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我正在创建一个应该符合WCAG 2.0的应用程序。 我使用AChecker来检查我的页面，并且我遇到了table的一些问题。我得到以下2个问题：如何使用headers属性使表A11Y兼容？
- 数据表不使用范围，以确定细胞
- 与多行数据表/头的列不使用ID和标题属性，以确定细胞
这里是我的表的源代码：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it" lang="it">
<body>
<table class="ui celled center aligned unstackable table seven column day">
<thead>
<tr>
<th colspan="7">
<span class="link">Giugno 2017</span>
<span class="prev link">
<span class="ifix chevron left icon"></span>
</span>
<span class="next link">
<span class="ifix chevron right icon"></span>
</span>
</th>
</tr>
<tr>
<th>Dom</th>
<th>Lun</th>
<th>Mar</th>
<th>Mer</th>
<th>Gio</th>
<th>Ven</th>
<th>Sab</th>
</tr>
</thead>
<tbody>
<tr>
<td class="link adjacent disabled">28</td>
<td class="link adjacent disabled">29</td>
<td class="link adjacent disabled">30</td>
<td class="link adjacent disabled">31</td>
<td class="link">1</td>
<td class="link">2</td>
<td class="link">3</td>
</tr>
<tr>
<td class="link">4</td>
<td class="link today focus">5</td>
<td class="link">6</td>
<td class="link">7</td>
<td class="link">8</td>
<td class="link">9</td>
<td class="link">10</td>
</tr>
<tr>
<td class="link">11</td>
<td class="link">12</td>
<td class="link">13</td>
<td class="link">14</td>
<td class="link">15</td>
<td class="link">16</td>
<td class="link">17</td>
</tr>
<tr>
<td class="link">18</td>
<td class="link">19</td>
<td class="link">20</td>
<td class="link">21</td>
<td class="link">22</td>
<td class="link">23</td>
<td class="link">24</td>
</tr>
<tr>
<td class="link">25</td>
<td class="link">26</td>
<td class="link">27</td>
<td class="link">28</td>
<td class="link">29</td>
<td class="link">30</td>
<td class="link adjacent disabled">1</td>
</tr>
<tr>
<td class="link adjacent disabled">2</td>
<td class="link adjacent disabled">3</td>
<td class="link adjacent disabled">4</td>
<td class="link adjacent disabled">5</td>
<td class="link adjacent disabled">6</td>
<td class="link adjacent disabled">7</td>
<td class="link adjacent disabled">8</td>
</tr>
</tbody>
</table>
</body>
</html>
链接到相关Plunker。
根据此W3C documentation page你知道在我的情况下使用headers的正确方法吗？
我试图自己做，我编辑了我的代码。结果如下：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="it" lang="it">
<body>
<table class="ui celled center aligned unstackable table seven column day">
<thead>
<tr>
<th id="month" scope="col" colspan="7">
<span class="link">Giugno 2017</span>
<span class="prev link">
<span class="ifix chevron left icon"></span>
</span>
<span class="next link">
<span class="ifix chevron right icon"></span>
</span>
</th>
</tr>
<tr>
<th id="dom" headers="month" scope="col">Dom</th>
<th id="lun" headers="month" scope="col">Lun</th>
<th id="mar" headers="month" scope="col">Mar</th>
<th id="mer" headers="month" scope="col">Mer</th>
<th id="gio" headers="month" scope="col">Gio</th>
<th id="ven" headers="month" scope="col">Ven</th>
<th id="sab" headers="month" scope="col">Sab</th>
</tr>
</thead>
<tbody>
<tr>
<td headers="dom" class="link adjacent disabled">28</td>
<td headers="lun" class="link adjacent disabled">29</td>
<td headers="mar" class="link adjacent disabled">30</td>
<td headers="mer" class="link adjacent disabled">31</td>
<td headers="gio" class="link">1</td>
<td headers="ven" class="link">2</td>
<td headers="sab" class="link">3</td>
</tr>
<tr>
<td headers="dom" class="link">4</td>
<td headers="lun" class="link today focus">5</td>
<td headers="mar" class="link">6</td>
<td headers="mer" class="link">7</td>
<td headers="gio" class="link">8</td>
<td headers="ven" class="link">9</td>
<td headers="sab" class="link">10</td>
</tr>
<tr>
<td headers="dom" class="link">11</td>
<td headers="lun" class="link">12</td>
<td headers="mar" class="link">13</td>
<td headers="mer" class="link">14</td>
<td headers="gio" class="link">15</td>
<td headers="ven" class="link">16</td>
<td headers="sab" class="link">17</td>
</tr>
<tr>
<td headers="dom" class="link">18</td>
<td headers="lun" class="link">19</td>
<td headers="mar" class="link">20</td>
<td headers="mer" class="link">21</td>
<td headers="gio" class="link">22</td>
<td headers="ven" class="link">23</td>
<td headers="sab" class="link">24</td>
</tr>
<tr>
<td headers="dom" class="link">25</td>
<td headers="lun" class="link">26</td>
<td headers="mar" class="link">27</td>
<td headers="mer" class="link">28</td>
<td headers="gio" class="link">29</td>
<td headers="ven" class="link">30</td>
<td headers="sab" class="link adjacent disabled">1</td>
</tr>
<tr>
<td headers="dom" class="link adjacent disabled">2</td>
<td headers="lun" class="link adjacent disabled">3</td>
<td headers="mar" class="link adjacent disabled">4</td>
<td headers="mer" class="link adjacent disabled">5</td>
<td headers="gio" class="link adjacent disabled">6</td>
<td headers="ven" class="link adjacent disabled">7</td>
<td headers="sab" class="link adjacent disabled">8</td>
</tr>
</tbody>
</table>
</body>
</html>
链接到相关的Plunker。
现在AChecker说在页面中有“没有已知的问题”。 无论如何，如果表中有多个th元素，您是否可以确认我的修改是使用id和headers的正确方法？
你是说用'
这可能有帮助（我做了一个CodePen）：https://codepen.io/aardrian/pen/pwvwzG你将不得不用你的分页链接来测试它，但那些超出了你的问题的范围（这就是为什么我没有讨论他们需要成为正确的链接）。 – aardrian
感谢您的支持;） – smartmouse
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