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  • SpringBoot+Maven 多模块项目的构建、运行、打包

    本篇文章主要介绍了SpringBoot+Maven 多模块项目的构建、运行、打包,分享给大家,具体如下:

    项目使用的工具:

    1. IntelliJ IDEA
    2. JDK 1.8
    3. apache-maven-3.3.9

    项目的目录:

    1. 主项目 springboot-multi
    2. 子模块 entity、dao、service、web

    一、使用IDEA创建一个SpringBoot项目 : File -> new -> Project 项目名称为springboot-multi

    二、删除项目中的src目录,把pom.xml中的项目打包方式改为pom,如下:

    <groupId>com.example</groupId> 
    <artifactId>springboot-multi</artifactId> 
    <version>0.0.1-SNAPSHOT</version> 
    <!-- 此处改为pom --> 
    <packaging>pom</packaging>

    三、创建springboot-multi项目的子模块,在项目上右键单击,选择:new -> Module。

    四、创建四个子模块后,删除子模块中 src/main/java、src/main/java下的所有文件(如果没有文件跳过此操作),只保留web子模块的SpringBoot的Application主启动类。

    五、主项目pom.xml (注意<modules>标签是否指定了子模块)

      <modelVersion>4.0.0</modelVersion>
        <groupId>com.example</groupId>
        <artifactId>springboot-multi</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <!-- 此处改为pom -->
        <packaging>pom</packaging>
    
        <name>springboot-multi</name>
        <description>Demo project for Spring Boot</description>
    
        <modules>
            <module>web</module>
            <module>service</module>
            <module>dao</module>
            <module>entity</module>
        </modules>
    
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.5.10.RELEASE</version>
            <relativePath/> <!-- lookup parent from repository -->
        </parent>
    
        <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.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
        </dependencies>
    
        <!--指定使用maven打包-->
        <build>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.1</version>
                    <configuration>
                        <source>${java.version}</source>
                        <target>${java.version}</target>
                    </configuration>
                </plugin>
    
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.19.1</version>
                    <configuration>
                        <skipTests>true</skipTests>  <!--默认关掉单元测试 -->
                    </configuration>
                </plugin>
            </plugins>
        </build>

    六、web子模块pom.xml(依赖service、dao、entity子模块) 

      <modelVersion>4.0.0</modelVersion>
        <groupId>com.example</groupId>
        <artifactId>web</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
    
        <name>web</name>
        <description>Demo project for Spring Boot</description>
    
        <parent>
            <groupId>com.example</groupId>
            <artifactId>springboot-multi</artifactId>
            <version>0.0.1-SNAPSHOT</version>
            <relativePath>../pom.xml</relativePath>
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>service</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>dao</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>entity</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
        </dependencies>
    
        <!--spring boot打包的话需要指定一个唯一的入门-->
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                    <configuration>
                        <!-- 指定该Main Class为全局的唯一入口 -->
                        <mainClass>com.example.WebApplication</mainClass>
                        <layout>ZIP</layout>
                    </configuration>
                    <executions>
                        <execution>
                            <goals>
                                <goal>repackage</goal><!--可以把依赖的包都打包到生成的Jar包中-->
                            </goals>
                        </execution>
                    </executions>
                </plugin>
            </plugins>
        </build>

    七、service子模块pom.xml(依赖 dao 、entity子模块)

      <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.example</groupId>
        <artifactId>service</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
    
        <name>service</name>
        <description>Demo project for Spring Boot</description>
    
        <parent>
            <groupId>com.example</groupId>
            <artifactId>springboot-multi</artifactId>
            <version>0.0.1-SNAPSHOT</version>
            <relativePath>../pom.xml</relativePath>
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>dao</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>entity</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
        </dependencies>

    八、dao子模块pom.xml (依赖entity子模块) 

      <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.example</groupId>
        <artifactId>dao</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
    
        <name>dao</name>
        <description>Demo project for Spring Boot</description>
    
        <parent>
            <groupId>com.example</groupId>
            <artifactId>springboot-multi</artifactId>
            <version>0.0.1-SNAPSHOT</version>
            <relativePath>../pom.xml</relativePath>
        </parent>
    
        <dependencies>
            <dependency>
                <groupId>com.example</groupId>
                <artifactId>entity</artifactId>
                <version>0.0.1-SNAPSHOT</version>
            </dependency>
        </dependencies>

    九、entity子模块

      <modelVersion>4.0.0</modelVersion>
    
        <groupId>com.example</groupId>
        <artifactId>entity</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
    
        <name>entity</name>
        <description>Demo project for Spring Boot</description>
    
        <parent>
            <groupId>com.example</groupId>
            <artifactId>springboot-multi</artifactId>
            <version>0.0.1-SNAPSHOT</version>
            <relativePath>../pom.xml</relativePath>
        </parent>

    十、pom.xml文件中需要注意的就是:

    1. 主项目的modules标签指定的子模块是否正确
    2. 子模块之间的依赖
    3. 子模块的parent标签

    十一、web子模块的Application启动类:

    @RestController 
    @SpringBootApplication 
    public class WebApplication { 
     
      public static void main(String[] args) { 
        SpringApplication.run(WebApplication.class, args); 
      } 
     
      @RequestMapping(value = "/test",method = RequestMethod.GET) 
      public String test(){ 
        return "test success"; 
      } 
    }

    十二、执行main方法启动项目,访问localhost:8080/test,出现如下页面表示项目搭建成功:

    十三、项目打包命令: mvn clean package 或者 使用右边工具栏的图形化界面打包也可以:

    十四、打包成功日志:

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  • 原文地址:https://www.cnblogs.com/47Gamer/p/13857222.html
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