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  • springboot基于maven多模块项目搭建(直接启动webApplication)

    1. 新建maven项目springboot-module

    2.把src删掉，新建module项目

    • springboot-module-api

    • springboot-module-model

    • springboot-module-service

    • springboot-module-util

    • springboot-module-web

     

    3. 添加模块之间的依赖

    3.1   springboot-module.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <modelVersion>4.0.0</modelVersion>
 6 
 7     <groupId>com.springboot.module</groupId>
 8     <artifactId>springboot-module</artifactId>
 9     <packaging>pom</packaging>
10     <version>1.0-SNAPSHOT</version>
11     <modules>
12         <module>springboot-module-api</module>
13         <module>springboot-module-model</module>
14         <module>springboot-module-service</module>
15         <module>springboot-module-util</module>
16         <module>springboot-module-web</module>
17     </modules>
18 
19     <!-- Spring boot 父引用-->
20     <parent>
21         <groupId>org.springframework.boot</groupId>
22         <artifactId>spring-boot-starter-parent</artifactId>
23         <version>1.4.1.RELEASE</version>
24     </parent>
25     <dependencies>
26         <!-- Spring boot 核心web-->
27         <dependency>
28             <groupId>org.springframework.boot</groupId>
29             <artifactId>spring-boot-starter-web</artifactId>
30         </dependency>
31         <dependency>
32             <groupId>org.projectlombok</groupId>
33             <artifactId>lombok</artifactId>
34             <version>1.16.18</version>
35         </dependency>
36         <dependency>
37             <groupId>org.springframework.boot</groupId>
38             <artifactId>spring-boot-starter-logging</artifactId>
39         </dependency>
40         <dependency>
41             <groupId>org.springframework.boot</groupId>
42             <artifactId>spring-boot-starter-test</artifactId>
43         </dependency>
44     </dependencies>
45 
46     <build>
47         <plugins>
48             <plugin>
49                 <groupId>org.springframework.boot</groupId>
50                 <artifactId>spring-boot-maven-plugin</artifactId>
51                 <executions>
52                     <execution>
53                         <goals>
54                             <goal>repackage</goal>
55                         </goals>
56                     </execution>
57                 </executions>
58                 <configuration>
59                     <executable>true</executable>
60                 </configuration>
61             </plugin>
62         </plugins>
63     </build>
64 </project>

    3.2  springboot-module-api.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <parent>
 6         <artifactId>springboot-module</artifactId>
 7         <groupId>com.springboot.module</groupId>
 8         <version>1.0-SNAPSHOT</version>
 9     </parent>
10     <modelVersion>4.0.0</modelVersion>
11     <artifactId>springboot-module-api</artifactId>
12 
13     <dependencies>
14         <dependency>
15             <groupId>com.springboot.module</groupId>
16             <artifactId>springboot-module-util</artifactId>
17             <version>1.0-SNAPSHOT</version>
18             <scope>compile</scope>
19         </dependency>
20     </dependencies>
21 </project>

    3.3   springboot-module-model.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <parent>
 6         <artifactId>springboot-module</artifactId>
 7         <groupId>com.springboot.module</groupId>
 8         <version>1.0-SNAPSHOT</version>
 9     </parent>
10     <modelVersion>4.0.0</modelVersion>
11     <artifactId>springboot-module-model</artifactId>
12 
13     <dependencies>
14         <dependency>
15             <groupId>org.springframework.boot</groupId>
16             <artifactId>spring-boot-starter-data-jpa</artifactId>
17         </dependency>
18         <dependency>
19             <groupId>mysql</groupId>
20             <artifactId>mysql-connector-java</artifactId>
21         </dependency>
22         <dependency>
23             <groupId>com.springboot.module</groupId>
24             <artifactId>springboot-module-util</artifactId>
25             <version>1.0-SNAPSHOT</version>
26             <scope>compile</scope>
27         </dependency>
28     </dependencies>
29 
30 </project>

    3.4   springboot-module-service.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <parent>
 6         <artifactId>springboot-module</artifactId>
 7         <groupId>com.springboot.module</groupId>
 8         <version>1.0-SNAPSHOT</version>
 9     </parent>
10     <modelVersion>4.0.0</modelVersion>
11     <artifactId>springboot-module-service</artifactId>
12 
13     <dependencies>
14         <dependency>
15             <groupId>com.springboot.module</groupId>
16             <artifactId>springboot-module-model</artifactId>
17             <version>1.0-SNAPSHOT</version>
18         </dependency>
19         <dependency>
20             <groupId>com.springboot.module</groupId>
21             <artifactId>springboot-module-api</artifactId>
22             <version>1.0-SNAPSHOT</version>
23         </dependency>
24         <dependency>
25             <groupId>ma.glasnost.orika</groupId>
26             <artifactId>orika-core</artifactId>
27             <version>1.5.1</version>
28         </dependency>
29         <dependency>
30             <groupId>org.apache.commons</groupId>
31             <artifactId>commons-lang3</artifactId>
32             <version>3.5</version>
33         </dependency>
34     </dependencies>
35 </project>

    3.5   springboot-module-util.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <parent>
 6         <artifactId>springboot-module</artifactId>
 7         <groupId>com.springboot.module</groupId>
 8         <version>1.0-SNAPSHOT</version>
 9     </parent>
10     <modelVersion>4.0.0</modelVersion>
11     <artifactId>springboot-module-util</artifactId>
12 
13     <dependencies>
14         <dependency>
15             <groupId>org.springframework.boot</groupId>
16             <artifactId>spring-boot-starter-data-jpa</artifactId>
17         </dependency>
18     </dependencies>
19 </project>

    3.6   springboot-module-web.pom

     1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <parent>
 6         <artifactId>springboot-module</artifactId>
 7         <groupId>com.springboot.module</groupId>
 8         <version>1.0-SNAPSHOT</version>
 9     </parent>
10     <modelVersion>4.0.0</modelVersion>
11     <artifactId>springboot-module-web</artifactId>
12 
13     <dependencies>
14         <dependency>
15             <groupId>com.springboot.module</groupId>
16             <artifactId>springboot-module-service</artifactId>
17             <version>1.0-SNAPSHOT</version>
18         </dependency>
19     </dependencies>
20 </project>

    4.  模块依赖关系图

     

    5.  层说明

      springboot-module-api    ——业务逻辑接口

      springboot-module-model ——实体类

      springboot-module-service ——数据访问层，业务逻辑层的实现

      springboot-module-util    ——工具模块

      springboot-module-web    ——表现层

    6.  包名设计

    包名推荐以groupId为开头定义，所有模块的包名结构统一规范，比如groupId是com.springboot.module,而所有模块包名都以com.springboot.module开头，其中web层的WebApplication需要放在com.springboot.module下，不能放在com.springboot.module.web或者com.springboot.module.controller下。推荐使用下面的第一种情况。

    6.1. 包名以groupId开头，注意WebApplication.java的位置，必须放在com.springboot.module包下，不能放在com.springboot.module.controller或者com.springboot.module.web包下

     

    6.2. 包名以groupId开头，web层WebApplication.java放在了com.springboot.module.web下。

     

    启动WebApplication.java会报如下错误

    6.2.1. 解决方法：

    1)     第一步：在WebApplication中加入

    1 @ComponentScan(basePackages = {"com.springboot.module"})不是@ComponentScan(basePackages = {"com.springboot.module.*"})

    1)     第二步，在springboot-module-service模块中添加ServiceApplication.java类，

    6.2.2. 包名不以groupId开头，其他和第一种情况一样也是可以的。但最好推荐是以groupId为开头的

    7.只有 web层有application.properties

     1 server.port=8086
 2 server.servlet-path=/
 3 spring.resources.static-locations=classpath:/static/,classpath:/templates/
 4 spring.mvc.view.suffix=.html
 5 
 6 #配置数据源
 7 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
 8 spring.datasource.url=jdbc:mysql://localhost:3306/springboot-module
 9 spring.datasource.username=root
10 spring.datasource.password=root
11 spring.jpa.hibernate.ddl-auto=update
12 spring.jpa.show-sql=true
13 
14 #在控制台输出彩色日志
15 spring.output.ansi.enabled=always
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  • 原文地址：https://www.cnblogs.com/jcjssl/p/9380309.html
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