asp.net实现网站首页根据IP自动跳转指定页面-创新互联

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对于大中型网站,为了增强用户体验,往往需要根据不同城市站点的用户推送或展现相应个性化的内容,如对于一些大型门户网站的新闻会有城市站点的功能,如果没有设置相应的城市站点,默认就是根据用户访问的IP地址的所在城市自动设置。本文主要通过自定义扩展IHttpModule接口,考虑到性能IP数据库主要采用QQwry纯真IP数据库,主要实现根据IP地址或地址段或IP所在城市进行自动跳转到指定页面的功能(支持Nginx作为前端反向代理服务器),该WebsiteSkip组件核心代码如下:

复制代码 代码如下:


using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Xml;
using System.IO;
using System.Net;
using System.Text.RegularExpressions;
using NetOpen_System.Component.QQWry;

namespace NetOpen_System.Component
{
    public sealed class WebsiteSkipHttpModule : IHttpModule
    {
        #region IHttpModule 成员

        public void Dispose()
        {
        }

        public void Init(HttpApplication context)
        {
            context.BeginRequest += new EventHandler(context_BeginRequest);
        }

 
        #endregion

 
        void context_BeginRequest(object sender, EventArgs e)
        {
            try
            {

                //if (HttpContext.Current.Request.IsLocal)//忽略本地计算机请求
                //    return;

                //string ip = HttpContext.Current.Request.UserHostAddress;
                //string ip = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
                string ip = string.Empty;
                if (HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"] != null)
                {
                    ip = HttpContext.Current.Request.ServerVariables["HTTP_X_REAL_IP"].ToString();
                }
                else if (HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"] != null)
                {
                    ip = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
                }
                else if (HttpContext.Current.Request.ServerVariables["HTTP_VIA"] != null)
                {
                    ip = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"].ToString();
                }
                else
                {
                    ip = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"].ToString();
                }

 
                QQWryLocator qqWry = new QQWryLocator(HttpContext.Current.Server.MapPath(@"~\IpData\qqwry.dat"));

                IPLocation ipaddress = qqWry.Query(ip);  //查询一个IP地址

                string ls_city = ipaddress.Country;
                string ls_urlfrom = string.Empty;
                string ls_urlto = string.Empty;
                string ls_url = HttpContext.Current.Request.Url.AbsoluteUri;
                string ls_useragentkeyword = string.Empty;

                ExcludeUserAgentMatchEngine Em = WebsiteSkipConfiguration.GetConfig().ExcludeUserAgents;

                if(Em.ExcludeUserAgentList.Count > 0)
                {
                    foreach (ExcludeUserAgent ua in Em.ExcludeUserAgentList)
                    {
                        if (HttpContext.Current.Request.UserAgent.Contains(ua.keyword))
                        {
                            return;
                        }
                    }
                }

                UrlMatchEngine pu = WebsiteSkipConfiguration.GetConfig().SkipedUrls;

                if (pu.UrlList.Count > 0)
                {
                    foreach (SkipedUrl sk in pu.UrlList)
                    {

                        if (ls_city.Contains(sk.IpCity))
                        {
                            if (sk.UrlFrom.Length > 0)
                            {
                                if (sk.UrlFrom.Contains(ls_url) && !ls_url.Contains(sk.OutKeyWord))
                                {
                                    if (sk.UrlTo.Length > 0)
                                    {
                                        HttpContext.Current.Response.Redirect(sk.UrlTo, true);
                                    }
                                    break;
                                }

                            }

                            break;
                        }
                    }
                }

                if (WebsiteSkipConfiguration.GetConfig().IpChecks.GetIpIn(ip))
                {
                    ls_urlfrom = WebsiteSkipConfiguration.GetConfig().IpChecks.UrlFrom.Trim();
                    ls_urlto = WebsiteSkipConfiguration.GetConfig().IpChecks.UrlTo.Trim();
                    if (ls_urlfrom.Length > 0)
                    {

                        if (ls_urlfrom.Contains(ls_url) && !ls_url.Contains(WebsiteSkipConfiguration.GetConfig().IpChecks.OutKeyWord))
                        {
                            if (ls_urlto.Length > 0)
                            {
                                HttpContext.Current.Response.Redirect(ls_urlto, true);
                            }

                        }

                   
                    }
                }

                
            }
            catch
            {

            }
        }
    }
}


在部署方面,非常简单主要利用IHttpModule接口并在Web.config中的HttpModule节点添加此组件的配置,访问限制或允许参数可以在NetOpen_SystemWebsiteSkip.cfg.xml进行设置,以下为一个简单的配置示例:

复制代码 代码如下:




 
   
   
   
   

   
    
   

   
    
    
    
    
    
    
    
    
    
    
    
   

 

 


感谢各位的阅读,以上就是“asp.net实现网站首页根据IP自动跳转指定页面”的内容了,经过本文的学习后,相信大家对asp.net实现网站首页根据IP自动跳转指定页面这一问题有了更深刻的体会,具体使用情况还需要大家实践验证。这里是创新互联网站建设公司,,小编将为大家推送更多相关知识点的文章,欢迎关注!


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