public bool Add()
        {
            bool     result = false;
            DBaction db     = new DBaction();

            if (this.isExisted())
            {
                result = false;
            }
            else
            {
                result = (db.AddUser(this.opCode, this.opName, this.pwd, this.email, this.dept) > 0)?true:false;
            }
            db.Close();
            return(result);
        }