技术文章 > ASP.net的RUL重写

ASP.net的RUL重写

2019-09-19 09:08

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有关于URL的重写,本文也只是拿来主意。相继有MS的组件“URLRewriter”和在Global.asax里的“Application_BeginRequest()”编码方式,以及IIS里的ISAPI设置。
娜列下来,实现方法也都很简单。
方法一:MS组件
这里也不用详解了,相关请看:
http://www.microsoft.com/china/msdn/library/webservices/asp.net/URLRewriting.mspx
用法很简单,只需要把组件URLRewriter.dll拷到应用程序的bin目录下,然后在web.config下加入如下代码:
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>
然后在<system.web></system.web>中加入:
<httpHandlers>
<add verb=“*“ path=“*.aspx“
type=“URLRewriter.RewriterFactoryHandler, URLRewriter“ />
</httpHandlers>
最后在地址栏上键入:http://localhost/Test/2004/12/News.aspx
效果出来了。
上面的<LookFor>~/(\d{4})/(\d{2})/News\.aspx</LookFor>这句这正则表达式URL,即被重写的URL,而<SendTo>~/Default.aspx?ID=$1</SendTo>这一句为原始URL地址。其中的$1为第一个正则表达式值(上面例子为:2004),以此类推,第二个即为$2
方法二:Application_BeginRequest()
在应用程序中新建一个XML文件,文件内容为:文件名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文件中的Application_BeginRequest(Object sender, EventArgs e)加入代码:
try
{
string path=Server.MapPath(“~/ReWriter.config“);
XPathDocument myXPathDocument = new XPathDocument(path);
XPathNavigator myXPathNavigator = myXPathDocument.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
{
}
最后在地址栏上键入:http://localhost/Test/News/2004/Default.aspx
效果出来了。