App_Code/Common/Cookies.cs

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

namespace NT.Common
{
    public class NTCookies
    {
        public string cookiename = "NTCookies";
        public HttpCookie cookie = null;
        private string m_domain;

        /// <summary>
        /// 获取或设置与此 Cookie 与其关联的域
        /// </summary>
        public string Domain
        {
            get { return m_domain; }
            set
            {
                m_domain = value;
                cookie.Domain = m_domain;
            }
        }

        public NTCookies()
        {
            cookie = HttpContext.Current.Request.Cookies[cookiename];
            if (cookie == null)
            {
                cookie = new HttpCookie(cookiename);
            }
        }

        public NTCookies(string cookiename)
        {
            this.cookiename = cookiename;
            cookie = HttpContext.Current.Request.Cookies[cookiename];
            if (cookie == null)
            {
                cookie = new HttpCookie(cookiename);
            }
        }

        /// <summary>
        /// 写入cookies
        /// </summary>
        /// <param name="strKey">键</param>
        /// <param name="strValue">值</param>
        public void WriteCookie(string strKey, string strValue)
        {
            cookie[strKey] = strValue;
        }
        /// <summary>
        /// 写入指定有效时间的cookies
        /// </summary>
        /// <param name="strKey">键</param>
        /// <param name="strValue">值</param>
        /// <param name="expires">有效时间</param>