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11.10.2010, 14:43
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#7 |
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Был задан вопрос,как скачать файлы обновления с сайта http://update.optizone.ru/nod32/eset_upd/ ,задача просто решается с помощью PowerShell без посторонних средств.
1)Самый простой вариант воспользуемся классом WebClient и двумя методами DownloadString и DownloadFile Код:
$url = "http://update.optizone.ru/nod32/eset_upd/"
$dest = "C:\Base"
$wc = New-Object System.Net.WebClient
-split $wc.DownloadString($url) | ? {$_ -match '^href="[^/]'} | % {[void]($_ -match '"(.+)"');$wc.DownloadFile("$url/$($matches[1])","$dest\$($matches[1])")}
Код:
$url = "http://update.optizone.ru/nod32/eset_upd/"
$dest = "F:\FTP"
Import-Module bitstransfer
$wc = New-Object System.Net.WebClient
-split $wc.DownloadString($url) | ? {$_ -match '^href="[^/]'} | % {[void]($_ -match '"(.+)"'); Start-BitsTransfer "$url$($matches[1])" -Destination $dest }
Первое событие DownloadFileCompleted и DownloadProgressChanged - Немного переделал скрипт автора - http://achuebrigens.wordpress.com/2009/08/22/digitales-taz-abo-via-powershell/ ,за что ему большое Спасибо. Код:
$url = "http://update.optizone.ru/nod32/eset_upd/"
$dest = "C:\Base"
[switch]$ShowProgress=$true
$wc = New-Object System.Net.WebClient
$files = -split $wc.DownloadString($url) | ? {$_ -match '^href="[^/]'} | % {[void]($_ -match '"(.+)"');$matches[1]}
try
{
if ($ShowProgress -and $files)
{
$files | ForEach-Object {
$ProgressAction = {
write-progress -Activity "$_" -Status "Скачивание" -PercentComplete $Eventargs.ProgressPercentage
}
Get-EventSubscriber | where { $_.EventName -eq "DownloadProgressChanged"} | foreach-object { unregister-event -SubscriptionID $_.SubscriptionID }
Register-Objectevent -EventName "DownloadProgressChanged" -InputObject $wc -Action $ProgressAction | Out-Null
Get-EventSubscriber | where { $_.EventName -eq "DownloadFileCompleted"} | foreach-object { unregister-event -SubscriptionID $_.SubscriptionID }
Register-ObjectEvent -EventName "DownloadFileCompleted" -InputObject $wc -SourceIdentifier "$_" | Out-Null
$wc.DownloadFileAsync("$url$_", "$dest\$_")
wait-event -SourceId "$_" | Out-Null
remove-event -SourceId "$_"
}
}
}
finally
{
if ($wc)
{
$wc.CancelAsync()
}
get-eventsubscriber | where { $_.EventName -eq "DownloadProgressChanged"} | foreach-object { unregister-event -SubscriptionID $_.SubscriptionID -whatif:$false -confirm:$false }
get-eventsubscriber | where { $_.EventName -eq "DownloadFileCompleted"} | foreach-object { unregister-event -SubscriptionID $_.SubscriptionID -whatif:$false -confirm:$false }
}
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27.11.2010, 12:02
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#9 |
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Определить простой операционной системы,на основе последнего события ввода пользователя.Для этого используем функцию GetLastInputInfo.
 Код:
$code = @'
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Idle
{
public static class Timer
{
[DllImport("user32.dll", SetLastError=false)]
private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
[StructLayout(LayoutKind.Sequential)]
private struct LASTINPUTINFO
{
public uint cbSize;
public int dwTime;
}
public static DateTime LastInput
{
get
{
LASTINPUTINFO lii = new LASTINPUTINFO();
lii.cbSize = (uint)Marshal.SizeOf(typeof(LASTINPUTINFO));
GetLastInputInfo(ref lii);
DateTime bootTime = DateTime.Now.AddMilliseconds(-Environment.TickCount);
DateTime lastInput = bootTime.AddMilliseconds(lii.dwTime);
return lastInput;
}
}
public static TimeSpan IdleTime
{
get
{
return DateTime.Now.Subtract(LastInput);
}
}
}
}
'@
Add-Type $code
Function UpdateLabel
{
$label3.Text = [Idle.Timer]::IdleTime
$label4.Text = [Idle.Timer]::LastInput.ToString()
}
[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null
$form1 = New-Object System.Windows.Forms.Form
$label4 = New-Object System.Windows.Forms.Label
$label3 = New-Object System.Windows.Forms.Label
$label2 = New-Object System.Windows.Forms.Label
$label1 = New-Object System.Windows.Forms.Label
$timer = New-Object System.Windows.Forms.Timer
$timer.Interval=1000
$timer.Start()
$timer.add_Tick({Updatelabel})
$form1.Text = "Idle Timer"
$form1.FormBorderStyle = [System.Windows.Forms.FormBorderStyle]::FixedDialog
$form1.ClientSize = New-Object System.Drawing.Size(249,79)
$label4.Size = New-Object System.Drawing.Size(153,23)
$label4.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",8.25,1,3,0)
$label4.Location = New-Object System.Drawing.Point(77,44)
$label4.Text = [Idle.Timer]::LastInput.ToString()
$form1.Controls.Add($label4)
$label3.Size = New-Object System.Drawing.Size(153,23)
$label3.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",8.25,1,3,0)
$label3.Location = New-Object System.Drawing.Point(77,17)
$label3.DataBindings.DefaultDataSourceUpdateMode = 0
$label3.Text = [Idle.Timer]::IdleTime
$form1.Controls.Add($label3)
$label2.Size = New-Object System.Drawing.Size(81,23)
$label2.Text = "Last Input:"
$label2.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",8.25,0,3,0)
$label2.Location = New-Object System.Drawing.Point(13,44)
$form1.Controls.Add($label2)
$label1.Size = New-Object System.Drawing.Size(81,19)
$label1.Text = "Idle Time:"
$label1.Font = New-Object System.Drawing.Font("Microsoft Sans Serif",8.25,0,3,0)
$label1.Location = New-Object System.Drawing.Point(13,17)
$label1.Name = "label1"
$form1.Controls.Add($label1)
$form1.ShowDialog()
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31.08.2011, 02:32
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#10 |
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__________________
http://pix.am/npi8.gif |
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