pom.xml中添加插件即可
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<useUniqueVersions>false</useUniqueVersions>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>cn.mymaven.test.TestMain</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
推荐博客
IDEA中MAVEN项目打JAR包的简单方法 - 贾树丙 - 博客园
IDEA打包jar-解决错误: 找不到或无法加载主类 main_问题很多的小明-优快云博客_jar包找不到或无法加载主类