<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>绘制阴影</title>
</head>
<body>
<canvas , 100, 10)
ctx.fillStyle = "#ff0";
ctx.font = "50px 黑体";
ctx.textBaseline = "top";
ctx.fillText("阴影文字小蕾", 100, 120)
ctx.fillRect(20, 200, 100, 150);
ctx.lineWidth = 8;
ctx.strokeRect(150, 200, 100, 150);
</script>
</body>
</html>