记事本写下它，然后改成bat后缀
@echo off
echo 正在清理系统垃圾文件，请稍等......
del /f /s /q %systemdrive%\*.tmp
del /f /s /q %systemdrive%\*._mp
del /f /s /q %systemdrive%\*.log
del /f /s /q %systemdrive%\*.gid
del /f /s /q %systemdrive%\*.chk
del /f /s /q %systemdrive%\*.old
del /f /s /q %systemdrive%ecycled\*.*
del /f /s /q %windir%\*.bak
del /f /s /q %windir%\prefetch\*.*
rd /s /q %windir%\temp & md %windir%\temp
del /f /q %userprofile%\cookies\*.*
del /f /q %userprofile%ecent\*.*
del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
del /f /s /q "%userprofile%\Local Settings\Temp\*.*"
del /f /s /q "%userprofile%ecent\*.*"
echo 清理系统垃圾完成！
ECHO 文件清理完毕！本程序将在3秒后退出！现在进入倒计时.........
@echo off
echo WScript.Sleep 300 > %temp%.\tmp$$$.vbs
set /a i =3
:Timeout
if %i% == 0 goto Next
setlocal
set /a i = %i% - 1
echo 倒计时……%i%
cscript //nologo %temp%.\tmp$$$.vbs
goto Timeout
goto End
:Next
cls &
echo.
for %%f in (%temp%.\tmp$$$.vbs*) do del %%f
echo.
