserAll() {
		System.out.println("订单服务开始调用会员服务");
		return orderMemberService.getOrderUserAll();
	}
	@RequestMapping("/getOrderServiceApi")
	public String getOrderServiceApi(){
		return "this is order 服务工程";
	}
}

3.4.service

@Service
public class OrderMemberService {
	@Autowired
	private RestTemplate restTemplate;

	public List<String> getOrderUserAll() {
	return restTemplate.getForObject("http://demo-service-member/getMemberAll", List.class);
	}
}

3.5.启动类

@SpringBootApplication
@EnableEurekaClient
public class DemoServiceOrderApplication {

	public static void main(String[] args) {
		SpringApplication.run(DemoServiceOrderApplication.class, args);
	}
	@Bean
	//开启负载均衡
	@LoadBalanced
	RestTemplate restTemplate() {
		return new RestTemplate();
	}
}

四、Eureka注册中心

五、启动三个项目

六、结果测试

七、结束

共勉！！！