全局301从域重定向到www.domain

Question

我可以使用Global.asax的开始请求重定向一切,

从mydomain.domain到www.mydomain.domain？

如果这个是真的,我该怎么做？

Answer 1

对Jan的回答进行了一些细微的修改,这对我有用:

protected void Application_BeginRequest(Object sender, EventArgs e)
{
    string currentUrl = HttpContext.Current.Request.Url.ToString().ToLower(); 
    if (currentUrl.StartsWith("http://mydomain"))
    {
        Response.Status = "301 Moved Permanently";
        Response.AddHeader("Location", currentUrl.Replace("http://mydomain", "http://www.mydomain"));
        Response.End();
    }
}

更改是使用BeginRequest事件并将currentUrl设置为HttpContext.Current.Request.Url而不是HttpContext.Current.Request.Path.看到:

http://www.mycsharpcorner.com/Post.aspx?postID=40

Answer 2

protected void Application_PreRequestHandlerExecute(Object sender, EventArgs e)
{
  string currentUrl = HttpContext.Current.Request.Path.ToLower();
  if(currentUrl.StartsWith("http://mydomain"))
  {
    Response.Status = "301 Moved Permanently";
    Response.AddHeader("Location", currentUrl.Replace("http://mydomain", "http://www.mydomain"));
    Response.End();
  }
}