这篇文章给大家介绍springboot多模块打包的记录是怎样的,内容非常详细,感兴趣的小伙伴们可以参考借鉴,希望对大家能有所帮助。
项目结构如下:
各项目的pom.xml文件如下,
父项目
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <modules> <module>common</module> <module>controller</module> <module>domain</module> </modules> <groupId>com.hs</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>spring-modules</name> <packaging>pom</packaging> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <springboot.version>2.4.2</springboot.version> <!--插件相关 --> <maven.test.skip>true</maven.test.skip> <maven.test.failure.ignore>true</maven.test.failure.ignore> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> </dependencies> <dependencyManagement> <dependencies> <!-- 如果使用父子工程,还想用dependencyManagement,则无法使用springboot推荐的在parent写到上面,需要使用下面这种方式 --> <!-- 如果不使用dependencyManagement,全部都用同样的jar包的话,则没这个问题 --> <!-- SpringBoot的依赖配置--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-dependencies</artifactId> <version>2.4.4</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> <!-- 设置编译的相关信息 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.7.0</version> <configuration> <source>${java.version}</source> <target>${java.version}</target> <encoding>${project.build.sourceEncoding}</encoding> </configuration> </plugin> <!-- 打包执行单独测试插件 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-surefire-plugin</artifactId> <version>2.19.1</version> <configuration> <skipTests>${maven.test.skip}</skipTests> <testFailureIgnore>${maven.test.failure.ignore}</testFailureIgnore> </configuration> </plugin> </plugins> </build> </project>
controller子项目(主工程)
<?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"> <parent> <artifactId>demo</artifactId> <groupId>com.hs</groupId> <version>0.0.1-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>controller</artifactId> <packaging>jar</packaging> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>com.hs</groupId> <artifactId>domain</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <dependency> <groupId>com.hs</groupId> <artifactId>common</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> </project>
domain子项目(model和service、repository)
<?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"> <parent> <artifactId>demo</artifactId> <groupId>com.hs</groupId> <version>0.0.1-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>domain</artifactId> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>com.hs</groupId> <artifactId>common</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> </project>
common子项目(公共类项目)
<?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"> <parent> <artifactId>demo</artifactId> <groupId>com.hs</groupId> <version>0.0.1-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>common</artifactId> </project>
下面开始测试,目前spring-boot-maven-plugin在父pom文件上,执行后报错找不到main class文件:Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.4.4:repackage (default) on project common: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:2.4.4:repackage failed: Unable to find main class
按照提示,在父pom.xml中增加main class的配置
<plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <mainClass>com.hs.demo.DemoApplication</mainClass> <layout>ZIP</layout> </configuration> <executions> <execution> <goals> <goal>repackage</goal> </goals> </execution> </executions> </plugin>
这会报了4个错误,都是报包不存在的
继续测试,把spring-boot-maven-plugin放到主工程的pom中去
最终controller工程的pom.xml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"> <parent> <artifactId>demo</artifactId> <groupId>com.hs</groupId> <version>0.0.1-SNAPSHOT</version> </parent> <modelVersion>4.0.0</modelVersion> <artifactId>controller</artifactId> <packaging>jar</packaging> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <dependency> <groupId>com.hs</groupId> <artifactId>domain</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> <dependency> <groupId>com.hs</groupId> <artifactId>common</artifactId> <version>0.0.1-SNAPSHOT</version> </dependency> </dependencies> <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>
继续测试,打包成功,文件大小正常
这个repackage有什么用呢?去了试试,最终变成这样
<build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
同样也打包成功,只不过主工程的jar大小有点问题,只有4kb
看看官网对这个的解释:https://docs.spring.io/spring-boot/docs/2.4.4/maven-plugin/reference/htmlsingle/#repackage-example-exclude-dependency
这个其实就是把所有依赖的jar包都打进来。
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