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powershell網(wǎng)絡(luò)蜘蛛解決亂碼問題

 更新時(shí)間：2017年10月01日 20:07:17   作者：傳教士  
這篇文章主要介紹了powershell網(wǎng)絡(luò)蜘蛛解決亂碼問題,需要的朋友可以參考下

抓?。ㄅ廊。┚W(wǎng)上信息的腳本程序，俗稱網(wǎng)絡(luò)蜘蛛。
powershell中自帶了這樣的兩個(gè)命令，【Invoke-WebRequest】和【Invoke-RestMethod】，但這兩個(gè)命令有時(shí)候會亂碼。

現(xiàn)在轉(zhuǎn)帖分享， 某個(gè)【歪果仁】寫的腳本。來源于 墻外出處： https://gist.github.com/angel-vladov/9482676

核心代碼

function Read-HtmlPage {
param ([Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)][String] $Uri)

# Invoke-WebRequest and Invoke-RestMethod can't work properly with UTF-8 Response so we need to do things this way.
[Net.HttpWebRequest]$WebRequest = [Net.WebRequest]::Create($Uri)
[Net.HttpWebResponse]$WebResponse = $WebRequest.GetResponse()
$Reader = New-Object IO.StreamReader($WebResponse.GetResponseStream())
$Response = $Reader.ReadToEnd()
$Reader.Close()

# Create the document class
[mshtml.HTMLDocumentClass] $Doc = New-Object -com "HTMLFILE"
$Doc.IHTMLDocument2_write($Response)

# Returns a HTMLDocumentClass instance just like Invoke-WebRequest ParsedHtml
$Doc

#powershell 傳教士 轉(zhuǎn)帖并修改的文章 2016-01-01, 允許再次轉(zhuǎn)載，但必須保留名字和出處，否則追究法律責(zé)任

}

原文函數(shù)

function Read-HtmlPage {
  param ([Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)][String] $Uri)

  # Invoke-WebRequest and Invoke-RestMethod can't work properly with UTF-8 Response so we need to do things this way.
  [Net.HttpWebRequest]$WebRequest = [Net.WebRequest]::Create($Uri)
  [Net.HttpWebResponse]$WebResponse = $WebRequest.GetResponse()
  $Reader = New-Object IO.StreamReader($WebResponse.GetResponseStream())
  $Response = $Reader.ReadToEnd()
  $Reader.Close()

  # Create the document class
  [mshtml.HTMLDocumentClass] $Doc = New-Object -com "HTMLFILE"
  $Doc.IHTMLDocument2_write($Response)
  
  # Returns a HTMLDocumentClass instance just like Invoke-WebRequest ParsedHtml
  $Doc
}

PowerShell function you can use for reading UTF8 encoded HTML pages content. The built in Invoke-WebRequest and Invoke-RestMethod fail miserably.

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