<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>画布（Canvas）测试</title>
</head>
<body>
<h2>画布（Canvas）测试</h2>
<canvas id="miCanvas" width="200" height="100" style="border:1px solid #d3d3d3;">您的浏览器不支持 HTML5 canvas 标签。</canvas>
<script type="text/javascript">
var c = document.getElementById("miCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();
// 画圆
// arc(x,y,r,start,stop)
ctx.arc(100, 50, 30, 0, 2*Math.PI);
ctx.stroke();
// 文本
ctx.font = "30px Arial";
// fillText(text,x,y)
ctx.fillText("hi, jzh", 10, 50);
</script>
</body>
</html>
