kill-class.bat强制删除C:\Users\wangzemin\Desktop\路径下.class文件
del C:\Users\wangzemin\Desktop\*.class /f /s /q
kill.bat删除C:\Users\wangzemin\Desktop\下空文件夹
dir C:\Users\wangzemin\Desktop\ /ad /b /s |sort /r >>C:\Users\wangzemin\Desktop\kill.txt
For /f %%i in (C:\Users\wangzemin\Desktop\kill.txt) Do rd %%i
echo y |del C:\Users\wangzemin\Desktop\kill.txt
