/// <summary>
        /// 查询全部数据
        /// </summary>
        /// <returns>查询结果</returns>
        public IList <Employee> SelectAll()
        {
            string SQL       = SQLBuilder.BuildSelectAllSQL(TableName);
            var    employees = Connection.QuerySql <Employee>(SQL);

            return(employees);
        }
        /// <summary>
        /// 查询全部数据
        /// </summary>
        /// <returns>查询结果</returns>
        public IList <VisitRecord> SelectAll()
        {
            string SQL     = SQLBuilder.BuildSelectAllSQL(TableName);
            var    records = Connection.QuerySql <VisitRecord>(SQL, new { is_deleted = false });

            return(records);
        }
        /// <summary>
        /// 查询全部未删除的数据
        /// </summary>
        /// <returns>查询结果</returns>
        public IList <Order> SelectAll()
        {
            string SQL    = SQLBuilder.BuildSelectAllSQL(TableName);
            var    orders = Connection.QuerySql <Order>(SQL);

            return(orders);
        }