// ***********************************************************************
// Assembly         : Infrastructure
// Author           : Administrator
// Created          : 09-22-2015
//
// ***********************************************************************
// <copyright file="CookieHelper.cs" company="">
//     Copyright (c) . All rights reserved.
// </copyright>
// <summary>Cookie辅助</summary>
// ***********************************************************************

using System;
using System.Web;

namespace Infrastructure.Helper
{
    /// <summary>
    /// Cookie帮助类
    /// </summary>
    public class CookieHelper
    {
        /// <summary>
        /// 写cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <param name="strValue">值</param>
        public static void WriteCookie(string strName, string strValue)
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
            if (cookie == null)
            {
                cookie = new HttpCookie(strName);
            }
            cookie.Value = strValue;
            HttpContext.Current.Response.AppendCookie(cookie);

        }
        /// <summary>
        /// 写cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <param name="strValue">值</param>
        /// <param name="strValue">过期时间(分钟)</param>
        public static void WriteCookie(string strName, string strValue, int expires)
        {
            HttpCookie cookie = HttpContext.Current.Request.Cookies[strName];
            if (cookie == null)
            {
                cookie = new HttpCookie(strName);
            }
            cookie.Value = strValue;
            cookie.Expires = DateTime.Now.AddMinutes(expires);
            HttpContext.Current.Response.AppendCookie(cookie);

        }

        /// <summary>
        /// 读cookie值
        /// </summary>
        /// <param name="strName">名称</param>
        /// <returns>cookie值</returns>
        public static string GetCookie(string strName)
        {
            if (HttpContext.Current.Request.Cookies[strName] != null)
            {
                return HttpContext.Current.Request.Cookies[strName].Value.ToString();
            }
            return "";
        }
    }
}