--- 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><'column-width'></code></dt> <dd><span class="tlid-translation translation" lang="zh-CN"><span title="">理想的列宽,定义为</span></span> {{cssxref("<length>")}} <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><'column-count'></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("<integer>")}} <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> {{csssyntax}} <h2 id="例子">例子</h2> <h3 id="HTML">HTML</h3> <pre class="brush: html"><p class="content-box"> This is a bunch of text split into three columns using the CSS `columns` property. The text is equally distributed over the columns. </p> </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>