问题描述
我没有使用PowerShell的经验,我需要帮助来从FTP服务器下载多个具有相似名称的图像。我在这个论坛上发现了很多东西,而且只下载了一张图片。为此,我必须输入文件名。
我想选择一个日期,然后下载所有带有该日期的图片并将其保存在本地文件夹中。 我还想将下载图像的名称保存在.txt文件中
那我该如何根据日期下载图片?
字符串20201009
是日期,其后的数字是顺序的。
希望您能理解我的意思,因为这是我第一次在论坛上写东西
$UserName = "abc"
$Password = "abc"
$RemoteFileName = "DatenTestKam3_schlecht_20201009_085248_00848.jpg"
$LocalFilePath = "C:\Users\Desktop\PowerShell\$RemoteFileName"
$ServerName = "10.196.195.167/22_test"
$webclient = New-Object System.Net.WebClient
$webclient.Credentials = New-Object System.Net.NetworkCredential($UserName,$Password)
$uri = New-Object System.Uri(“ftp://$ServerName/$RemoteFileName”)
$webclient.DownloadFile($uri,$LocalFilePath)
解决方法
如果我正确理解了您的问题,则要下载名称包含“ 20201009”字符串的所有文件,对吗?
run
如果您使用WinSCP .NET assembly,则更加简单:
$url = "ftp://ftp.example.com/remote/path/"
$credentials = New-Object System.Net.NetworkCredential("username","password")
$request = [System.Net.WebRequest]::Create($url)
$request.Credentials = $credentials
$request.Method = [System.Net.WebRequestMethods+Ftp]::ListDirectory
$response = $request.GetResponse()
$reader = New-Object IO.StreamReader $response.GetResponseStream()
$listing = $reader.ReadToEnd()
$reader.Close()
$response.Close()
$localpath = "C:\Users\Desktop\PowerShell"
$date = "20201009"
$files =
($listing -split "`r`n") |
Where-Object {$_ -like "*$date*"}
$webclient = New-Object System.Net.WebClient
$webclient.Credentials = $credentials
foreach ($file in $files)
{
$localfilepath = (Join-Path $localPath $file)
Write-Host ($file + " => " + $localfilepath)
$webclient.DownloadFile(($url + $file),$localfilepath)
}
(我是WinSCP的作者)