我想为所有
DataTables(带滚动插件)列设置静态宽度.
如果我为所有< th>设置宽度,它会使列更宽.除了一个标签.如果为所有标签设置了宽度,它就不起作用.另外,当我通过开发人员工具进行检查时,我没有看到任何< th>宽度为400px的元素.元素有不同的宽度：115px,132px,145px ……
这是为什么？如何设置列的确切宽度？
CSS
.big-col {
width: 400px;
}
JS
var options = {
"sScrollX": "100%","sScrollXInner": "110%","bScrollCollapse": true,"colReorder": true
};
$(document).ready(function() {
$('#example').dataTable(options);
});
完整示例：http://fiddle.jshell.net/sergibondarenko/o1hoabep/8/
另外,我尝试了columnDefs选项,没有成功.
var options = {
"columnDefs": [
{ "width": "100px","targets": "_all" }
]
};
确切的列数未知. HTML表是基于服务器端的数据动态构建的.
解决方法
th.big-col{
width:400px !important;
}
table#example{
table-layout:fixed;
}
对于宽度的！important是必要的,以覆盖由数据表应用的任何内联样式,以及可能由jsfiddle或其他任何应用的其他样式.
表格布局：固定;将使表格渲染器优先考虑第一行中单元格的宽度,以确定每列中所有单元格的宽度.
let options = {
"sScrollX": "100%","colReorder": true
};
$(document).ready(function() {
$('#example').dataTable(options);
});
.big-col {
width: 400px !important;
}
table#example{
table-layout:fixed;
}
<title>Example 1 - apply dataTable()</title>
<head>
<link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables.css">
<link rel="stylesheet" type="text/css" href="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/css/jquery.dataTables_themeroller.css">
<script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.7.1.min.js"></script>
<script type="text/javascript" charset="utf8" src="http://ajax.aspnetcdn.com/ajax/jquery.dataTables/1.9.0/jquery.dataTables.min.js"></script>
</head>
<body>
<div class="container">
<table cellpadding="0" cellspacing="0" border="0" class="dataTable" id="example">
<thead>
<tr>
<th class="big-col">Rendering engine</th>
<th class="big-col">browser</th>
<th class="big-col">Platform(s)</th>
<th class="big-col">Engine version</th>
<th class="big-col">CSS grade</th>
</tr>
</thead>
<tbody>
<tr>
<td>Trident</td>
<td>Internet
Explorer 4.0</td>
<td>Win 95+</td>
<td> 4</td>
<td>X</td>
</tr>
<tr>
<td>Trident</td>
<td>Internet
Explorer 5.0</td>
<td>Win 95+</td>
<td>5</td>
<td>C</td>
</tr>
<tr>
<td>Trident</td>
<td>Internet
Explorer 5.5</td>
<td>Win 95+</td>
<td>5.5</td>
<td>A</td>
</tr>
<tr>
<td>Trident</td>
<td>Internet
Explorer 6</td>
<td>Win 98+</td>
<td>6</td>
<td>A</td>
</tr>
<tr>
<td>Trident</td>
<td>Internet Explorer 7</td>
<td>Win XP SP2+</td>
<td>7</td>
<td>A</td>
</tr>
<tr>
<td>Trident</td>
<td>AOL browser (AOL desktop)</td>
<td>Win XP</td>
<td>6</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Firefox 1.0</td>
<td>Win 98+ / OSX.2+</td>
<td>1.7</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Firefox 1.5</td>
<td>Win 98+ / OSX.2+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Firefox 2.0</td>
<td>Win 98+ / OSX.2+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Firefox 3.0</td>
<td>Win 2k+ / OSX.3+</td>
<td>1.9</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Camino 1.0</td>
<td>OSX.2+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Camino 1.5</td>
<td>OSX.3+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>netscape 7.2</td>
<td>Win 95+ / Mac OS 8.6-9.2</td>
<td>1.7</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>netscape browser 8</td>
<td>Win 98SE+</td>
<td>1.7</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>netscape Navigator 9</td>
<td>Win 98+ / OSX.2+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.0</td>
<td>Win 95+ / OSX.1+</td>
<td>1</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.1</td>
<td>Win 95+ / OSX.1+</td>
<td>1.1</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.2</td>
<td>Win 95+ / OSX.1+</td>
<td>1.2</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.3</td>
<td>Win 95+ / OSX.1+</td>
<td>1.3</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.4</td>
<td>Win 95+ / OSX.1+</td>
<td>1.4</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.5</td>
<td>Win 95+ / OSX.1+</td>
<td>1.5</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.6</td>
<td>Win 95+ / OSX.1+</td>
<td>1.6</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.7</td>
<td>Win 98+ / OSX.1+</td>
<td>1.7</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Mozilla 1.8</td>
<td>Win 98+ / OSX.1+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Seamonkey 1.1</td>
<td>Win 98+ / OSX.2+</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Gecko</td>
<td>Epiphany 2.20</td>
<td>Gnome</td>
<td>1.8</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>Safari 1.2</td>
<td>OSX.3</td>
<td>125.5</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>Safari 1.3</td>
<td>OSX.3</td>
<td>312.8</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>Safari 2.0</td>
<td>OSX.4+</td>
<td>419.3</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>Safari 3.0</td>
<td>OSX.4+</td>
<td>522.1</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>OmniWeb 5.5</td>
<td>OSX.4+</td>
<td>420</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>iPod Touch / iPhone</td>
<td>iPod</td>
<td>420.1</td>
<td>A</td>
</tr>
<tr>
<td>Webkit</td>
<td>S60</td>
<td>S60</td>
<td>413</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 7.0</td>
<td>Win 95+ / OSX.1+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 7.5</td>
<td>Win 95+ / OSX.2+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 8.0</td>
<td>Win 95+ / OSX.2+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 8.5</td>
<td>Win 95+ / OSX.2+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 9.0</td>
<td>Win 95+ / OSX.3+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 9.2</td>
<td>Win 88+ / OSX.3+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera 9.5</td>
<td>Win 88+ / OSX.3+</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Opera for Wii</td>
<td>Wii</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Nokia N800</td>
<td>N800</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Presto</td>
<td>Nintendo DS browser</td>
<td>Nintendo DS</td>
<td>8.5</td>
<td>C/A<sup>1</sup></td>
</tr>
<tr>
<td>KHTML</td>
<td>Konqureror 3.1</td>
<td>KDE 3.1</td>
<td>3.1</td>
<td>C</td>
</tr>
<tr>
<td>KHTML</td>
<td>Konqureror 3.3</td>
<td>KDE 3.3</td>
<td>3.3</td>
<td>A</td>
</tr>
<tr>
<td>KHTML</td>
<td>Konqureror 3.5</td>
<td>KDE 3.5</td>
<td>3.5</td>
<td>A</td>
</tr>
<tr>
<td>Tasman</td>
<td>Internet Explorer 4.5</td>
<td>Mac OS 8-9</td>
<td>-</td>
<td>X</td>
</tr>
<tr>
<td>Tasman</td>
<td>Internet Explorer 5.1</td>
<td>Mac OS 7.6-9</td>
<td>1</td>
<td>C</td>
</tr>
<tr>
<td>Tasman</td>
<td>Internet Explorer 5.2</td>
<td>Mac OS 8-X</td>
<td>1</td>
<td>C</td>
</tr>
<tr>
<td>Misc</td>
<td>NetFront 3.1</td>
<td>Embedded devices</td>
<td>-</td>
<td>C</td>
</tr>
<tr>
<td>Misc</td>
<td>NetFront 3.4</td>
<td>Embedded devices</td>
<td>-</td>
<td>A</td>
</tr>
<tr>
<td>Misc</td>
<td>Dillo 0.8</td>
<td>Embedded devices</td>
<td>-</td>
<td>X</td>
</tr>
<tr>
<td>Misc</td>
<td>Links</td>
<td>Text only</td>
<td>-</td>
<td>X</td>
</tr>
<tr>
<td>Misc</td>
<td>Lynx</td>
<td>Text only</td>
<td>-</td>
<td>X</td>
</tr>
<tr>
<td>Misc</td>
<td>IE Mobile</td>
<td>Windows Mobile 6</td>
<td>-</td>
<td>C</td>
</tr>
<tr>
<td>Misc</td>
<td>PSP browser</td>
<td>PSP</td>
<td>-</td>
<td>C</td>
</tr>
<tr>
<td>Other browsers</td>
<td>All others</td>
<td>-</td>
<td>-</td>
<td>U</td>
</tr>
</tbody>
</table>
</div>
</body>
也可以看看：
https://developer.mozilla.org/en-US/docs/Web/CSS/table-layout
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