伪URL Context.Server.Execute 出错

gzw13999 2009-04-24 10:56:33

UrlRewriter.cs



   public class UrlRewriter : IHttpHandler //实现“IHttpHandler”接口

        {

            /// <summary>

            /// 构造函数

            /// </summary>

            public UrlRewriter()

            {



            }

            /// <summary>

            /// 解析URL

            /// </summary>

            /// <param name="Context"></param>

            public void ProcessRequest(HttpContext Context)

            {

                //取得原始URL屏蔽掉参数

                string Url = Context.Request.RawUrl;



                System.Xml.XmlDocument Dom = new System.Xml.XmlDocument();

                Dom.Load(HttpContext.Current.Server.MapPath(System.Configuration.ConfigurationSettings.AppSettings["urlRewriter"]));//从web.config读取设置文件URLRewriterSettings.xml的路径

                System.Xml.XmlNodeList ItemList = Dom.SelectSingleNode(@"//URLRewriters").ChildNodes;

                foreach (System.Xml.XmlNode Node in ItemList)

                {

                    //if(!Node.HasChildNodes) continue;

                    string Ph = Node.Attributes.GetNamedItem(@"Path").InnerText.ToString();

                    string Rh = Node.Attributes.GetNamedItem(@"RealPath").InnerText.ToString();

                    if (Ph.StartsWith(@"~")) Ph = HttpContext.Current.Request.ApplicationPath + Ph.Substring(1);

                    if (Rh.StartsWith(@"~")) Rh = HttpContext.Current.Request.ApplicationPath + Rh.Substring(1);

                    //建立正则表达式

                    System.Text.RegularExpressions.Regex Reg = new System.Text.RegularExpressions.Regex(Ph, System.Text.RegularExpressions.RegexOptions.IgnoreCase);

                    System.Text.RegularExpressions.Match m = Reg.Match(Url);//匹配

                    if (m.Success)//成功

                    {

                        for (int i = 1; i <= m.Groups.Count; i++)

                        {

                            Rh = Rh.Replace("$" + i.ToString(), m.Groups[i].Value);

                        }



                        Context.Server.Execute(Rh);   //就是这里报错  为Text.aspx执行子请求时出错。

                        Context.Response.End();

                        break;

                    }



                }



                    Context.Server.Execute(Context.Request.Url.PathAndQuery);



            }

            /// <summary>

            /// 实现“IHttpHandler”接口所必须的成员

            /// </summary>

            /// <value></value>

            public bool IsReusable

            {

                get { return false; }

            }





        }

URLRewriterSettings.xml





<?xml version="1.0" encoding="utf-8" ?>

<!--如有多个匹配，则优先级向下递减-->

<!--http://localhost:6679/httphandleUrlRewrite/22.html-->

<!--http://localhost:6679/httphandleUrlRewrite/a/b/c.html-->

<!--如有多个匹配，则优先级向下递减-->

<URLRewriters>

  <URLRewriters Path=".index.aspx" RealPath="Text.aspx" /> //这里应该没问题. 都试过来了

  <!--  <URLRewriters Path=".+?/(\d+).html" RealPath="~/aspx/show.aspx?id=$1" />

  <URLRewriters Path="~/([^/]*)/([^/]*)/([^/]*).html" RealPath="~/aspx/show.aspx?par1=$1&par2=$2&par3=$3"/>-->

</URLRewriters>

Web.Config



 <add key="urlRewriter" value="~/App_Data/URLRewriterSettings.xml"/>

    <httpHandlers>



      <add verb="*" path="?*.aspx" type="FyCms.Common.UrlRewriter" />

      <!--加载重写类，并利用通配符粗略指定规则-->

    </httpHandlers>

Context.Server.Execute(Rh); //就是这里报错为Text.aspx执行子请求时出错。

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