70 lines
1.8 KiB
PowerShell
70 lines
1.8 KiB
PowerShell
function DownloadFileInChunks {
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param (
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[string]$url,
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[string]$destinationFile,
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[int]$chunkSizeGB = 1
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)
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# 将 GB 转换为字节
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$chunkSize = $chunkSizeGB * 1024 * 1024 * 1024
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# 获取文件的总大小
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$response = Invoke-WebRequest -Uri $url -Method Head
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$totalSize = [long]$response.Headers["Content-Length"]
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# 计算分段数量
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$chunks = [math]::Ceiling($totalSize / $chunkSize)
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# 下载每一段
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for ($i = 0; $i -lt $chunks; $i++) {
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$start = $i * $chunkSize
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$end = [math]::Min($start + $chunkSize - 1, $totalSize - 1)
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$headers = @{
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"Range" = "bytes=$start-$end"
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}
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$chunkResponse = Invoke-WebRequest -Uri $url -Headers $headers -Method Get
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$chunkData = $chunkResponse.Content
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# 以追加模式写入文件
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[System.IO.File]::WriteAllBytes($destinationFile, $chunkData)
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}
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Write-Host "dowonload ok"
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}
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# 指定文件路径
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$filePath = "D:\CmiiDeployOffline\ZheJiangErJiPingTai\all-gzip-image-list.txt"
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# 指定下载的目标目录
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$destinationFolder = "D:\CmiiDeployOffline\ZheJiangErJiPingTai"
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$oss_prefix_url="https://oss.demo.uavcmlc.com/cmlc-installation/6.1.1/"
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# 创建目标目录（如果不存在）
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#if (-not (Test-Path $destinationFolder)) {
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# New-Item -ItemType Directory -Path $destinationFolder
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#}
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#Write-Host "[DLTU] - 开始下载镜像压缩文件"
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Write-Host ""
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# 读取文件并下载每一行的 URL
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Get-Content $filePath | ForEach-Object {
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$url = $_
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Write-Host "start to download $oss_prefix_url$url"
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$fileName = Join-Path $destinationFolder $url
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Write-Host $fileName
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DownloadFileInChunks -url $oss_prefix_url$url -destinationFile $fileName -chunkSizeGB 0.1
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# Invoke-WebRequest -Uri $oss_prefix_url$url -OutFile $fileName
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Write-Host ""
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}
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