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powershell网络蜘蛛解决乱码问题_PowerShell_

2023-05-26 379人已围观

简介 powershell网络蜘蛛解决乱码问题_PowerShell_

抓取（爬取）网上信息的脚本程序，俗称网络蜘蛛。
powershell中自带了这样的两个命令，【Invoke-WebRequest】和【Invoke-RestMethod】，但这两个命令有时候会乱码。

现在转帖分享， 某个【歪果仁】写的脚本。来源于 墙外出处： https://gist.github.com/angel-vladov/9482676

核心代码

 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 传教士 转帖并修改的文章 2016-01-01, 允许再次转载，但必须保留名字和出处，否则追究法律责任 }

原文函数

 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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