简要教程
这是一款很酷的html5 svg线条动态绘制文字轮廓边框动画特效。SVG路径动画在网页设计中是一项热门的技术，它允许我们绘制各种简单、精美的图标和文字。关于使用SVG制作图标方面的知识，请参考阅读ESSENTIAL ICONS。
制作流程
先用一张gif图片来看看效果：
制作SVG
1、首先你要下载和安装一款矢量图形编辑器，推荐使用Inkscape。
2、打开Inkscape，创建一个新的文档。在文档的左上角创建你的文字。
3、使用选择工具选取你创建的文字。
4、在Path菜单中，选择Object --> Path。然后保存为SVG。
5、使用文本编辑器打开你刚才保存的SVG。将一些不需要的标签去掉，每个路径只保留path部分即可，见下图：
CSS
1、创建一个div作为包裹容器包住SVG。给这个div一个id，然后添加下面的css代码：
#YOUR-SVG-CONTAINER { //ADJUST NAME TO MATCH YOUR ID
position: relative;
width: 360px; //ADJUST WIDTH TO MATCH WIDTH OF YOUR TEXT
height: 110px; //ADJUST HEIGHT TO MATCH HEIGHT OF YOUR TEXT
margin: 40vh auto 0 auto;
}
2、给你的SVG元素一个id，然后添加下面的CSS代码：
#svg-canvas { //ADJUST NAME TO MATCH YOUR ID
position: relative;
width: 360px; //ADJUST WIDTH TO MATCH WIDTH OF YOUR TEXT
height: 110px; //ADJUST HEIGHT TO MATCH HEIGHT OF YOUR TEXT
}
3、确保你的每个路径元素看起来像下面这样：
<path class="title" fill-opacity="0" stroke="#000" stroke-width="1.5" d="" />
4、在你的样式表中添加下面的代码。下面的css代码将以线条绘制文字轮廓。关于下面代码的说明请点击这里。
.title {
stroke-dasharray: 500;
stroke-dashoffset: 500;
animation: draw 5s linear forwards;
-webkit-animation: draw 8s linear forwards;
-moz-animation: draw 8s linear forwards;
-o-animation: draw 8s linear forwards;
font-weight: bold;
font-family: Amatic SC;
-inkscape-font-specification: Amatic SC Bold"
}
@keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-webkit-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-moz-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-o-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
出处：http://www.htmleaf.com/html5/html5donghua/20141203663.html
DEMO: 点击这里看效果
完整代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>text svg</title>
<style type="text/css">
body {
background-color: #212A3F;
}
#svg-container {
position: relative;
width: 940px;
height: 110px;
margin: 40vh auto 0 auto;
}
#svg-canvas {
position: relative;
width: 940px;
height: 110px;
}
.title {
stroke-dasharray: 500;
stroke-dashoffset: 500;
animation: draw 5s linear forwards;
-webkit-animation: draw 5s linear forwards;
-moz-animation: draw 5s linear forwards;
-o-animation: draw 5s linear forwards;
font-style:normal;
font-variant:normal;
font-weight:normal;
font-stretch:semi-expanded;
font-size:69.40313721px;
font-family:Ravie;
-inkscape-font-specification:'Ravie Semi-Expanded'
}
@keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-webkit-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-moz-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
@-o-keyframes draw {
to {
stroke-dashoffset: 0;
}
}
</style>
</head>
<body>
<div id="svg-container">
<svg id="svg-canvas">
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更多参考：
SVG 系列教程列表
SVG动画入门
SVG动画入门（二）
SVG技术入门：线条动画实现原理
如何使用CSS来修改SVG原点和制作SVG动画
纯CSS实现帅气的SVG路径描边动画效果
SVG矢量绘图 path路径详解（基本画法）
SVG矢量绘图 path路径详解（贝塞尔曲线及平滑）
Web流程图绘制使用raphael
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