引入jquery.js和jq.resizableColumns.js
<table width="100%" class="table listext" data-resizable-columns-id="demo-table">
<thead>
<tr>
<th rowspan="1">序号</th>
<th colspan="2">测试</th>
<th colspan="2">测试2</th>
</tr>
<tr>
<th width="6%">序</th>
<th width="21%">标题</th>
<th width="41%">内容</th>
<th width="32%">说明</th>
<th width="32%" data-noresize>说明</th>
</tr>
</thead>
<tbody>
...
</tbody>
</table>
th设置data-noresize禁止拖动
初始化
$("table").resizableColumns({});
