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---
title: stroke
slug: Web/SVG/Attribute/stroke
tags:
- SVG
- SVG属性
- 需要兼容性表
translation_of: Web/SVG/Attribute/stroke
---
<p>« <a href="/en/SVG/Attribute" title="en/SVG/Attribute">SVG属性参考主页</a></p>
<p><code>stroke</code>属性定义了给定图形元素的外轮廓的颜色。它的默认值是<strong>none</strong>。</p>
<h2 id="用法">用法</h2>
<table class="standard-table">
<tbody>
<tr>
<th scope="row">类别</th>
<td>外观属性</td>
</tr>
<tr>
<th scope="row">值</th>
<td><a href="/en/SVG/Content_type#Paint" title="en/SVG/Content_type#Paint"><paint></a></td>
</tr>
<tr>
<th scope="row">可变性</th>
<td>是</td>
</tr>
<tr>
<th scope="row">规范文档</th>
<td><a class="external" href="http://www.w3.org/TR/SVG/painting.html#StrokeProperty">SVG 1.1 (2nd Edition)</a></td>
</tr>
</tbody>
</table>
<h2 id="示例">示例</h2>
<p></p>
<h2 id="SVG_Line" name="SVG_Line">SVG 描边的线</h2>
<h3 id="示例1:用stroke属性画一条绿色的直线.">示例1:用stroke属性画一条绿色的直线.</h3>
<pre class="brush: html"><svg height="50" width ="300">
<path stroke = "green" d="M5 20 1215 0" />
</svg></pre>
<h3 id="sect1"> </h3>
<h3 id="示例2:用Stroke属性画一个拥有蓝色边框的黑色的圆形">示例2:用Stroke属性画一个拥有蓝色边框的黑色的圆形</h3>
<pre class="brush: html"><svg height="200" width="200">
<circle cx="50" cy="50" r="40" stroke="blue" stroke-width="2" fill ="black" />
</svg></pre>
<p> </p>
<h2 id="元素">元素</h2>
<p>下列元素可以使用<code>stroke</code>属性:</p>
<ul>
<li><a href="https://developer.mozilla.org/en/SVG/Element#Shape" title="en/SVG/Element#Shape">形状元素</a> »</li>
<li><a href="https://developer.mozilla.org/en/SVG/Element#TextContent" title="en/SVG/Element#TextContent">文本内容元素</a> »</li>
</ul>
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