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开源框架Pear Admin，LayUI版本2.7.0.rc-5。
layui的table组件-基础参数-cellMinWidth可以设置最小宽度，表头参数可以设置width，以上可以适用大部分表格展示。
如今遇到一个需求，需要表格内容自适应，由单元格撑开宽度，找了api没有发现实现参数。
度娘未果，以下代码是自己实现的，如有问题请指正。
注意：字段较少时，请不要这样使用，直接设置宽度，不然表格内容会塌陷。
逻辑简单粗暴，关键参数（不是layui指定的参数，但是可以识别，layui指定设置数字和百分比）
cellMinWidth: 'auto'
然后根据表格内容宽度设置表头宽度（layui数据和表头是两个‘table’）。
1. html页面
<table id="topic-table" lay-filter="topic-table"></table>
2. js代码
// 字段内容省略 var cols = [{}]; // 表格渲染 table.render({ elem: '#topic-table', url:
ctx + 'topic/table', loading: true, height: 'full-65', page: true, cols: cols,
skin: 'row,line', even: true, cellMinWidth: 'auto', toolbar: '#topic-toolbar',
defaultToolbar: [{ title: '刷新', layEvent: 'refresh', icon: 'layui-icon-refresh'
}], done: function (res, curr, count) { var $data =
$('div[lay-id="topic-table"]').find('.layui-table-body').find('tr').eq(0).find('td');
var $head =
$('div[lay-id="topic-table"]').find('.layui-table-header').find('tr').eq(0).find('th');
for (var i = 0; i < $data.length; i++) { var l1 =
$data.eq(i).find('div').width(); var l2 = $head.eq(i).find('div').width(); if
(l1 > l2) { $head.eq(i).find('div').width(l1); } else {
$data.eq(i).find('div').width(l2); } } } });
3. 实现效果
