files/zh-cn/web/css/column-span/index.html


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---
title: column-span
slug: Web/CSS/column-span
translation_of: Web/CSS/column-span
---
<div>{{ CSSRef("CSS Multi-columns") }}</div>

<h2 id="Summary" name="Summary">概述</h2>

<p><a href="/en-US/docs/CSS" title="/en-US/docs/CSS">CSS</a> 属性<code>column-span</code> 的值被设置为<code>all</code>时，可以让一个元素跨越所有的列。一个跨越多列的元素被称为<strong>spanning element。</strong></p>

<p>{{cssinfo}}</p>

<h2 id="Syntax" name="Syntax">语法</h2>

<pre class="twopartsyntaxbox"><a href="/en-US/docs/CSS/Value_definition_syntax" title="CSS/Value_definition_syntax">Formal syntax</a>: {{csssyntax("column-span")}}
</pre>

<pre>column-span: none;
column-span: all;

column-span: inherit;
</pre>

<h3 id="取值">取值</h3>

<dl>
 <dt><code>none</code></dt>
 <dd>元素不跨多个列。</dd>
 <dt><code>all</code></dt>
 <dd>元素横跨所有列。元素出现之前，出现在元素之前的正常流中的内容在所有列之间自动平衡。该元素建立一个新的块格式上下文。</dd>
</dl>

<h2 id="Examples" name="Examples">例子</h2>

<p>下例中的 h2 元素横跨 article 元素中的各列</p>

<p> </p>

<h3 id="HTML">HTML</h3>

<pre>&lt;article&gt;
  &lt;h2&gt;My Very Special Columns&lt;/h2&gt;
  &lt;p&gt;This is a bunch of text split into three columns
     using the CSS `columns` property. The text
     is equally distributed over the columns.&lt;/p&gt;
&lt;/article&gt;
</pre>

<h3 id="CSS">CSS</h3>

<pre>article {
  columns: 3;
}

h2 {
  column-span: all;
}
</pre>

<h3 id="Result">Result</h3>

<p>{{EmbedLiveSample('Example', 'auto', 120)}}</p>

<p> </p>

<h2 id="Specifications" name="Specifications">规范</h2>

<table class="standard-table">
 <thead>
  <tr>
   <th scope="col">Specification</th>
   <th scope="col">Status</th>
   <th scope="col">Comment</th>
  </tr>
 </thead>
 <tbody>
  <tr>
   <td>{{ SpecName('CSS3 Multicol', '#column-span0', 'column-width') }}</td>
   <td>{{ Spec2('CSS3 Multicol') }}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="Browser_compatibility" name="Browser_compatibility">浏览器兼容性</h2>

{{Compat("css.properties.column-span")}}