下面是一个小demo：让table居中显示
1.HTML代码
<body>
<div class="c1">
<h3>用戶列表</h3>
<table border="1px">
<tr>
<td>序号</td>
<td>用户名</td>
<td>密码</td>
<td>真实姓名</td>
<td>年龄</td>
</tr>
<tr>
<td>1</td>
<td>xfh11</td>
<td>xfh11</td>
<td>Jeffrey</td>
<td>24</td>
</tr>
<tr>
<td>2</td>
<td>soon</td>
<td>soon</td>
<td>Ive</td>
<td>23</td>
</tr>
</table>
</div>
</body>
2. CSS样式如下设置
<style>
.c1{
width:100%;
display:flex;
flex-direction:column;
justify-content:space-around;
align-items:center;
}
</style>
3. 效果展示
