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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/max-width | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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diff --git a/files/zh-cn/web/css/max-width/index.html b/files/zh-cn/web/css/max-width/index.html new file mode 100644 index 0000000000..10a4e12f17 --- /dev/null +++ b/files/zh-cn/web/css/max-width/index.html @@ -0,0 +1,214 @@ +--- +title: max-width +slug: Web/CSS/max-width +translation_of: Web/CSS/max-width +--- +<p>{{ CSSRef() }}</p> + +<h2 id="摘要">摘要</h2> + +<p>max-width 属性用来给元素设置最大宽度值. 定义了max-width的元素会在达到max-width值之后避免进一步按照width属性设置变大.</p> + +<p>{{ Cssxref("max-width") }} 会覆盖{{cssxref("width")}}设置, 但 {{ Cssxref("min-width") }}设置会覆盖 {{ Cssxref("max-width") }}.</p> + +<p>{{cssinfo}}</p> + +<h2 id="语法">语法</h2> + +<pre class="brush:css">/* <长度> 值 */ +max-width: 3.5em; + +/* <百分比> 值 */ +max-width: 75%; + +/* 关键字 */ +max-width: none; +max-width: max-content; +max-width: min-content; +max-width: fit-content; +max-width: fill-available; + +/* 全局设置 */ +max-width: inherit; +max-width: initial; +max-width: unset; +</pre> + +<h3 id="可选值">可选值</h3> + +<dl> + <dt><code>none</code></dt> + <dd>元素未设置最大值</dd> + <dt><code><长度></code></dt> + <dd>请参阅{{cssxref("<length>")}}所提及的长度单位.</dd> + <dt><code><百分比></code></dt> + <dd>以父级块级容器宽度的百分比{{cssxref("<percentage>")}}作为最大宽度.</dd> + <dt><code>max-content</code>{{experimental_inline()}}</dt> + <dd>The intrinsic preferred width.</dd> + <dt><code>min-content</code>{{experimental_inline()}}</dt> + <dd>The intrinsic minimum width.</dd> + <dt><code>fill-available</code>{{experimental_inline()}}</dt> + <dd>The containing block width minus horizontal margin, border, and padding. Some browsers implement an ancient name for this keyword, <code>available</code>.</dd> + <dt><code>fit-content</code>{{experimental_inline()}}</dt> + <dd>与<code>max-content等价.</code></dd> +</dl> + +<h3 id="形式语法">形式语法</h3> + +<pre class="syntaxbox">{{csssyntax}}</pre> + +<h2 id="例子">例子</h2> + +<p>在下面的例子里,id为"child"的<div>元素设置了width值, 使它的宽度与父元素"parent"相等(100%),但是max-width值限制了它最大宽度只能到150px.</p> + +<div id="basic-max-width-demo"> +<pre class="brush: html"><div id="parent"> + <div id="child"> + The Mozilla community produces a lot of great software. + </div> +</div> +</pre> + +<pre class="brush: css">#parent { width: 300px; } + +#child { background: gold; + width: 100%; + max-width: 150px; + } +</pre> +</div> + +<p>{{EmbedLiveSample("basic-max-width-demo", 350, 100)}}</p> + +<p>fit-content 值可以用来给元素设置基于其内容大小的宽度:</p> + +<div id="fit-content-demo"> +<pre class="brush: html" style="display: none;"><div id="parent"> + <div id="child"> + Child Text + </div> +</div> +</pre> + +<pre class="brush: css">#parent { background: lightblue; + width: 300px; } + +#child { background: gold; + width: 100%; + max-width: -moz-fit-content; + max-width: -webkit-fit-content; + } +</pre> +</div> + +<p>{{EmbedLiveSample("fit-content-demo", 400, 100)}}</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 Sizing', '#width-height-keywords', 'max-width') }}</td> + <td>{{ Spec2('CSS3 Sizing') }}</td> + <td>Adds the <code>max-content</code>, <code>min-content</code>, <code>fit-content</code>, and <code>fill-available</code> keywords.<br> + <em>Both CSS3 Box and CSS3 Writing Modes drafts defined at some point these keywords. These drafts are superseded by this spec.</em></td> + </tr> + <tr> + <td>{{ SpecName('CSS3 Transitions', '#animatable-css', 'max-width') }}</td> + <td>{{ Spec2('CSS3 Transitions') }}</td> + <td>Defines <code>max-width</code> as animatable.</td> + </tr> + <tr> + <td>{{ SpecName('CSS2.1', 'visudet.html#min-max-widths', 'max-width') }}</td> + <td>{{ Spec2('CSS2.1') }}</td> + <td>Initial definition.</td> + </tr> + </tbody> +</table> + +<h2 id="Browser_Compatibility" name="Browser_Compatibility">浏览器兼容性</h2> + +<p>{{ CompatibilityTable() }}</p> + +<div id="compat-desktop"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Chrome</th> + <th>Firefox (Gecko)</th> + <th>Internet Explorer</th> + <th>Opera</th> + <th>Safari (WebKit)</th> + </tr> + <tr> + <td>Basic support</td> + <td>1.0</td> + <td>{{CompatGeckoDesktop("1.0")}}</td> + <td>7.0</td> + <td>4.0</td> + <td>2.0.2 (416),<br> + buggy before</td> + </tr> + <tr> + <td>applies to <code><table> </code>[1]</td> + <td>{{ CompatNo() }}</td> + <td>{{CompatVersionUnknown()}}</td> + <td>{{ CompatNo() }}</td> + <td>{{CompatVersionUnknown()}}</td> + <td>{{ CompatNo() }}</td> + </tr> + <tr> + <td rowspan="1"><code>max-content</code>, <code>min-content</code>, <code>fit-content</code>, and <code>fill-</code><code>available</code> {{ experimental_inline() }}</td> + <td>{{ CompatNo() }} [3]</td> + <td>{{CompatGeckoDesktop("1.9")}}{{property_prefix("-moz")}} [2]</td> + <td rowspan="1">{{ CompatNo() }}</td> + <td rowspan="1">{{ CompatNo() }}</td> + <td>{{ CompatNo() }} [3]</td> + </tr> + </tbody> +</table> +</div> + +<div id="compat-mobile"> +<table class="compat-table"> + <tbody> + <tr> + <th>Feature</th> + <th>Android</th> + <th>Firefox Mobile (Gecko)</th> + <th>IE Phone</th> + <th>Opera Mobile</th> + <th>Safari Mobile</th> + </tr> + <tr> + <td>Basic support</td> + <td>{{ CompatUnknown() }}</td> + <td>{{ CompatUnknown() }}</td> + <td>{{ CompatUnknown() }}</td> + <td>{{ CompatUnknown() }}</td> + <td>{{ CompatUnknown() }}</td> + </tr> + </tbody> +</table> +</div> + +<p>[1] CSS 2.1 explicitly leaves the behavior of <code>max-width</code> with {{ HTMLElement("table") }} undefined. Therefore any behavior is CSS2.1-compliant; newer CSS specifications may define this behavior, so Web developers shouldn't rely on a specific one now.</p> + +<p>[2] Gecko experimentally implements the definitions given in CSS3 Basic Box. This one defines <code>available</code> and not <code>fill-available</code>. Also the definition of <code>fit-content</code> is simpler than in CSS3 Sizing.</p> + +<p>[3] WebKit implements an earlier proposal for setting the height to an intrinsic height: the keywords <code>intrinsic</code>, instead of <code>max-content</code>, and <code>min-intrinsic</code>, instead of <code>min-content</code> There is no equivalent for <code>fill-available</code> or <code>fit-content</code>.</p> + +<h2 id="参考链接">参考链接</h2> + +<ul> + <li>{{ Cssxref("width") }}, {{ Cssxref("min-width") }}, {{ Cssxref("max-height") }}</li> + <li><a href="/en/CSS/box_model" title="en/CSS/box_model">The box model</a>, {{ Cssxref("box-sizing") }}</li> +</ul> |