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author | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
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committer | Peter Bengtsson <mail@peterbe.com> | 2020-12-08 14:40:17 -0500 |
commit | 33058f2b292b3a581333bdfb21b8f671898c5060 (patch) | |
tree | 51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/css/object-fit | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/css/object-fit/index.html b/files/zh-cn/web/css/object-fit/index.html new file mode 100644 index 0000000000..754a37dd05 --- /dev/null +++ b/files/zh-cn/web/css/object-fit/index.html @@ -0,0 +1,165 @@ +--- +title: object-fit +slug: Web/CSS/object-fit +tags: + - CSS + - 图像 + - 图像大小 + - 图像缩放 +translation_of: Web/CSS/object-fit +--- +<div>{{CSSRef}}</div> + +<p><strong><code>object-fit</code></strong> <a href="/zh-CN/docs/Web/CSS">CSS</a> 属性指定<a href="/zh-CN/docs/Web/CSS/Replaced_element">可替换元素</a>的内容应该如何适应到其使用的高度和宽度确定的框。</p> + +<p>您可以通过使用 {{cssxref("object-position")}} 属性来切换被替换元素的内容对象在元素框内的对齐方式。</p> + +<div>{{EmbedInteractiveExample("pages/css/object-fit.html")}}</div> + + + +<h2 id="Values" name="Values">语法</h2> + +<p>object-fit 属性由下列的值中的单独一个关键字来指定。</p> + +<h3 id="Values" name="Values">取值</h3> + +<dl> + <dt><code>contain</code></dt> + <dd>被替换的内容将被缩放,以在填充元素的内容框时保持其宽高比。 整个对象在填充盒子的同时保留其长宽比,因此如果宽高比与框的宽高比不匹配,该对象将被添加“<a href="https://zh.wikipedia.org/wiki/%E9%BB%91%E9%82%8A">黑边</a>”。</dd> + <dt><code>cover</code></dt> + <dd>被替换的内容在保持其宽高比的同时填充元素的整个内容框。如果对象的宽高比与内容框不相匹配,该对象将被剪裁以适应内容框。</dd> + <dt><code>fill</code></dt> + <dd>被替换的内容正好填充元素的内容框。整个对象将完全填充此框。如果对象的宽高比与内容框不相匹配,那么该对象将被拉伸以适应内容框。</dd> + <dt><code>none</code></dt> + <dd>被替换的内容将保持其原有的尺寸。</dd> + <dt><code>scale-down</code></dt> + <dd>内容的尺寸与 <code>none</code> 或 <code>contain</code> 中的一个相同,取决于它们两个之间谁得到的对象尺寸会更小一些。</dd> +</dl> + +<h3 id="正式语法">正式语法</h3> + +<pre class="syntaxbox">{{csssyntax}}</pre> + +<h2 id="Example" name="Example">例子</h2> + +<h3 id="HTML">HTML</h3> + +<pre class="brush: html"><div> + <h2>object-fit: fill</h2> + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="fill"/> + + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="fill narrow"/> + + <h2>object-fit: contain</h2> + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="contain"/> + + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="contain narrow"/> + + <h2>object-fit: cover</h2> + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="cover"/> + + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="cover narrow"/> + + <h2>object-fit: none</h2> + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="none"/> + + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="none narrow"/> + + <h2>object-fit: scale-down</h2> + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="scale-down"/> + + <img src="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" alt="MDN Logo" class="scale-down narrow"/> + +</div> +</pre> + +<h3 id="CSS">CSS</h3> + +<pre class="brush: css">h2 { + font-family: Courier New, monospace; + font-size: 1em; + margin: 1em 0 0.3em; +} + +div { + display: flex; + flex-direction: column; + flex-wrap: wrap; + align-items: flex-start; + height: 940px; +} + +img { + width: 150px; + height: 100px; + border: 1px solid #000; +} + +.narrow { + width: 100px; + height: 150px; + margin-top: 10px; +} + +.fill { + object-fit: fill; +} + +.contain { + object-fit: contain; +} + +.cover { + object-fit: cover; +} + +.none { + object-fit: none; +} + +.scale-down { + object-fit: scale-down; +} +</pre> + +<h3 id="结果">结果</h3> + +<p>{{ EmbedLiveSample('Example', 500, 450) }}</p> + +<h2 id="规范">规范</h2> + +<table class="standard-table"> + <thead> + <tr> + <th scope="col">规范</th> + <th scope="col">状态</th> + <th scope="col">备注</th> + </tr> + </thead> + <tbody> + <tr> + <td>{{SpecName('CSS4 Images', '#the-object-fit', 'object-fit')}}</td> + <td>{{Spec2('CSS4 Images')}}</td> + <td> </td> + </tr> + <tr> + <td>{{SpecName('CSS3 Images', '#the-object-fit', 'object-fit')}}</td> + <td>{{Spec2('CSS3 Images')}}</td> + <td>初始定义</td> + </tr> + </tbody> +</table> + +<h2 id="浏览器兼容性">浏览器兼容性</h2> + + + +<p>{{Compat("css.properties.object-fit")}}</p> + +<h2 id="参见">参见</h2> + +<ul> + <li>其他与图像相关的CSS属性: {{cssxref("object-position")}}, {{cssxref("image-orientation")}}, {{cssxref("image-rendering")}}, {{cssxref("image-resolution")}}。</li> + <li>{{cssxref("background-size")}}</li> +</ul> |