代码
提交代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>慕课网Wiki</title>
<style>
#imooc{
border:1px solid #ccc;
}
</style>
</head>
<body>
<canvas id="imooc">您的浏览器不支持 HTML5 canvas 标签</canvas>
<script>
const canvas = document.getElementById('imooc');
canvas.width=300
canvas.height=300
const ctx = canvas.getContext('2d');
// 绘制圆角矩形
ctx.beginPath();
ctx.moveTo(80,40);
ctx.arcTo(260,40, 260,200, 40);
ctx.arcTo(260,260, 200,260, 40);
ctx.arcTo(40,260, 40,100, 40);
ctx.arcTo(40,40, 80,40,40)
ctx.strokeStyle = "#456795";
ctx.lineWidth = 4;
ctx.stroke();
ctx.fillStyle = "#ccc";
ctx.fill();
</script>
</body>
</html>
运行结果