powershell

Function NavigateTo([string] $url, [int] $delayTime = 100)

{

  Write-Verbose "Navigating to $url"

  

  $global:ie.Navigate($url)

  

  WaitForPage $delayTime

}



Function WaitForPage([int] $delayTime = 100)

{

  $loaded = $false

  

  while ($loaded -eq $false) {

    [System.Threading.Thread]::Sleep($delayTime) 

    

    #If the browser is not busy, the page is loaded

    if (-not $global:ie.Busy)

    {

      $loaded = $true

    }

  }

  

  $global:doc = $global:ie.Document

}



Function SetElementValueByName($name, $value, [int] $position = 0) {

  if ($global:doc -eq $null) {

    Write-Error "Document is null"

    break

  }

  $elements = @($global:doc.getElementsByName($name))

  if ($elements.Count -ne 0) {

    $elements[$position].Value = $value

  }

  else {

    Write-Warning "Couldn't find any element with name ""$name"""

  }

}



Function ClickElementById($id)

{

  $element = $global:doc.getElementById($id)

  if ($element -ne $null) {

    $element.Click()

    WaitForPage

  }

  else {

    Write-Error "Couldn't find element with id ""$id"""

    break

  }

}



Function ClickElementByName($name, [int] $position = 0)

{

  if ($global:doc -eq $null) {

    Write-Error "Document is null"

    break

  }

  $elements = @($global:doc.getElementsByName($name))

  if ($elements.Count -ne 0) {

    $elements[$position].Click()

    WaitForPage

  }

  else {

    Write-Error "Couldn't find element with name ""$name"" at position ""$position"""

    break

  }

}



#Entry point

$verbosePreference = "Continue"



$global:ie = New-Object -com "InternetExplorer.Application"

$global:ie.Navigate("about:blank")

$global:ie.visible = $true



NavigateTo "[линк]"

SetElementValueByName "q" "powershell variable scope"

ClickElementById "sb_form_go"







 

Function ClickLinkByInnerText($innertext)

 {

 if ($script:doc -eq $null) {

 Write-Error “Document is null”

break

 }

 $link = $script:doc.getElementsByTagName(‘A’) | where-object {$_.innerText -eq $innertext}

 if ($link -ne $null) {

 $link.Click()

 WaitForPage

 }

 else {

 Write-Error “Couldn’t find link with innertext “”$innertext”"”

break

 }

 }