files/zh-cn/web/css/columns/index.html


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---
title: columns
slug: Web/CSS/columns
translation_of: Web/CSS/columns
---
<div>{{CSSRef}}</div>

<p>CSS属性 <strong><code>columns</code></strong> 用来设置元素的列宽和列数。</p>

<div>{{EmbedInteractiveExample("pages/css/columns.html")}}</div>


<p>它是一个<a href="/en-US/docs/Web/CSS/Shorthand_properties">简写属性</a>，可在单个方便的声明中设置 {{cssxref('column-width')}} 和 {{cssxref("column-count")}} 属性。与所有简写属性一样，任何省略的子值都将设置为其<a href="/en-US/docs/Web/CSS/initial_value">初始值</a>。</p>

<h2 id="语法">语法</h2>

<pre class="brush:css no-line-numbers">/* Column width */
columns: 18em;

/* Column count */
columns: auto;
columns: 2;

/* Both column width and count */
columns: 2 auto;
columns: auto 12em;
columns: auto auto;

/* Global values */
columns: inherit;
columns: initial;
columns: unset;</pre>

<p><code>columns</code> 属性可以按任何顺序指定为下面列出的一个或两个值。</p>

<h3 id="取值">取值</h3>

<dl>
 <dt><code>&lt;'column-width'&gt;</code></dt>
 <dd><span class="tlid-translation translation" lang="zh-CN"><span title="">理想的列宽，定义为</span></span> {{cssxref("&lt;length&gt;")}} <span class="tlid-translation translation" lang="zh-CN"><span title="">或</span></span> <code>auto</code> <span class="tlid-translation translation" lang="zh-CN"><span title="">关键字。实际宽度可以更宽或更窄以适合可用空间。</span></span>See {{cssxref("column-width")}}<span class="tlid-translation translation" lang="zh-CN"><span title="">。</span></span></dd>
 <dt><code>&lt;'column-count'&gt;</code></dt>
 <dd><span class="tlid-translation translation" lang="zh-CN"><span title="">元素内容应分成的理想列数，定义为 </span></span>{{cssxref("&lt;integer&gt;")}} <span class="tlid-translation translation" lang="zh-CN"><span title="">或</span></span> <code>auto</code><span class="tlid-translation translation" lang="zh-CN"><span title=""> 关键字。如果此值和列的宽度都不是</span></span> <code>auto</code> <span class="tlid-translation translation" lang="zh-CN"><span title="">，则它仅指示允许的最大列数。请参阅 </span></span>{{cssxref("column-count")}}<span class="tlid-translation translation" lang="zh-CN"><span title=""> 。</span></span></dd>
</dl>

<h3 id="正式语法">正式语法</h3>

<pre class="syntaxbox">{{csssyntax}}</pre>

<h2 id="例子">例子</h2>

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

<pre class="brush: html">&lt;p class="content-box"&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;
</pre>

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

<pre class="brush: css;">.content-box {
  columns: 3 auto;
}</pre>

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

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

<h2 id="规范">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', '#columns', 'columns')}}</td>
   <td>{{Spec2('CSS3 Multicol')}}</td>
   <td>Initial definition.</td>
  </tr>
 </tbody>
</table>

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

<h2 id="浏览器兼容性">浏览器兼容性</h2>


<p>{{Compat("css.properties.columns")}}</p>