ASP.NET中实现访问链接的静态地址映射

ASP.NET中实现访问链接的静态地址映射2011-10-14
protected void Application_BeginRequest（Object sender, EventArgs e） {

        string strCurrentPath;
        strCurrentPath = Request.Path;
        //make sure that it ends with aspx.  This is some quick validation on the path.
        //This will shortcut processing for images and other files （WebResource.axd, for example）.
        if（System.IO.Path.GetExtension（strCurrentPath）.EndsWith（
            "aspx", true, System.Globalization.CultureInfo.InvariantCulture）） {
            string strCustomPath;
            string qString = Request.QueryString.ToString（）;
            if（qString ！= string.Empty）
                qString = "&" + qString;
            strCurrentPath = strCurrentPath.ToLowerInvariant（）;
            string appRoot = GetAppRoot（strCurrentPath）;
            //string pageName = "";
            // the URL contains this folder name
            //Response.Write（strCurrentPath）;
            if（strCurrentPath.IndexOf（"catalog/", StringComparison.InvariantCultureIgnoreCase） > -1） {

                appRoot = appRoot.Replace（"catalog/", ""）;
                strCustomPath = appRoot + "catalog.aspx？guid=" + System.IO.Path.GetFileNameWithoutExtension（strCurrentPath） + qString;

                // rewrite the URL
                Context.RewritePath（strCustomPath, false）;
            }
            else if（strCurrentPath.IndexOf（"product/", StringComparison.InvariantCultureIgnoreCase） > -1） {
                appRoot = appRoot.Replace（"product/", ""）;

                strCustomPath = appRoot + "product.aspx？guid=" + System.IO.Path.GetFileNameWithoutExtension（strCurrentPath）;
                // rewrite the URL

                Context.RewritePath（strCustomPath, false）;
            }
        }
    }