C#關於偽靜態頁面的兩種實現方法

本文轉載自查看原文 2013-01-27 13:04 3266 C#

第一種是在頁面global.asax中，相關代碼如下：

View Code

     void Application_BeginRequest( object sender, EventArgs e)
    {
        HttpContext context = ((HttpApplication)sender).Context;

         string oldurl = context.Request.Path.ToLower();

         if ( ( oldurl.IndexOf( " - ") > 0 && oldurl.IndexOf( " . ") == - 1) || (oldurl.IndexOf( " - ") > 0 && oldurl.IndexOf( " aspx ") > 0) )
        {
             string[] url = oldurl.Substring(oldurl.LastIndexOf( " / ") + 1).Replace( " .aspx ", "").Split( ' - ');

             string path = oldurl.Substring( 0, oldurl.LastIndexOf( " / ") + 1);

             // file
             string file = url[ 0];
            file = file.Replace( " about ", " detail ");
            file = file.Replace( " news ", " list ");
            file = file.Replace( " down ", " detail ");
            file = file.Replace( " case ", " album ");
            file = file.Replace( " contact ", " detail ");

             // query
             string query = "";

             for ( int i= 1;i<url.Length;i++ )
            {
                 if (url[i] != "")
                {
                     switch (i)
                    {
                         case 1:
                            query += " id= " + url[i];
                             break;

                         case 2:
                            query += " &page= " + url[i];
                             break;

                         case 3:
                            query += " &key= " + url[i];
                             break;

                         case 4:
                            query += " &v1= " + url[i];
                             break;

                         case 5:
                            query += " &v2= " + url[i];
                             break;

                         case 6:
                            query += " &v3= " + url[i];
                             break;

                         case 7:
                            query += " &v4= " + url[i];
                             break;

                         case 8:
                            query += " &v5= " + url[i];
                             break;

                         case 9:
                            query += " &v6= " + url[i];
                             break;

                         case 10:
                            query += " &v7= " + url[i];
                             break;
                   }
                }
            }

             // newurl
             string newurl = path + file + " .aspx? " + query;

             if( context.Request.ServerVariables[ " QUERY_STRING "] != null && context.Request.ServerVariables[ " QUERY_STRING "] != "" )
                newurl += " & " + context.Request.ServerVariables[ " QUERY_STRING "];

             // Response.Write(newurl);
            context.RewritePath(newurl);
        }

第二種方法是在HttpModule.cs中，代碼如下：

View Code

public class HttpModule : IHttpModule
    {
         private const RegexOptions regexOptions = RegexOptions.IgnoreCase | RegexOptions.Compiled;
         private static readonly Regex regexFileName = new Regex( @" .*?/([^./]*)\.aspx(.*) ", regexOptions);
         private static readonly Regex regexRewritePath = new Regex( @" ^.*?/(\w*)(-?(\w+)-([\w,\|,%]+))+\.aspx ", regexOptions);

         public void Dispose()
        {
        }

         public void Init(HttpApplication httpApplication)
        {
            httpApplication.BeginRequest += ReUrl_BeginRequest;
        }

         private static void ReUrl_BeginRequest( object sender, EventArgs e)
        {
            Globals.Catch(
                () =>
                {

                     var context = ((HttpApplication)sender).Context;
                     var request = context.Request;
                     var url = request.Url;
                     if (!VerifyUrl(url))
                    {
                         string input = url.PathAndQuery.ToLower();
                         // Loger.Debug("PathAndQuery-->" + input);
                         // Loger.Debug("AbsolutePath-->" + url.AbsolutePath);
                         // Loger.Debug("AbsoluteUri-->" + url.AbsoluteUri);
                         // Loger.Debug("DnsSafeHost-->" + url.DnsSafeHost);
                         // Loger.Debug("LocalPath-->" + url.LocalPath);
                         // Loger.Debug("AppDomain.CurrentDomain.BaseDirectory-->" + AppDomain.CurrentDomain.BaseDirectory);
                         // Loger.Debug("Globals.GlobalsVirtualFilePath-->" + Globals.GlobalsVirtualFilePath);
                         if (input.StartsWith(Globals.GlobalsVirtualFilePath))
                            input = input.Remove( 0, Globals.GlobalsVirtualFilePath.Length);
                         string viewmode = Globals.ViewMode;
                         var themeName = request.QueryString[ " theme "] ?? "";
                         if ( string.IsNullOrEmpty(themeName))
                        {
                            themeName = Globals.ThemeName;
                        }
                         if (input == " / ")
                            input = " /index.aspx ";
                         if (viewmode == " Rewrite ")
                        {

                            Loger.Debug( " now input--> " + input);
                            Match match = regexRewritePath.Match(input);
                             if (match.Success && match.Groups.Count == 5)
                            {
                                 var captures3 = match.Groups[ 3].Captures;
                                 var captures4 = match.Groups[ 4].Captures;
                                 var itemCount = match.Groups[ 3].Captures.Count;
                                 var list = new List< string>();
                                 for ( var i = 0; i < itemCount; i++)
                                {
                                    list.Add( string.Concat(captures3[i].Value, " = ", captures4[i].Value));
                                }
                                context.RewritePath(Globals.AspxFileUrl(themeName, match.Groups[ 1].Value + " .aspx? " + string.Join( " & ", list.ToArray())));
                                 return;
                            }
                        }
                         var fileName = regexFileName.Match(request.Path.ToLower()).Groups[ 1].ToString();
                         if ( string.IsNullOrEmpty(fileName))
                             return;
                         new ConvertTheme(context)
                        {
                            ThemeName = themeName,
                            ViewMode = viewmode
                        }.Display(fileName);
                    }

                });
        }
         private static bool VerifyUrl(Uri uri)
        {
             var url = uri.AbsolutePath.ToLower();
             if (url.StartsWith(Globals.GlobalsVirtualFilePath))
                url = url.Remove( 0, Globals.GlobalsVirtualFilePath.Length);
             return uri.IsFile
           || url.IndexOf( " site ") != - 1
           || url.IndexOf( " sys ") != - 1
           || url.IndexOf( " html ") != - 1
           || url.IndexOf( " user ") != - 1
           || url.IndexOf( " bbs ") != - 1
           || url.IndexOf( " _module.aspx ") != - 1
           || url.IndexOf( " webresource.axd ") != - 1
           || url.IndexOf( " scriptresource.axd ") != - 1;
        }

    }

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