asp.net的MVC：如何将非WWW重定向到www，反之亦然 [英] asp.net mvc: How to redirect a non www to www and vice versa

问题描述

我想所有的WWW流量重定向到非www交通

I would like to redirect all www traffic to non-www traffic

我已经复制到我的web.config这

i have copied this into my web.config

<system.webServer> / <rewrite> / <rules> 

<rule name="Remove WWW prefix" > 
<match url="(.*)" ignoreCase="true" /> 
<conditions> 
<add input="{HTTP_HOST}" pattern="^www\.domain\.com" /> 
</conditions> 
<action type="Redirect" url="http://domain.com/{R:1}" 
    redirectType="Permanent" /> 
</rule> 

根据该职位

<一个href=\"http://stackoverflow.com/questions/521804/how-to-redirect-with-www-urls-to-without-www-urls-or-vice-versa/521811#521811\">http://stackoverflow.com/questions/521804/how-to-redirect-with-www-urls-to-without-www-urls-or-vice-versa/521811#521811

但我得到了500内部服务器错误。

but I got a 500 internal server error.

推荐答案

您可以考虑不同的方法：

You might consider a different approach:

protected void Application_BeginRequest (object sender, EventArgs e)
{
   if (!Request.Url.Host.StartsWith ("www") && !Request.Url.IsLoopback)
   {
      UriBuilder builder = new UriBuilder (Request.Url);
      builder.Host = "www." + Request.Url.Host;
      Response.Redirect (builder.ToString (), true);
   }
}

然而，这将做302重定向所以小调整建议：

This will however do a 302 redirect so a little tweak is recommended:

protected void Application_BeginRequest (object sender, EventArgs e)
{
   if (!Request.Url.Host.StartsWith ("www") && !Request.Url.IsLoopback)
   {
      UriBuilder builder = new UriBuilder (Request.Url);
      builder.Host = "www." + Request.Url.Host;
      Response.StatusCode = 301;
      Response.AddHeader ("Location", builder.ToString ());
      Response.End ();
   }
}

这人会返回301永久移动。

This one will return 301 Moved Permanently.

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