<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>绘制阴影</title>
</head>
<body>
<canvas id="myCanvas" width="500" height="400" style="border:3px dashed #0094ff;"></canvas>
<script>
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
//设置阴影的模糊度
ctx.shadowBlur = 10;
//设置阴影的颜色
ctx.shadowColor = "#f00";
//设置阴影在X、Y方向的偏移
ctx.shadowOffsetX =6;
ctx.shadowOffsetY = -5;
ctx.strokeStyle = "#ff0";
ctx.font = "50px 黑体";
ctx.textBaseline = "top";
ctx.strokeText("阴影文字小蕾", 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>