MyHttpModule

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Web; using System.Text.RegularExpressions; using System.Xml; namespace MyHttpModule { public class HttpModule : System.Web.IHttpModule { /// 实现接口的Dispose方法 /// </summary> public void Dispose() { } /// <summary> /// 实现接口的Init方法 /// </summary> /// <param name="context"></param> public void Init(HttpApplication context) { context.BeginRequest += new EventHandler(ReUrl_BeginRequest); } /// <summary> /// 重写Url /// </summary> /// <param name="sender">事件的源</param> /// <param name="e">包含事件数据的 EventArgs</param> private void ReUrl_BeginRequest(object sender, EventArgs e) { HttpContext context = ((HttpApplication)sender).Context; string requestPath = context.Request.Path; //当使用伪aspx if (requestPath.IndexOf(".html") > 0) { foreach (SiteUrls.URLRewrite url in SiteUrls.GetSiteUrls().Urls) { // requestPath = requestPath.Substring(context.Request.Path.LastIndexOf('/')); if (Regex.IsMatch(requestPath, url.Pattern)) { string queryString = requestPath; string newQueryString = Regex.Replace(requestPath, url.Pattern, url.QueryString); string para = newQueryString.Substring(newQueryString.LastIndexOf('=') + 1); string para2 = HttpUtility.UrlEncode(para); if (!string.IsNullOrEmpty(para)) { newQueryString = newQueryString.Replace(para, para2); } context.RewritePath(url.Page, string.Empty, newQueryString); return; } } } string absoluteUri = HttpContext.Current.Request.Url.AbsoluteUri; } } ////////////////////////////////////////////////////////////////////// /// <summary> /// 站点伪Url信息类 /// </summary> public class SiteUrls { #region 内部属性和方法 private static object lockHelper = new object(); private static volatile SiteUrls instance = null; string SiteUrlsFile = HttpContext.Current.Server.MapPath("~/config/urls.config"); private System.Collections.ArrayList _Urls; public System.Collections.ArrayList Urls { get { return _Urls; } set { _Urls = value; } } private System.Collections.Specialized.NameValueCollection _Paths; public System.Collections.Specialized.NameValueCollection Paths { get { return _Paths; } set { _Paths = value; } } private SiteUrls() { Urls = new System.Collections.ArrayList(); Paths = new System.Collections.Specialized.NameValueCollection(); XmlDocument xml = new XmlDocument(); xml.Load(SiteUrlsFile); XmlNode root = xml.SelectSingleNode("urls"); foreach (XmlNode n in root.ChildNodes) { if (n.NodeType != XmlNodeType.Comment && n.Name.ToLower() == "rewrite") { XmlAttribute name = n.Attributes["name"]; XmlAttribute path = n.Attributes["path"]; XmlAttribute page = n.Attributes["page"]; XmlAttribute querystring = n.Attributes["querystring"]; XmlAttribute pattern = n.Attributes["pattern"]; if (name != null && path != null && page != null && querystring != null && pattern != null) { Paths.Add(name.Value, path.Value); Urls.Add(new URLRewrite(name.Value, pattern.Value, page.Value.Replace("^", "&"), querystring.Value.Replace("^", "&"))); } } } } #endregion public static SiteUrls GetSiteUrls() { if (instance == null) { lock (lockHelper) { if (instance == null) { instance = new SiteUrls(); } } } return instance; } public static void SetInstance(SiteUrls anInstance) { if (anInstance != null) instance = anInstance; } public static void SetInstance() { SetInstance(new SiteUrls()); } /// <summary> /// 重写伪地址 /// </summary> public class URLRewrite { #region 成员变量 private string _Name; public string Name { get { return _Name; } set { _Name = value; } } private string _Pattern; public string Pattern { get { return _Pattern; } set { _Pattern = value; } } private string _Page; public string Page { get { return _Page; } set { _Page = value; } } private string _QueryString; public string QueryString { get { return _QueryString; } set { _QueryString = value; } } #endregion #region 构造函数 public URLRewrite(string name, string pattern, string page, string querystring) { _Name = name; _Pattern = pattern; _Page = page; _QueryString = querystring; } #endregion } } }

config/urls.config

<?xml version="1.0" encoding="utf-8"?> <urls>   <rewrite name="Default" path="/{0}.aspx" pattern = "/default.html" page="/Default.aspx" querystring="" />  <rewrite name="Culture" path="/{0}.aspx" pattern = "/Culture-t(/w+)(-(/d+))?.html" page="/Culture.aspx" querystring="type=$1^page=$3" />  <rewrite name="CultureDetail" path="/cul-{0}.aspx" pattern = "/cul-(/d+).html" page="/CultureDetail.aspx" querystring="id=$1" />  <rewrite name="News" path="/{0}.aspx" pattern = "/news-t(/w+)(-(/d+))?.html" page="/News.aspx" querystring="type=$1^page=$3" />  <rewrite name="NewsDetail" path="/NewsDetail-{0}.aspx" pattern = "/newsdetail-(/d+).html" page="/NewsDetail.aspx" querystring="id=$1" />  <rewrite name="Products" path="/products-{0}.aspx" pattern = "/products(-(/d+))?.html" page="/Product.aspx" querystring="page=$2" />  <rewrite name="Product" path="/pro-{0}.aspx" pattern = "/pro-(/d+).html" page="/ProductDetail.aspx" querystring="id=$1" />  <rewrite name="ProductName" path="/proName-{0}-{1}.aspx" pattern = "/proName-(/w+)(-(/d+))?.html" page="/Product.aspx" querystring="proName=$1^page=$3" />  <rewrite name="ProductCode" path="/proCode-{0}-{1}.aspx" pattern = "/proCode-(/w+)(-(/d+))?.html" page="/product.aspx" querystring="proCode=$1^page=$3" />  <rewrite name="ProductType" path="/product-t-{0}-{1}-{2}.aspx" pattern = "/product-t-(/d+)-(/w+)(-(/d+))?.html" page="/Product.aspx" querystring="type=$1^ulid=$2^page=$4" /> </urls>

web.config

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MyHttpModule

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