日期:2014-05-17 浏览次数:20727 次
<!DOCTYPE HTML>
<html>
<head>
<title>PhoneGap</title>
<script type="text/javascript" charset="utf-8" src="phonegap.js"></script>
<script type="text/javascript" src="jquery-1.5.1.js"></script>
</head>
<body>
<canvas id='simple' width='600px' height='600px'>浏览器不支持canvas</canvas>
<script>
var canvas=null,context=null;
function resetCanvas(){
canvas=document.getElementById('simple');
context=canvas.getContext('2d');
}
$(document).ready(function(){
resetCanvas();
canvas.addEventListener('touchstart',function(evt){
evt.preventDefault();
context.beginPath();
context.moveTo(evt.touches[0].pageX,evt.touches[0].pageY);
},false);
canvas.addEventListener('touchmove',function(evt){
context.lineTo(evt.touches[0].pageX,evt.touches[0].pageY);
context.stroke();
},false);
canvas.addEventListener('touchend',function(evt){
},false);
});
</script>
</body>
</html>