maven打包jar
Nov 26, 2016
maven项目如何将编写好的java文件打包成可执行的jar包呢?
使用 maven-jar-plugin 和 maven-jar-plugin 插件
创建maven项目, 可以使用eclipse或idea或mvn命令
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mvn archetype:generate -DgroupId=com.luowen.app -DartifactId=mvn-app -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
项目目录结构, 可以随便写点java文件
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28| +---main
| +---java
| | \---com
| | \---luowen
| | \---app
| | | App.java
| | |
| | +---http
| | | HttpGetDemo.java
| | |
| | +---io
| | | FileReaderDemo.java
| | |
| | \---log4jtest
| | Log4jConfigureDemo.java
| |
| \---resources
| log4j.properties
|
\---test
\---java
\---com
\---luowen
\---app
| AppTest.java
|
\---io
FileReaderDemoTest.javapom.xml配置文件
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95<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/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.luowen.app</groupId>
<artifactId>mvn-app</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>mvn-app</name>
<url>http://maven.apache.org</url>
<properties>
<jdk.version>1.8</jdk.version>
<junit.version>4.12</junit.version>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/log4j/log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<scope>compile</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>${jdk.version}</source>
<target>${jdk.version}</target>
</configuration>
</plugin>
<plugin>
<!-- maven jar plugin 配置部分
主要将编写的java文件编译打包 -->
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>com.luowen.app.App</mainClass>
<!-- 制定依赖包的存放目录, 后期应用打包好的jar包, 该目录下的所有*.jar都需要拷贝使用 -->
<classpathPrefix>dependencies-jars</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<!-- 复制依赖包到制定输入目录 -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<includeScope>runtime</includeScope>
<outputDirectory>${project.build.directory}/dependencies-jars/</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
使用 maven-shade-plugin 一步到位
pom.xml配置文件
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86<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.luowen.app</groupId>
<artifactId>mvn-app</artifactId>
<packaging>jar</packaging>
<version>1.0-SNAPSHOT</version>
<name>mvn-app</name>
<url>http://maven.apache.org</url>
<properties>
<jdk.version>1.8</jdk.version>
<junit.version>4.12</junit.version>
</properties>
<dependencies>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/log4j/log4j -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<scope>compile</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.httpcomponents/httpclient -->
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version>
<scope>compile</scope>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>${jdk.version}</source>
<target>${jdk.version}</target>
</configuration>
</plugin>
<plugin>
<!-- 使用shade包一步到位, 他会将所有依赖的class文件都打包在一起, 推荐使用-->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<transformers>
<transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
<mainClass>com.luowen.app.App</mainClass>
</transformer>
</transformers>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>执行命令打包
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mvn package