httpModule控制url跳转

httpModule控制url权限的使用方法代码如下：


using System;
using System.Web;
using System.Data.SqlClient;
using System.Data;
using CNNet.CommonBLL;

/// <summary>
/// BasePage 的摘要说明


/// Create:wangxiaoming
/// Descri:网站权限控制模块

/// </summary>
namespace MyModule
{

    public class DEPHttpModule : System.Web.IHttpModule
    {
        public void Init(HttpApplication application)
        {
            application.AcquireRequestState += (new
            EventHandler(this.Application_AcquireRequestState));
        }
        public DEPHttpModule()
        {

        }
        private void Application_AcquireRequestState(Object source, EventArgs e)
        {
            HttpApplication Application = (HttpApplication)source;
            string url = Application.Context.Request.Path;
            String AppPath = Application.Context.Request.ApplicationPath;
            #region 企业
            if (url.IndexOf("company/pages/") > 0)
            {
                CNNet.CommonBLL.Cookie cookie = new CNNet.CommonBLL.Cookie();
                string userCode = cookie.getCookie("cnnetcompanyname");
                string companycode = cookie.getCookie("cnnetcompanycode");
                if (string.IsNullOrEmpty(userCode) || string.IsNullOrEmpty(companycode))
                {
                    Application.Context.Server.Transfer(AppPath + "/company/Login.aspx");
                }
                else
                {
                    string isExistPage = CNNet.CommonBLL.EnumBind.GetEnumUrlByURL(url, typeof(CNNet.CommonBLL.Dictionary.DEP_Control_Infor));
                    if (isExistPage != "101" && string.IsNullOrEmpty(isExistPage))
                    {
                        Application.Context.Server.Transfer(AppPath + "/company/message/HttpMessage.aspx");
                    }
                    else if (isExistPage == "101")
                    { 
                      
                    }
                    else
                    {
                        if (CNNet.CommonDAL.DbHelperSQL.GetSingle(string.Format(CNNet.CommonBLL.Constants.sql_EP_PowerLinkTo_One, companycode, "UserName='" + userCode + "'", "PowerCode='" + isExistPage + "'")) == null)
                        {
                            Application.Context.Server.Transfer(AppPath + "/company/message/HttpQX.aspx");
                        }
                    }
                }
            }
            #endregion
            #region 分站
            if ((url.ToUpper().IndexOf("CENT") > 0 && url.ToUpper().IndexOf(".ASPX") > 0) || url.ToUpper().IndexOf("Search/pages/sub_index.aspx".ToUpper()) > 0 || url.ToUpper().IndexOf("search/pages/sub_indexDe.aspx".ToUpper()) > 0)
            {
                string Domain = "";
                CNNet.BLL.RejoiceGarden gardenbll = new CNNet.BLL.RejoiceGarden();

                Domain = Application.Context.Request.Url.Authority;
                string secodedomain = String.Empty;
                secodedomain = Domain.Split('.')[0].ToString();

                CNNet.CommonBLL.Cookie cookie = new CNNet.CommonBLL.Cookie();
                string gardencodevalue = "";
                gardencodevalue = CNNet.CommonBLL.ConfigHelper.GetGardenCode();
                cookie.delCookie(gardencodevalue);

                string gardencode = String.Empty;

                try
                {
                    gardencode = gardenbll.GetGardenCodeByDomain(secodedomain);
                }
                catch
                {
                    gardencode = "0";
                }
                if (gardencode == "")
                {
                    gardencode = "0";
                }
                //本地测试用北京园区编码
                if (gardencode == "0")
                    gardencode = "11010001";
                SetCookie(gardencode);
            }
            #endregion
        }
        private void SetCookie(string gardencode)
        {
            //System.Web.HttpCookie cookie = new System.Web.HttpCookie("gxrcgardencode");
            //DateTime dt = DateTime.Now;
            //cookie.Expires = dt.AddMinutes(0);
            //cookie.Value = gardencode;
            //System.Web.HttpContext.Current.Response.AppendCookie(cookie);
            System.Web.HttpContext.Current.Response.Cookies[ConfigHelper.GetGardenCode()].Value = gardencode;
        }
        public void Dispose()
        {

        }

    }
}