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diff --git a/files/zh-cn/web/css/grid-auto-columns/index.html b/files/zh-cn/web/css/grid-auto-columns/index.html new file mode 100644 index 0000000000..b858046b8e --- /dev/null +++ b/files/zh-cn/web/css/grid-auto-columns/index.html @@ -0,0 +1,206 @@ +--- +title: grid-auto-columns +slug: Web/CSS/grid-auto-columns +tags: + - CSS + - grid +translation_of: Web/CSS/grid-auto-columns +--- +<p>CSS 属性 <strong><code>grid-auto-columns</code></strong> 指定了隐式创建的网格纵向轨道（{{glossary("grid tracks", "track")}}）的宽度。</p> + +<div>{{EmbedInteractiveExample("pages/css/grid-auto-columns.html")}}</div> + + + +<p>如果一个表格项目被定位在没有使用 {{cssxref("grid-template-columns")}} 显式指定尺寸的列中，隐式的 {{glossary("grid", "grid")}} 轨道就会被创建出来支撑它。显式地定位到超出范围的列中，或者通过自动布局算法创建额外的列，就会发生上诉情况。</p> + +<h2 id="语法">语法</h2> + +<pre class="brush: css no-line-numbers">/* 以下是不同类型的属性值示例 */ +/* Keyword values */ +grid-auto-columns: min-content; +grid-auto-columns: max-content; +grid-auto-columns: auto; + +/* <length> values */ +grid-auto-columns: 100px; +grid-auto-columns: 20cm; +grid-auto-columns: 50vmax; + +/* <percentage> values */ +grid-auto-columns: 10%; +grid-auto-columns: 33.3%; + +/* <flex> values */ +grid-auto-columns: 0.5fr; +grid-auto-columns: 3fr; + +/* minmax() values */ +grid-auto-columns: minmax(100px, auto); +grid-auto-columns: minmax(max-content, 2fr); +grid-auto-columns: minmax(20%, 80vmax); + +/* fit-content() values */ +grid-auto-columns: fit-content(400px); +grid-auto-columns: fit-content(5cm); +grid-auto-columns: fit-content(20%); + +/* multiple track-size values */ +grid-auto-columns: min-content max-content auto; +grid-auto-columns: 100px 150px 390px; +grid-auto-columns: 10% 33.3%; +grid-auto-columns: 0.5fr 3fr 1fr; +grid-auto-columns: minmax(100px, auto) minmax(max-content, 2fr) minmax(20%, 80vmax); +grid-auto-columns: 100px minmax(100px, auto) 10% 0.5fr fit-content(400px); + +/* Global values */ +grid-auto-columns: inherit; +grid-auto-columns: initial; +grid-auto-columns: unset; +</pre> + +<h3 id="属性值">属性值</h3> + +<dl> + <dt><code><length></code></dt> + <dd>指定一个非负的数作为尺寸。</dd> + <dt><code><percentage></code></dt> + <dd>一个非负的百分数（{{cssxref("percentage", "<percentage>")}}），相对于 grid 容器的尺寸。如果 grid 的尺寸不确定，该百分值就会被当作 <code>auto</code> 对待。</dd> + <dt><code><flex></code></dt> + <dd>一个以 <code>fr</code> 为单位非负的尺寸，表示轨道的伸缩系数。每个以 <code><flex></code> 定义尺寸的轨道会以该伸缩系数为比例来占据剩余的可用空间。如果使用<span style="font-size: 1rem; letter-spacing: -0.00278rem;"> </span><code style="font-size: 1rem; letter-spacing: -0.00278rem;">minmax()</code><span style="font-size: 1rem; letter-spacing: -0.00278rem;">，则表示自动缩小并指定最大尺寸（也就是 </span><code style="font-size: 1rem; letter-spacing: -0.00278rem;">minmax(auto, <flex>)</code><span style="font-size: 1rem; letter-spacing: -0.00278rem;">）。</span></dd> + <dt><code>max-content</code></dt> + <dd>一个关键字，表示以网格项的最大的内容来占据网格轨道。</dd> + <dt><code>min-content</code></dt> + <dd>一个关键字，表示以网格项的最大的最小内容来占据网格轨道。</dd> + <dt><code>minmax(min, max)</code></dt> + <dd>定义一个尺寸范围，即大于或等于 min 值，并且小于或等于 max 值。如果 max 值小于 min 值，那么 max 值会被忽略并且最终表现为 min 值。最大值可以设置为网格轨道系数值<code><flex></code> ，但最小值则不行。</dd> + <dt><code>fit-content(<em>argument</em>)</code></dt> + <dd>相当于公式 <code>min(max-content, max(auto, <var>argument</var>))</code>，类似于<code>auto</code> 的计算(即 <code>minmax(auto, max-content)</code>)，除了网格轨道大小值是确定下来的，否则该值都大于 <code>auto</code> 的最小值。</dd> + <dt><code>auto</code></dt> + <dd>如果该网格轨道为最大时，该属性等同于 <code><max-content></code> ，为最小时，则等同于 <code><min-content></code> 。</dd> + <dd> + <p class="note">Note: <code>auto</code> 轨道尺寸 (且只为 <code>auto</code> 值时) 才可以被 {{cssxref("align-content")}} 和 {{cssxref("justify-content")}} 属性拉伸。</p> + </dd> +</dl> + +<h3 id="形式语法">形式语法</h3> + +<pre class="syntaxbox">{{csssyntax}}</pre> + +<h2 id="示例">示例</h2> + +<h3 id="HTML_content">HTML content</h3> + +<pre class="brush: html"><div id="grid"> + <div id="item1"></div> + <div id="item2"></div> + <div id="item3"></div> +</div></pre> + +<h3 id="CSS_content">CSS content</h3> + +<pre class="brush: css; highlight[6]">#grid { + height: 100px; + display: grid; + grid-template-areas: "a a"; + grid-gap: 10px; + grid-auto-columns: 200px; +} + +#grid > div { + background-color: lime; +} +</pre> + +<p>{{EmbedLiveSample("Example", "410px", "100px")}}</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 Grid", "#propdef-grid-auto-columns", "grid-auto-columns")}}</td> + <td>{{Spec2("CSS3 Grid")}}</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.grid-auto-columns")}}</p> + +<h2 id="参见">参见</h2> + +<ul> + <li>Related CSS properties: {{cssxref("grid-auto-rows")}}, {{cssxref("grid-auto-flow")}}, {{cssxref("grid")}}</li> + <li>Grid Layout Guide: <em><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Auto-placement_in_CSS_Grid_Layout#Sizing_rows_in_the_implicit_grid">Auto-placement in grid layout - sizing rows in the implicit grid</a></em></li> + <li>Video tutorial: <em><a href="http://gridbyexample.com/video/series-auto-placement-order/">Introducing Grid auto-placement and order</a></em></li> +</ul> + +<section class="Quick_links" id="Quick_Links"> +<ol> + <li><a href="/en-US/docs/Web/CSS"><strong>CSS</strong></a></li> + <li><a href="/en-US/docs/Web/CSS/Reference"><strong>CSS Reference</strong></a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout">CSS Grid Layout</a></li> + <li data-default-state="open"><a href="#"><strong>Guides</strong></a> + <ol> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Basic_Concepts_of_Grid_Layout">Basics concepts of grid layout</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Relationship_of_Grid_Layout">Relationship to other layout methods</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Line-based_Placement_with_CSS_Grid">Line-based placement</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Grid_Template_Areas">Grid template areas</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Layout_using_Named_Grid_Lines">Layout using named grid lines</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Auto-placement_in_CSS_Grid_Layout">Auto-placement in grid layout</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Box_Alignment_in_CSS_Grid_Layout">Box alignment in grid layout</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/CSS_Grid,_Logical_Values_and_Writing_Modes">Grids, logical values and writing modes</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/CSS_Grid_Layout_and_Accessibility">CSS Grid Layout and Accessibility</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/CSS_Grid_and_Progressive_Enhancement">CSS Grid Layout and Progressive Enhancement</a></li> + <li><a href="/en-US/docs/Web/CSS/CSS_Grid_Layout/Realizing_common_layouts_using_CSS_Grid_Layout">Realizing common layouts using grids</a></li> + </ol> + </li> + <li data-default-state="open"><a href="#"><strong>Properties</strong></a> + <ol> + <li><a href="/en-US/docs/Web/CSS/grid">grid</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-area">grid-area</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-auto-columns">grid-auto-columns</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-auto-flow">grid-auto-flow</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-auto-rows">grid-auto-rows</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-column">grid-column</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-column-end">grid-column-end</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-column-gap">grid-column-gap</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-column-start">grid-column-start</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-gap">grid-gap</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-row">grid-row</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-row-end">grid-row-end</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-row-gap">grid-row-gap</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-row-start">grid-row-start</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-template">grid-template</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-template-areas">grid-template-areas</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-template-columns">grid-template-columns</a></li> + <li><a href="/en-US/docs/Web/CSS/grid-template-rows">grid-template-rows</a></li> + </ol> + </li> + <li data-default-state="open"><a href="#"><strong>Glossary</strong></a> + <ol> + <li><a href="/en-US/docs/Glossary/Grid_lines">Grid lines</a></li> + <li><a href="/en-US/docs/Glossary/Grid_tracks">Grid tracks</a></li> + <li><a href="/en-US/docs/Glossary/Grid_cell">Grid cell</a></li> + <li><a href="/en-US/docs/Glossary/Grid_areas">Grid areas</a></li> + <li><a href="/en-US/docs/Glossary/Gutters">Gutters</a></li> + <li><a href="/en-US/docs/Glossary/Grid_rows">Grid row</a></li> + <li><a href="/en-US/docs/Glossary/Grid_column">Grid column</a></li> + </ol> + </li> +</ol> +</section> |