代码如下：
<!DOCTYPE html><html lang="utf-8"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><head> ????<title>佛教万字</title> ???</head> ????<body onload="draw()"> ???????<canvas id="myCanvus" width="250px" height="250px" style="border:0px dashed black;"> ???????????出现文字表示你的浏览器不支持HTML5 ???????</canvas> ????</body></html><script type="text/javascript"><!-- ???function draw(){ ???????var canvas=document.getElementById("myCanvus"); ???????var context=canvas.getContext("2d"); ???????context.fillStyle = "red"; ???????context.fillRect(0, 0, 250, 250); ???????context.fillStyle = "black";// 填充黑色 ???????context.fillRect(0, 0, 50, 150);// 填充矩形，参数分别为横坐标，纵坐标，宽高 ???????context.fillRect(50, 100, 200, 50); ???????context.fillRect(200, 150, 50, 100); ???????context.fillRect(100, 0, 150, 50); ???????context.fillRect(100, 50, 50, 200); ???????context.fillRect(0, 200, 100, 50); ???????context.strokeStyle = "yellow";// 描边黄色 ???????context.strokeRect(50, 0, 50, 100);// 描边，参数分别为横坐标，纵坐标，宽高 ???????context.strokeRect(150, 50, 100, 50); ???????context.strokeRect(0, 150, 100, 50); ???????context.strokeRect(150, 150, 50, 100); ???????context.strokeRect(0, 0, 250, 250); ???}//--></script>HTML5 Canvas 描画佛教万字
原文地址：http://www.cnblogs.com/xiandedanteng/p/7467309.html