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jquery-svg-pan-zoom.js下载和文档请看这里https://github.com/DanielHoffmann/jquery-svg-pan-zoom
原理：控制svg的viewbox属性
viewbox是SVG图像的一个属性，它定义了SVG的可见区域，由4个数字定义：横坐标X、纵坐标Y、宽度Width、高度Height。这些数字一起指定可见区域。这个插件通过操纵这四个数字来工作。例如，将图像向右移动会改变X值，而放大会减小宽度和高度。
注意事项：
下面是我的demo(一只精神的大老虎):
注意： 需要先下载好jquery.js和jquery.svg.pan.zoom.js．
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<link href="https://cdn.bootcss.com/twitter-bootstrap/3.3.5/css/bootstrap.css" rel="stylesheet">
<style>
body, html {
padding: 0;
margin: 0;
background-color: #ececec;
}
#svgImg {
width: 60%;
min-width: 370px;
height: 370px;
margin: 0 auto;
padding: 20px;
background-color: #fff;
}
#svgImg svg{
display: block;
width: 330px;
margin: 0 auto;
border: 1px solid #ddd;
}
.btn-area {
background-color: #fff;
width: 60%;
min-width: 370px;
margin: 0 auto;
padding: 20px;
text-align: center;
}
.btn-area button{
border: 1px solid #ddd;
background-color: #00b0f0;
padding: 5px 10px;
-webkit-border-radius: 10px;
-moz-border-radius: 10px;
border-radius: 10px;
color: #fff;
margin-right: 5px;
}
.btn-area button:focus{
outline:none;
background-color: #23c7f0;
}
</style>
</head>
<body>
<div id="svgImg">
<svg width="330" height="330" viewBox="0 0 900 900" xmlns="http://www.w3.org/2000/svg" version="1.1"
preserveAspectRatio="xMidYMid meet">
<g id="g4" fill="none" transform="matrix(1.7656463,0,0,1.7656463,324.90716,255.00942)">
<g id="g6" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path8"
d="m-122.3,84.285s0.1,1.894-0.73,1.875c-0.82-0.019-17.27-48.094-37.8-45.851,0,0,17.78-7.353,38.53,43.976z"></path>
</g>
<g id="g10" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path12"
d="m-118.77,81.262s-0.55,1.816-1.32,1.517c-0.77-0.298,0.11-51.104-19.95-55.978,0,0,19.22-0.864,21.27,54.461z"></path>
</g>
<g id="g14" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path16"
d="m-91.284,123.59s1.636,0.96,1.166,1.64c-0.471,0.67-49.642-12.13-59.102,6.23,0,0,3.68-18.89,57.936-7.87z"></path>
</g>
<g id="g18" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path20"
d="m-94.093,133.8s1.856,0.4,1.622,1.19c-0.233,0.79-50.939,4.13-54.129,24.53,0,0-2.46-19.08,52.507-25.72z"></path>
</g>
<g id="g22" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path24"
d="m-98.304,128.28s1.778,0.66,1.432,1.41-50.998-3.34-57.128,16.37c0,0,0.35-19.24,55.696-17.78z"></path>
</g>
<g id="g26" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path28"
d="m-109.01,110.07s1.31,1.38,0.67,1.9-44.38-25.336-58.53-10.29c0,0,8.74-17.147,57.86,8.39z"></path>
</g>
<g id="g30" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path32"
d="m-116.55,114.26s1.45,1.22,0.88,1.81c-0.58,0.59-46.97-20.148-59.32-3.6,0,0,6.74-18.023,58.44,1.79z"></path>
</g>
<g id="g34" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path36"
d="m-119.15,118.34s1.6,1,1.11,1.67c-0.49,0.66-49.27-13.56-59.25,4.51,0,0,4.22-18.77,58.14-6.18z"></path>
</g>
<g id="g38" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path40"
d="m-108.42,118.95s1.12,1.53,0.42,1.97c-0.7,0.43-40.77-30.818-56.73-17.71,0,0,10.87-15.884,56.31,15.74z"></path>
</g>
<g id="g42" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path44" d="m-128.2,90s0.6,1.8-0.2,2-29.4-41.8-48.6-34.2c0,0,15.2-11.8,48.8,32.2z"></path>
</g>
<g id="g46" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path48"
d="m-127.5,96.979s0.97,1.629,0.23,1.996c-0.74,0.368-37.72-34.476-54.83-22.914,0,0,12.3-14.8,54.6,20.918z"></path>
</g>
<g id="g50" stroke-width="0.17200001" stroke="#000" fill="#FFF">
<path id="path52"
d="m-127.62,101.35s1.12,1.53,0.42,1.97c-0.7,0.43-40.77-30.818-56.73-17.713,0,0,10.87-15.881,56.31,15.743z"></path>
</g>
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</g>
<g id="g58" stroke="#000" fill="#cc7226">
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发表于 2021-05-23 19:54:19
- 阅读 ( 1260 )
- 分类：前端
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