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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/border-left-width | |
parent | 8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff) | |
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-rw-r--r-- | files/zh-cn/web/css/border-left-width/index.html | 143 |
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diff --git a/files/zh-cn/web/css/border-left-width/index.html b/files/zh-cn/web/css/border-left-width/index.html new file mode 100644 index 0000000000..af8c580ccf --- /dev/null +++ b/files/zh-cn/web/css/border-left-width/index.html @@ -0,0 +1,143 @@ +--- +title: border-left-width +slug: Web/CSS/border-left-width +tags: + - CSS + - CSS属性 + - CSS边框 +translation_of: Web/CSS/border-left-width +--- +<div>{{CSSRef}}</div> + +<p><a href="/en-US/docs/CSS" title="CSS">CSS</a> 的 <strong><code>border-left-width</code></strong> 属性用来设置盒子的左边框的宽度。</p> + +<div>{{EmbedInteractiveExample("pages/css/border-left-width.html")}}</div> + + + +<h2 id="语法">语法</h2> + +<pre class="brush:css no-line-numbers">/* 关键字数值 */ +border-left-width: thin; +border-left-width: medium; +border-left-width: thick; + +/* 长度数值 */ +border-left-width: 10em; +border-left-width: 3vmax; +border-left-width: 6px; + +/* 全局关键字 */ +border-left-width: inherit; +border-left-width: initial; +border-left-width: unset;</pre> + +<h3 id="数值">数值</h3> + +<dl> + <dt><code><br-width></code></dt> + <dd>定义边框的宽度,或者作为显性非负的长度值 {{cssxref("<length>")}} 或者是关键字. 如果他是一个关键字,它必须是下列值的一种: + <table> + <tbody> + <tr> + <td><code>thin</code></td> + <td> + <div style="margin: 0.5em; width: 3em; height: 3em; border-left-style: solid; border-left-width: thin; background-color: palegreen;"> </div> + </td> + <td>一个细边框</td> + </tr> + <tr> + <td><code>medium</code></td> + <td> + <div style="margin: 0.5em; width: 3em; height: 3em; border-left-style: solid; border-left-width: medium; background-color: palegreen;"> </div> + </td> + <td>一个中等边框</td> + </tr> + <tr> + <td><code>thick</code></td> + <td> + <div style="margin: 0.5em; width: 3em; height: 3em; border-left-style: solid; border-left-width: thick; background-color: palegreen;"> </div> + </td> + <td>一个粗边框</td> + </tr> + </tbody> + </table> + + <div class="note"> + <p><strong>笔记:</strong> 因为规范没有定义每个关键字表示的确切厚度,当使用其中之一的关键字时,需要具体实施才知道确切结果。不过,它们通常遵循下面的模式 <code>thin ≤ medium ≤ thick</code>, 在单独文档中这些值内部是恒定不变的。</p> + </div> + </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> + +<h3 id="HTML">HTML</h3> + +<pre class="brush: html"><div>Element 1</div> +<div>Element 2</div></pre> + +<h3 id="CSS">CSS</h3> + +<pre class="brush: css">div { + border: 1px solid red; + margin: 1em 0; +} + +div:nth-child(1) { + border-left-width: thick; +} +div:nth-child(2) { + border-left-width: 2em; +}</pre> + +<h3 id="结果">结果</h3> + +<p>{{EmbedLiveSample('Example', '100%')}}</p> + +<h2 id="规格">规格</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 Backgrounds', '#the-border-width', 'border-left-width')}}</td> + <td>{{Spec2('CSS3 Backgrounds')}}</td> + <td>没有规格变化.</td> + </tr> + <tr> + <td>{{SpecName('CSS2.1', 'box.html#border-width-properties', 'border-left-width')}}</td> + <td>{{Spec2('CSS2.1')}}</td> + <td>没有规格变化</td> + </tr> + <tr> + <td>{{SpecName('CSS1', '#border-left-width', 'border-left-width')}}</td> + <td>{{Spec2('CSS1')}}</td> + <td>最初的定义</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.border-left-width")}}</p> + +<h2 id="其他">其他</h2> + +<ul> + <li>The other border-width-related CSS properties: {{Cssxref("border-bottom-width")}}, {{Cssxref("border-right-width")}}, {{Cssxref("border-top-width")}}, and {{Cssxref("border-width")}}.</li> + <li>The other border-left-related CSS properties: {{Cssxref("border")}}, {{Cssxref("border-left")}}, {{Cssxref("border-left-style")}}, and {{Cssxref("border-left-color")}}.</li> +</ul> |