1.引入js文件
<script src='./circle.js'></script>
2.添加html代码
<canvas id="canvasExp"></canvas>
3.添加js代码
new DrawCanvas({
id: 'canvasExp',
width: 200,
height: 200,
percent: 60,
font: '22px SimSong',
num: 55,
text: '用户示例',
}).init();