@Override
        public int onVerifyUserCallBack(String lpUserName, String lpPassword, String extra)
        {  
                System.out.println("正在调用回调方法：OnVerifyUserCallBack..."+lpUserName+" "+lpPassword);
                Boolean login = tedao.VerifyUser(lpUserName, lpPassword);
                if(login){
                        return 0;
                }
                System.out.println("error");
                return -1;
        }