@echo off&setlocal enabledelayedexpansion ::不适用于智能镜像,仅适用于完全镜像,感谢双心版主提供帮助 set dd=C: ::设置要回收的盘符如C: for /f "tokens=1 delims= " %%i in ('wmic logicaldisk where "caption='%dd%'" get freespace') do ( set /a n+=1 if !n!==2 (set size=%%i) else echo >nul ) fsutil file createnew %dd%\test.zip %size% del /f /q %dd%\test.zip exit