public string BuildGuestID()
{
string guestID;
if (PageCacheUtil.TryGetValue <string>("GuestID_BX", out guestID) == false)
{
HttpCookie cookie = CookieUtil.Get("bbxmax_guest");
if (cookie != null)
{
guestID = cookie.Value;
}
else
{
guestID = string.Empty;
}
//必须是32位长度(GUID)
if (guestID == null || guestID.Length != 32)
{
guestID = Guid.NewGuid().ToString("N");
CookieUtil.Set("bbxmax_guest", guestID, DateTime.MaxValue);
}
PageCacheUtil.Set("GuestID_BX", guestID);
}
if (guestID == string.Empty)
{
return(null);
}
return(guestID);
}
