使用URL重写创建类似路径的动态子域 [英] Create dynamic subdomain like path using URL Rewriting

问题描述

我的网站中有网址，并且使用查询字符串值例如：



http://foo.com/xyzPage.aspx?barvalue= yehaa

to

http://yehaa.foo.com/



请建议怎么样没有在服务器上实际创建子域名就完成了..



我在服务器机器上安装了IIS 7.5并使用Asp.net 4.0。

I've URLs in my website and which are using query string values For example:

http://foo.com/xyzPage.aspx?barvalue=yehaa
to
http://yehaa.foo.com/

Please suggest how it can be accomplished without actually creating subdomains on server ..

I've IIS 7.5 installed on server machine and using Asp.net 4.0.

推荐答案

protected void Application_BeginRequest(Object sender, EventArgs e)
{   
    var SubDomain = GetSubDomain(HttpContext.Current.Request.Host);
    // this is a simple example, you can place your variables base on subdomain
    if(!String.IsNullOrEmpty(SubDomain))
       RewritePath(HttpContext.Current.Request.Path + SubDomain + "/", false);  
}

// from : http://madskristensen.net/post/Retrieve-the-subdomain-from-a-URL-in-C.aspx
private static string GetSubDomain(Uri url)
{
  string host = url.Host;
  if (host.Split('.').Length > 1)
  {
    int index = host.IndexOf(".");
    return host.Substring(0, index);
  }

  return null;
}

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