App_code/Common/Core/GetRequest.cs

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using System;
using System.Data;
using System.Data.SqlClient;
using SqlOperate;
using System.Web;
using System.Text.RegularExpressions;
namespace Base
{
    /// <summary>
    /// Core 的摘要说明
    /// </summary>
    public class GetRequest
    {
        /// <summary>
        /// 获取客户端IP
        /// </summary>
        /// <returns></returns>
        public static string GetIP()
        {
            // 优先取得代理IP 
            string userHostAddress = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (string.IsNullOrEmpty(userHostAddress))
            {
                //没有代理IP则直接取客户端IP 
                userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            }
            if ((userHostAddress != null) && !(userHostAddress == string.Empty))
            {
                return userHostAddress;
            }
            return "0.0.0.0";
        }


        /// <summary>
        /// 获取请求URL
        /// </summary>
        /// <returns></returns>
        public static string GetUrl()
        {
            return HttpContext.Current.Request.Url.ToString();
        }


        /// <summary>
        /// 取得提交的FORM表单并去掉前后空白
        /// </summary>
        /// <param name="strName">控件ID</param>
        /// <returns></returns>
        public static string GetFormValue(string strName)
        {
            if (HttpContext.Current.Request.Form[strName] == null)
            {
                return "";
            }
            return HttpContext.Current.Request.Form[strName].Trim();
        }


        /// <summary>