老师,看一下
来源:4-10 编程练习
陈子长
2018-11-21 16:45:08
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>案例</title>
<style>
canvas{background-color:lightblue;}
</style>
</head>
<body>
<canvas id="canvas" width="600px" height="600px">您的浏览器不支持</canvas>
<script>
var canvas=document.getElementById("canvas");
var context=canvas.getContext("2d");
//在此处编写代码
context.translate(300, 300);
context.arc(0, 0, 200, Math.PI / 180 * 0, Math.PI / 180 * 360, true);
context.fillStyle='pink';
context.fill();
context.beginPath();
for (var i = 0 ; i < 4 ; i++) {
context.moveTo(200, 0);
context.lineTo(180, 0);
context.rotate(Math.PI / 180 * 90);
}
context.stroke();
context.beginPath();
context.moveTo(0, 0);
context.lineTo(0, -130);
context.stroke();
context.beginPath();
context.moveTo(0, 0);
context.lineTo(160, 0);
context.stroke();
</script>
</body>
</html>1回答
代码实现效果是可以的,但是时针和分针是蓝色的,可以添加一下:

祝学习愉快!