went

rd /s /q %temp%
mkdir %temp%

went

@echo off
REM 要删除的文件夹
set "folder=C:\temp"
REM 删除文件夹
for /d %%i in ("%folder%\*") do rmdir /s /q "%%i"
REM 删除文件
for /r "%folder%" %%i in ("*") do del /f /s /q "%%i"
pause&exit
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