来个简单点的代码,楼主可以修改之后再凑合着使用。正如2F所说的那样,破解也非常容易:
@echo off
if not exist count.txt >count.txt echo 1
echo.
echo    本批处理运行三次之后,将自动销毁
echo.
setlocal enabledelayedexpansion
for /f %%i in (count.txt) do (
    echo        现在是第 %%i 次运行
    set count=%%i
    set /a count+=1
    if !count! gtr 3 goto del_self
    >count.txt echo !count!
)
echo.
pause
goto :eof
:del_self
echo.
echo      正在销毁自身...
ping -n 3 127.1>nul
del count.txt %0