//返回URL字典
public static SiteUrls GetUrls()
{
SiteUrls _cache = CacheHelper.Get<SiteUrls>(DTKeys.CACHE_SITE_HTTP_MODULE);
lock (lockHelper)
{
if (_cache == null)
{
CacheHelper.Insert(DTKeys.CACHE_SITE_HTTP_MODULE, new SiteUrls(), Utils.GetXmlMapPath(DTKeys.FILE_URL_XML_CONFING));
instance = CacheHelper.Get<SiteUrls>(DTKeys.CACHE_SITE_HTTP_MODULE);
}
}
return instance;
}
/// <summary>
/// 页面请求事件处理
/// </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;
Model.siteconfig siteConfig = new BLL.siteconfig().loadConfig(); //获得站点配置信息
string requestPath = context.Request.Path.ToLower(); //获得当前页面(含目录)
//如果虚拟目录(不含安装目录)与站点根目录名相同则不需要重写
if (IsDirExist(DTKeys.CACHE_SITE_DIRECTORY, siteConfig.webpath, siteConfig.webpath, requestPath))
{
return;
}
string requestDomain = context.Request.Url.Authority.ToLower(); //获得当前域名(含端口号)
string sitePath = GetSitePath(siteConfig.webpath, requestPath, requestDomain); //获取当前站点目录
string requestPage = CutStringPath(siteConfig.webpath, sitePath, requestPath); //截取除安装、站点目录部分
//检查网站重写状态0表示不开启重写、1开启重写、2生成静态
if (siteConfig.staticstatus == 0)
{
#region 站点不开启重写处理方法===========================
//遍历URL字典，匹配URL页面部分
foreach (Model.url_rewrite model in SiteUrls.GetUrls().Urls)
{
//查找到与页面部分匹配的节点
if (model.page == requestPath.Substring(requestPath.LastIndexOf("/") + 1))
{
//如果该页面属于插件页则映射到插件目录，否则映射到站点目录
if (model.type == DTKeys.DIRECTORY_REWRITE_PLUGIN)
{
context.RewritePath(string.Format("{0}{1}/{2}{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, DTKeys.DIRECTORY_REWRITE_PLUGIN, requestPage));
return;
}
else
{
context.RewritePath(string.Format("{0}{1}/{2}{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, sitePath, requestPage));
return;
}
}
}
#endregion
}
else
{
#region 站点开启重写或静态处理方法=======================
//遍历URL字典
foreach (Model.url_rewrite model in SiteUrls.GetUrls().Urls)
{
//如果没有重写表达式则不需要重写
if (model.url_rewrite_items.Count == 0 &&
Utils.GetUrlExtension(model.page, siteConfig.staticextension) == requestPath.Substring(requestPath.LastIndexOf("/") + 1))
{
//如果该页面属于插件页则映射到插件目录，否则映射到站点目录
if (model.type == DTKeys.DIRECTORY_REWRITE_PLUGIN)
{
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, DTKeys.DIRECTORY_REWRITE_PLUGIN, model.page));
return;
}
else
{
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, sitePath, model.page));
return;
}
}
//遍历URL字典的子节点
foreach (Model.url_rewrite_item item in model.url_rewrite_items)
{
string newPattern = Utils.GetUrlExtension(item.pattern, siteConfig.staticextension); //替换扩展名
//如果与URL节点匹配则重写
if (Regex.IsMatch(requestPage, string.Format("^/{0}$", newPattern), RegexOptions.None | RegexOptions.IgnoreCase) ||
(model.page == "index.aspx" && Regex.IsMatch(requestPage, string.Format("^/{0}$", item.pattern), RegexOptions.None | RegexOptions.IgnoreCase)))
{
//如果开启生成静态、且是频道页或首页,则映射重写到HTML目录
if (siteConfig.staticstatus == 2 && (model.channel.Length > 0 || model.page.ToLower() == "index.aspx")) //频道页
{
context.RewritePath(siteConfig.webpath + DTKeys.DIRECTORY_REWRITE_HTML + "/" + sitePath +
Utils.GetUrlExtension(requestPage, siteConfig.staticextension, true));
return;
}
else if (model.type == DTKeys.DIRECTORY_REWRITE_PLUGIN) //插件页
{
string queryString = Regex.Replace(requestPage, string.Format("/{0}", newPattern), item.querystring, RegexOptions.None | RegexOptions.IgnoreCase);
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, DTKeys.DIRECTORY_REWRITE_PLUGIN, model.page), string.Empty, queryString);
return;
}
else //其它
{
string queryString = Regex.Replace(requestPage, string.Format("/{0}", newPattern), item.querystring, RegexOptions.None | RegexOptions.IgnoreCase);
context.RewritePath(string.Format("{0}{1}/{2}/{3}",
siteConfig.webpath, DTKeys.DIRECTORY_REWRITE_ASPX, sitePath, model.page), string.Empty, queryString);
return;
}
}
}
}
#endregion
}
}