HotelCommon/CheckUtils.cs

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using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Text.RegularExpressions;
using System.Web.SessionState;


namespace HotelCommon
{
    public class CheckUtils
    {

        #region "获取用户IP地址"

        /// <summary>
        /// 获取用户IP地址
        /// </summary>
        /// <returns></returns>
        public static string GetIPAddress()
        {

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

        #endregion


        #region 检测用户提交页面
        /// <summary>
        /// 检测用户提交页面
        /// </summary>
        /// <param name="rq"></param>
        public static void Check_Post_Url(HttpContext rq)
        {
            string WebHost = "";
            if (rq.Request.ServerVariables["SERVER_NAME"] != null)
            {
                WebHost = rq.Request.ServerVariables["SERVER_NAME"].ToString();
            }

            string From_Url = "";
            if (rq.Request.UrlReferrer != null)
            {