cd classes

打包之前先删除mac 下 恼人的 .DS_Store  
find . -name '.DS_Store'|xargs rm 


显示目录结构

dugang:classes dugang$ tree
.
├── application.properties
└── dyyx
    └── dto
        └── Pet.class

2 directories, 2 files


dugang:classes dugang$ find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'
.
|____application.properties
|____dyyx
| |____dto
| | |____Pet.class


jar cvf ../my.jar  *

cd ..

查看 jar包 

jar tvf my.jar 


dugang:tmp dugang$ jar tvf my.jar 
     0 Thu Jun 06 08:29:40 CST 2019 META-INF/
    69 Thu Jun 06 08:29:40 CST 2019 META-INF/MANIFEST.MF
    48 Tue Aug 07 16:52:24 CST 2018 application.properties
     0 Thu Jun 06 08:29:36 CST 2019 dyyx/
     0 Thu Jun 06 08:11:36 CST 2019 dyyx/dto/
   891 Fri May 17 16:13:50 CST 2019 dyyx/dto/Pet.class