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wmic LogicalDisk where "DeviceID='C:'" get Size /value复制代码
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@echo off set size=3221225472 for /f "tokens=2 delims==" %%a in ('wmic LogicalDisk where "DeviceID='C:'" get Size /value') do ( if "%%a" gtr "%size%" ( echo 大于3GB ) else if "%%a" lss "%size%" ( echo 小于3GB ) else ( echo 等于3GB ) ) pause复制代码