svg描边路径动画

svg描边路径动画

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <style>

        html,body{
            width:100%; height:100%;
        }
        /*1000是线条(path)的长度  stroke-dasharray和stroke-dashoffset的值要一样 stroke-dasharray的值就是每段的长度    stroke-dashoffset每段的偏移值 */
     path {
            stroke-dasharray: 1000;
            stroke-dashoffset: 1000;
            -webkit-animation: dash 1s linear infinite;
        }

        @-webkit-keyframes dash {
            to {
                stroke-dashoffset: 0;
            }
        }
        .svgdonghua2{
            display: none;
        }
    </style>
</head>
<body>


<div style="width:300px; height:300px;" class="ds">
    <svg class="svgdonghua svgdonghua1" version="1.1" id="huaban1" xmlns="http://www.w3.org/2000/svg" width="31rem" height="31rem"  viewBox="0 0 167 167" preserveAspectRatio="xMaxYMax meet" >
        <path fill="none" stroke="#000000" stroke-miterlimit="10" d="M1.2,1.011c1.885-0.986,6.254-0.182,8.395-0.182
	c12.128,0,24.256,0,36.383,0c13.245,0,26.49,0,39.735,0c3.012,0,5.487,0.271,8.421,1.165c6.376,1.941,12.309,2.474,18.951,2.665
	c5.468,0.157,10.894,0.001,16.298-0.724c4.636-0.622,9.396-0.374,14.094-0.374c6.421,0,12.851-0.041,19.267,0.002
	c0.196,24.462,0.439,48.991,0.21,73.474c-0.063,6.69-0.391,13.389-0.367,20.103c0.031,9.434,1.144,18.918-1.417,28.075
	c-0.944,3.375-0.21,4.532,0.259,7.825c0.572,4.013,0.765,7.719,0.975,11.732c0.186,3.555,3.401,8.736,0.915,12.164
	c-2.479,3.416-8.678,5.368-12.396,6.45c-6.105,1.777-12.556,1.496-18.925,1.563c-6.96,0.074-13.882,0.559-20.823,0.542
	c-29.13-0.067-58.268,0.183-87.387,0.183c-4.539,0-9.118,0.193-13.652,0c-1.883-0.08-5.043-0.18-6.566-1.272
	c-1.454-1.043-1.981-4.339-2.145-6.046c-0.266-2.767,0.061-5.548-0.264-8.322c-0.352-3.009-0.733-6.372-0.124-9.383
	c0.97-4.795,1.534-9.665,2.355-14.517c0.391-2.309,0.553-4.632,0.898-6.944c0.434-2.9,1.448-5.635,1.842-8.542
	c1.016-7.5,0.352-15.428,0.352-22.993c0-12.143,0.861-24.604-1.147-36.562C3.297,38.959,2.699,26.44,2.476,14.118
	C2.394,9.625,1.047,5.583,1.018,1.193"/>
</svg>
</div>



ps: viewBox 167 167是svg原本的宽度和高度 单位是像素 不能去改他 改width和height只能等比例缩放 不能拉伸

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