/// <summary>
        /// 判断图书是否可借
        /// </summary>
        /// <param name="bookState"></param>
        /// <returns></returns>
        public bool judgeBookState(bool bookState)
        {
            BorrowBookDAl dal = new BorrowBookDAl();

            return(dal.judgeBookState(bookState));
        }
        /// <summary>
        /// 判断改变图书状态是否成功
        /// </summary>
        /// <param name="bookID"></param>
        /// <returns></returns>
        public bool changeBookState(string bookID)
        {
            BorrowBookDAl dal = new BorrowBookDAl();

            return(dal.changeBookState(bookID));
        }
        /// <summary>
        /// 判断向借阅表中插入记录是否成功
        /// </summary>
        /// <param name="stuID"></param>
        /// <param name="bookID"></param>
        /// <returns></returns>
        public bool borrowBook(string stuID, string bookID)
        {
            BorrowBookDAl dal = new BorrowBookDAl();

            return(dal.borrowBook(stuID, bookID));
        }