url重写(form www.sysoft.cc)

protected void Application_BeginRequest(Object sender, EventArgs e)
        {
            string url = Request.AppRelativeCurrentExecutionFilePath;//"~/play_15.aspx"
            Match match = Regex.Match(url, @"~/Play_(\d+).aspx");
            if (match.Success)
            {
                int id = Convert.ToInt32(match.Groups[1].Value);
                Context.RewritePath("play.aspx?id=" + id);
            }
        }