/// <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);
}
}