html5-canvas绘制钟表代码 |
发布时间: 2012/8/20 18:07:26 |
<!DOCTYPE HTML>
<mate charset="utf-8" />
<head>
<title>html5-canvas-clock</title>
<style> 电脑知识www.boydavid.com #canvas{ margin:0 auto; display:block;} </style> 电脑常识www.boydavid.com <script> window.onload=function(){
var canvas=document.getElementById('canvas');
if(canvas==null){ 电脑硬件www.boydavid.com return false;
} var context=canvas.getContext('2d');
//创建画布 电脑软件www.boydavid.com context.fillStyle='#eeeeff';
context.fillRect(0,0,200,200);
//开始路径 电脑入门www.boydavid.com context.beginPath();
//画外圆 电脑软件www.boydavid.com context.arc(100,100,99,0,2*Math.PI,false);
//画内圆www.boydavid.com 计算机爱好者www.boydavid.com context.moveTo(194,100);
context.arc(100,100,94,0,2*Math.PI,false);
//秒针 电脑软件www.boydavid.com context.moveTo(100,100); context.lineTo(50,180);
//分针
context.moveTo(100,100);
context.lineTo(100,15); //时针 电脑软件www.boydavid.com context.moveTo(100,100); 电脑硬件www.boydavid.com context.lineTo(35,100); context.stroke();
}
</script> </head> 计算机学习网站www.boydavid.com <body> 电脑软件www.boydavid.com <canvas id='canvas' width="200" height="200"></canvas> 本文出自:亿恩科技【www.enkj.com】 |