再来一个，asp.net Cookie处理类

木头

[C#] 纯文本查看 复制代码

using System;
using System.Web;
using System.Web.Security;

namespace OIFrameWork.Common
{
    public class CookieFunction
    {
        private static CookieFunction _instance;
        public static readonly object CookieFunctionObj = new object();

        public static CookieFunction GetInstance()
        {
            if (_instance != null)
                return _instance;
            lock (CookieFunctionObj)
            {
                return _instance ?? ( _instance = new CookieFunction() );
            }
        }

        public bool InsertCookie(String userCode,String loginName, int outMinutes)
        {
            try
            {
                var ticket = new FormsAuthenticationTicket(1, userCode,
                    DateTime.Now, DateTime.Now.AddMinutes(outMinutes), true, loginName,
                    FormsAuthentication.FormsCookiePath);
                var key = FormsAuthentication.Encrypt(ticket);
                var hkCookie = new HttpCookie(FormsAuthentication.FormsCookieName, key)
                {
                    Domain = FormsAuthentication.CookieDomain
                };
                HttpContext.Current.Response.Cookies.Add(hkCookie);
                return true;
            }
            catch
            {
                return false;
            }
        }

        /// <summary>
        /// 读取Cookies
        /// </summary>
        /// <param name="strName">主键</param>
        /// <returns></returns>
        public string GetCookie(string strName)
        {
            var cookie = HttpContext.Current.Request.Cookies[strName];
            return cookie != null ? cookie.Value : null;
        }

        /// <summary>
        /// 删除Cookies
        /// </summary>
        /// <param name="strName">主键</param>
        /// <returns></returns>
        public bool DelCookie(string strName)
        {
            try
            {
                var cookie = new HttpCookie(strName)
                {
                    Expires = DateTime.Now.AddDays(-1)
                };
                //Cookie.Domain = ".xxx.com";//当要跨域名访问的时候,给cookie指定域名即可,格式为.xxx.com
                HttpContext.Current.Response.Cookies.Add(cookie);
                return true;
            }
            catch
            {
                return false;
            }
        }

        public void QuitCookie()
        {
            FormsAuthentication.SignOut();
        }
    }
}