问个小问题

Question

如何获取客户端的ip

Answer 1

        /// <summary>
        /// 获得当前页面客户端的IP
        /// </summary>
        /// <returns>当前页面客户端的IP</returns>
        public static String GetIP()
        {
            String result = String.Empty;
            result = System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
            if (result == null || result == String.Empty)
                result = System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
            if (result == null || result == String.Empty)
                result = System.Web.HttpContext.Current.Request.UserHostAddress;
            return result;
        }

Answer 2

这里有讲：http://www.pconline.com.cn/pcedu/empolder/net/asp/0705/1015860.html