/// <summary> /// 保存一个Cookie /// </summary> /// <param name="CookieName">Cookie名称</param> /// <param name="CookieValue">Cookie值</param> /// <param name="CookieTime">Cookie过期时间(小时),0为关闭页面失效</param> public static void SaveCookie(string CookieName, string CookieValue, double CookieTime) { HttpCookie myCookie = new HttpCookie(CookieName); DateTime now = DateTime.Now; myCookie.Value = DEncrypt.Encrypt(HttpUtility.HtmlEncode(CookieValue), "chinacloudtech"); if (CookieTime != 0) { //有两种方法,第一方法设置Cookie时间的话,关闭浏览器不会自动清除Cookie //第二方法不设置Cookie时间的话,关闭浏览器会自动清除Cookie ,但是有效期 //多久还未得到证实。 myCookie.Expires = now.AddMinutes(CookieTime); if (HttpContext.Current.Response.Cookies[CookieName] != null) { HttpContext.Current.Response.Cookies.Remove(CookieName); } HttpContext.Current.Response.Cookies.Add(myCookie); } else { if (HttpContext.Current.Response.Cookies[CookieName] != null) { HttpContext.Current.Response.Cookies.Remove(CookieName); } HttpContext.Current.Response.Cookies.Add(myCookie); } }
/// <summary> /// 取得CookieValue /// </summary> /// <param name="CookieName">Cookie名称</param> /// <returns>Cookie的值</returns> public static string GetCookie(string CookieName) { HttpCookie myCookie = new HttpCookie(CookieName); myCookie = HttpContext.Current.Request.Cookies[CookieName]; if (myCookie != null) { string cookievalue = DEncrypt.Decrypt(myCookie.Value, "chinacloudtech"); return(HttpUtility.HtmlDecode(cookievalue)); } else { return(null); } }