1、解压
jar -xvf test.jar
2、重新压缩
jar -cvf0m test.jar ./META-INF/MANIFEST.MF .
3、在不解压的情况下,更新jar包某个文件
jar -uvf test.jar BOOT-INF/classes/application.yml
jar -xvf test.jar
jar -cvf0m test.jar ./META-INF/MANIFEST.MF .
jar -uvf test.jar BOOT-INF/classes/application.yml