麻烦老师检查下
来源：4-10 编程练习
Yuri沫
2020-04-23 13:05:35
<!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.fillStyle = "pink";
context.arc(0,0,150,0,2*Math.PI,false);
context.fill();
for(var i = 0; i < 4; i++){
context.beginPath();
context.rotate(Math.PI / 2);
context.moveTo(140,0);
context.lineTo(150,0);
context.stroke();
}
context.strokeStyle="blue";
context.beginPath();
context.moveTo(0,0);
context.lineTo(120,0);
context.stroke();
context.beginPath();
context.moveTo(0,0);
context.lineTo(10,-80);
context.stroke();
</script>
</body>
</html>
1回答
-
同学你好，代码效果正确。继续加油，祝学习愉快~
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