CmsCommon/CMSRequest.cs

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using System;
using System.Text;
using System.Web;
using System.Text.RegularExpressions;

namespace Cms.Common
{
   public class CMSRequest
    {
        /// <summary>
        /// 判断当前页面是否接收到了Post请求
        /// </summary>
        /// <returns>是否接收到了Post请求</returns>
        public static bool IsPost()
        {
            return HttpContext.Current.Request.HttpMethod.Equals("POST");
        }

        /// <summary>
        /// 判断当前页面是否接收到了Get请求
        /// </summary>
        /// <returns>是否接收到了Get请求</returns>
        public static bool IsGet()
        {
            return HttpContext.Current.Request.HttpMethod.Equals("GET");
        }

        /// <summary>
        /// 返回指定的服务器变量信息
        /// </summary>
        /// <param name="strName">服务器变量名</param>
        /// <returns>服务器变量信息</returns>
        public static string GetServerString(string strName)
        {
            if (HttpContext.Current.Request.ServerVariables[strName] == null)
                return "";

            return HttpContext.Current.Request.ServerVariables[strName].ToString();
        }

        /// <summary>
        /// 返回上一个页面的地址
        /// </summary>
        /// <returns>上一个页面的地址</returns>
        public static string GetUrlReferrer()
        {
            string retVal = null;

            try
            {
                retVal = HttpContext.Current.Request.UrlReferrer.ToString();
            }
            catch { }

            if (retVal == null)
                return "";

            return retVal;
        }