user
<h4>user 用户表</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>int(11)</td>
<td>NO</td>
<td></td>
<td>自增ID</td>
</tr>
<tr>
<td>name</td>
<td>varchar(20)</td>
<td>NO</td>
<td></td>
<td>用户名</td>
</tr>
<tr>
<td>pwd</td>
<td>varchar(50)</td>
<td>NO</td>
<td></td>
<td>登陆密码</td>
</tr>
<tr>
<td>age</td>
<td>int(11)</td>
<td>NO</td>
<td>0</td>
<td>年龄</td>
</tr>
<tr>
<td>score</td>
<td>float(10,2)</td>
<td>NO</td>
<td>0.00</td>
<td>成绩</td>
</tr>
<tr>
<td>add_time</td>
<td>varchar(20)</td>
<td>NO</td>
<td></td>
<td>注册时间</td>
</tr>
</tbody>
</table>