sys_class
<h4>sys_class 类型表</h4>
<table>
<thead>
<tr>
<th>字段名称</th>
<th>类型长度</th>
<th>是否NULL</th>
<th>默认值</th>
<th>注释</th>
</tr>
</thead>
<tbody>
<tr>
<td>ID</td>
<td>bigint(11)</td>
<td>NO</td>
<td></td>
<td>ID</td>
</tr>
<tr>
<td>Name</td>
<td>varchar(50)</td>
<td>YES</td>
<td></td>
<td>类型名称</td>
</tr>
<tr>
<td>Code</td>
<td>varchar(50)</td>
<td>YES</td>
<td></td>
<td>代码</td>
</tr>
<tr>
<td>Description</td>
<td>varchar(100)</td>
<td>YES</td>
<td></td>
<td>描述</td>
</tr>
<tr>
<td>ParentId</td>
<td>bigint(20)</td>
<td>YES</td>
<td></td>
<td>父类型ID</td>
</tr>
<tr>
<td>Type</td>
<td>varchar(50)</td>
<td>YES</td>
<td></td>
<td>种类</td>
</tr>
<tr>
<td>Attribute1</td>
<td>varchar(255)</td>
<td>YES</td>
<td></td>
<td>下单限制类型：0.不限制 1.限制金额、2.限制数量、3.金额和数量</td>
</tr>
<tr>
<td>Attribute2</td>
<td>varchar(255)</td>
<td>YES</td>
<td></td>
<td>下单限制金额（如 100000）</td>
</tr>
<tr>
<td>Attribute3</td>
<td>varchar(255)</td>
<td>YES</td>
<td></td>
<td>下单限制数量（如：5）</td>
</tr>
<tr>
<td>Attribute4</td>
<td>varchar(255)</td>
<td>YES</td>
<td></td>
<td>折扣最高使用比例（如：95）</td>
</tr>
<tr>
<td>Attribute5</td>
<td>varchar(255)</td>
<td>YES</td>
<td></td>
<td></td>
</tr>
<tr>
<td>CreateDate</td>
<td>datetime</td>
<td>YES</td>
<td></td>
<td>创建时间</td>
</tr>
<tr>
<td>CreateBy</td>
<td>int(11)</td>
<td>YES</td>
<td></td>
<td>创建人</td>
</tr>
<tr>
<td>Level</td>
<td>int(11)</td>
<td>YES</td>
<td></td>
<td>级数（1，2，3....一级，二级，三级）</td>
</tr>
</tbody>
</table>