Conris.Utility/Pages.Request.cs

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using System;
using System.Web;
using System.Web.UI;

namespace Conris.Utility.Pages
{
    /// <summary>
    /// Request操作类
    /// </summary>
    public class Request
    {
        /// <summary>
        /// 获得当前完整Url地址
        /// </summary>
        /// <returns>当前完整Url地址</returns>
        public static string GetUrl()
        {
            return Url.Encode.EncodeUrl(HttpContext.Current.Request.Url.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 Url.Encode.EncodeUrl(retVal);
        }

        /// <summary>
        /// 得到当前完整主机头
        /// </summary>
        /// <returns></returns>
        public static string GetCurrentFullHost()
        {
            HttpRequest request = System.Web.HttpContext.Current.Request;
            if (!request.Url.IsDefaultPort)
            {
                return string.Format("{0}:{1}", request.Url.Host, request.Url.Port.ToString());
            }
            return request.Url.Host;
        }

        /// <summary>
        /// 得到主机头
        /// </summary>
        /// <returns></returns>
        public static string GetHost()
        {