session操作类

using System;
using System.Web;

/// <summary>
///session操作类
/// </summary>
public class appCookie
{

    #region COOKIE 操作相关
    /// <summary>
    /// 写入Cookie
    /// </summary>
    /// <param name="strName"></param>
    /// <param name="strValue"></param>
    public static void WriteCookie(string strName, string strValue)
    {
        WriteCookie(strName, strValue, 30);
    }

    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.Domain = domain;
        cookie.Value = strValue;
        cookie.Expires = DateTime.Now.AddDays((double)expires);
        HttpContext.Current.Response.AppendCookie(cookie);
    }



    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;
        }
        return "";
    }


    #endregion

}