查看文件大小命令

Get-ChildItem | ForEach-Object {
    $size = $_.Length
    if ($size -gt 1GB) { $sizeStr = "{0:N2} GB" -f ($size / 1GB) }
    elseif ($size -gt 1MB) { $sizeStr = "{0:N2} MB" -f ($size / 1MB) }
    elseif ($size -gt 1KB) { $sizeStr = "{0:N2} KB" -f ($size / 1KB) }
    else { $sizeStr = "$size Bytes" }
    [PSCustomObject]@{
        Name = $_.Name
        Size = $sizeStr
        LastWriteTime = $_.LastWriteTime
    }
}