老项目打jar

1 非maven打包

2 maven打jar

<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-jar-plugin</artifactId>
  <configuration>
    <archive>
      <manifest>
        <addClasspath>true</addClasspath>
        <classpathPrefix>lib/</classpathPrefix>
        <mainClass>XXXXXXXXXXXX</mainClass>
      </manifest>
      <!-- 给清单文件添加键值对(配置文件外置) -->
      <manifestEntries>
        <Class-Path>config/</Class-Path>
      </manifestEntries>
    </archive>
    <excludes>
      <!--以类路径目录为基础-->
      <exclude>*</exclude>
      <exclude>mappings/*</exclude>

    </excludes>
  </configuration>
</plugin>