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## 定义要检查的路径
$Path = "D:\"

## 获取D盘根目录下的一级子文件夹
$Folders = Get-ChildItem -Path $Path -Directory

## 循环遍历每个文件夹并计算大小
$FolderSizes = @()
foreach ($Folder in $Folders) {
    Write-Host "正在计算文件夹: $($Folder.FullName)"
    
    ## 获取文件夹下的所有文件（递归）
    $Items = Get-ChildItem -Path $Folder.FullName -Recurse -ErrorAction SilentlyContinue | Where-Object { -not $_.PSIsContainer }

    ## 计算文件总大小 (以字节为单位)
    $SizeInBytes = ($Items | Measure-Object -Property Length -Sum).Sum

    ## 转换为其他单位 (例如MB, GB)
    $SizeInGB = $SizeInBytes / 1GB

    ## 将结果添加到数组中
    $FolderSizes += [PSCustomObject]@{
        Name = $Folder.Name
        FullName = $Folder.FullName
        Size_Bytes = $SizeInBytes
        Size_GB = [Math]::Round($SizeInGB, 2)
    }
}

## 按大小降序排序并输出结果
$FolderSizes | Sort-Object -Property Size_GB -Descending | Format-Table -AutoSize