ASP.net的URL重寫

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上載者:User
asp.net

ASP.net的RUL重寫


有關於URL的重寫,本文也只是拿來主意。相繼有MS的組件“URLRewriter”和在Global.asax裡的“Application_BeginRequest()”編碼方式,以及IIS裡的ISAPI設定。

娜列下來,實現方法也都很簡單。

方法一:MS組件

這裡也不用詳解了,相關請看:

http://www.microsoft.com/china/msdn/library/webservices/asp.net/URLRewriting.mspx

用法很簡單,只需要把組件URLRewriter.dll拷到應用程式的bin目錄下,然後在web.config下加入如下代碼:

在<configuration></configuration>中加入:

<configSections>

<section name="RewriterConfig" type="URLRewriter.Config.RewriterConfigSerializerSectionHandler, URLRewriter" />

</configSections>

<RewriterConfig>

<Rules>

<RewriterRule>

<LookFor>~/(\d{4})/(\d{2})/Default\.aspx</LookFor>

<SendTo>~/Default.aspx?ID=$1</SendTo>

</RewriterRule>

</Rules>

</RewriterConfig>

然後在<system.web></system.web>中加入:

<httpHandlers>

<add verb="*" path="*.aspx"

type="URLRewriter.RewriterFactoryHandler, URLRewriter" />

</httpHandlers>

最後在地址欄上鍵入:http://localhost/Test/2004/12/News.aspx

效果出來了。

上面的<LookFor>~/(\d{4})/(\d{2})/News\.aspx</LookFor>這句這RegexURL,即被重寫的URL,而<SendTo>~/Default.aspx?ID=$1</SendTo>這一句為原始URL地址。其中的$1為第一個Regex值(上面例子為:2004),以此類推,第二個即為$2

方法二:Application_BeginRequest()

在應用程式中建立一個XML檔案,檔案內容為:檔案名稱ReWriter.config

<?xml version="1.0" encoding="utf-8" ?>

<ReWriterUrls>

<rule>

<old>(.*)/News/(\d{4})/Default\.aspx</old>

<new>../../Default.aspx?id=$2&type=$3</new>

</rule>

</ReWriterUrls>

在Global.asax檔案中的Application_BeginRequest(Object sender, EventArgs e)加入代碼:

try

{

string path=Server.MapPath("~/ReWriter.config");

XPathDo***ent myXPathDo***ent = new XPathDo***ent(path);

XPathNavigator myXPathNavigator = myXPathDo***ent.CreateNavigator();

XPathNodeIterator myXPathNodeIterator = myXPathNavigator.Select ("//rule");

System.Text.RegularExpressions.Regex oReg;

string ReWriteUrl;

while (myXPathNodeIterator.MoveNext())

{

//oReg=new Regex(oNode.SelectSingleNode("url/text()").Value);

XPathNavigator nav2 = myXPathNodeIterator.Current.Clone();

string oldString="",newString="";

XPathNodeIterator it2 = nav2.Select("old");

while(it2.MoveNext())

{

oldString = it2.Current.Value;

break

}

it2 = nav2.Select("new");

while(it2.MoveNext())

{

newString = it2.Current.Value;

break

}

if(oldString != "" && newString != "")

{

oReg = new System.Text.RegularExpressions.Regex(oldString);

if(oReg.IsMatch(Request.Url.ToString()))

{

ReWriteUrl = oReg.Replace(Request.Url.ToString(),newString);

HttpContext.Current.RewritePath(ReWriteUrl);

break

}

}

}

}

catch

{

}



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