Cookie帮助类

using System;

using System.Collections.Generic;

using System.Text;

using System.Web;

namespace AIMSCommon

{    

/// <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 != null && HttpContext.Current.Request.Cookies[strName] != null)             {                 return HttpContext.Current.Request.Cookies[strName].Value.ToString();             }             return "";         }     } }