#made by kukisama$a=(get-wmiobject -class Win32_PhysicalMemory-namespace "rootcimv2").Capacity$b=(get-wmiobject -class Win32_PerfFormattedData_PerfOS_Memory-namespace "rootcimv2").AvailableMBytes$c=$a/1024/1024$d=$c-$bclsecho 您当前总内存$c 可用内存$b 已用内存$d