我有数百个HTML文件,我需要在全局css中重新设置表标题的样式。有些有头,有些没有。所以我可以设置标题的样式,但对于没有标题的表,我会设置第一个 tr 的样式。嗯,当然,这也将样式应用于具有 thead 的第一行表,导致这些表具有两行标题样式。我尝试为那些没有头的人正确设置层次结构
tbody:first-child tr:first-child td
但是,我不能分别设置这两种类型的表格的样式。任何想法都会非常有帮助。不幸的是,不能使用JavaScript。
<div class="tablenoborder">
<table cellpadding="4" cellspacing="0" summary="" class="table" frame="border" border="1" rules="all">
<tbody class="tbody">
<tr class="row">
<td class="entry" valign="top">
<strong class="ph b">Option</strong>
</td>
<td class="entry" valign="top">
<strong class="ph b">Description</strong>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder">
<table cellpadding="4" cellspacing="0" summary="" class="table" frame="border" border="1" rules="all">
<thead class="thead" align="left">
<tr class="row">
<th class="entry" valign="top" id="d29429e118">UI Elements</th>
<th class="entry" valign="top" id="d29429e121">Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr class="row">
<td class="entry" valign="top" headers="d29429e118 ">Language</td>
<td></td>
</tr>
</tbody>
</table>
</div>
试试这个选择器:
.table > :first-child > tr:first-child > * {
/* ... */
}
:first-child
将匹配thead
或tbody
,然后从那里选择tr
元素的直接子元素,这些元素th
(在thead
内)或td
(tbody
内部)。
查看下面的演示。
.table > :first-child > tr:first-child > * {
background: #EEE;
}
.tablenoborder {margin-bottom: 10px;}
<div class="tablenoborder">
<table cellpadding="4" cellspacing="0" summary="" class="table" frame="border" border="1" rules="all">
<tbody class="tbody">
<tr class="row">
<td class="entry" valign="top">
<strong class="ph b">Option</strong>
</td>
<td class="entry" valign="top">
<strong class="ph b">Description</strong>
</td>
</tr>
<tr class="row">
<td class="entry" valign="top">
<strong class="ph b">Option</strong>
</td>
<td class="entry" valign="top">
<strong class="ph b">Description</strong>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tablenoborder">
<table cellpadding="4" cellspacing="0" summary="" class="table" frame="border" border="1" rules="all">
<thead class="thead" align="left">
<tr class="row">
<th class="entry" valign="top" id="d29429e118">UI Elements</th>
<th class="entry" valign="top" id="d29429e121">Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr class="row">
<td class="entry" valign="top" headers="d29429e118 ">Language</td>
<td></td>
</tr>
</tbody>
</table>
</div>