/// <summary>
        /// 字段
        /// </summary>
        /// <param name="paramName">字段名</param>
        /// <param name="dbType">数据库类型</param>
        /// <param name="allowNull">允许空</param>
        /// <param name="type">类型</param>
        /// <param name="length">长度</param>
        /// <returns></returns>
        public KeyWordTableParamItem Param(string paramName,
                                           DbType dbType, bool allowNull, EntityPropertyType type, int length)
        {
            KeyWordTableParamItem item = new KeyWordTableParamItem(_tableName, this);

            return(item._(paramName, dbType, allowNull, type, length));
        }
        /// <summary>
        /// 字段
        /// </summary>
        /// <param name="paramName">字段名</param>
        /// <param name="dbType">数据库类型</param>
        /// <param name="allowNull">允许空</param>
        /// <param name="type">类型</param>
        /// <param name="length">长度</param>
        /// <returns></returns>
        public KeyWordTableParamItem Param(List <EntityParam> lstParams)
        {
            KeyWordTableParamItem item = new KeyWordTableParamItem(lstParams, null, _tableName, this);

            return(item);
        }