Javascript touch事件实现

coolerbaosi

浏览: 766975 次

最近访客更多访客>>

yzwik

u012363178

ithinkch

KevinLoveDev

博主相关

博客

微博

相册

留言

关于我

文章分类

全部博客 (1279)

社区版块

存档分类

2013-08 ( 46)
2013-07 ( 76)
2013-06 ( 46)
更多存档...

<!DOCTYPE html PUBLIC "-//W3C//DTDXHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<title></title>
<script type="text/javascript">

window.onload = function() {
	document.addEventListener("touchstart",touchStart, false);
	document.addEventListener("touchend",touchEnd, false);
	document.addEventListener("touchmove",touchMove, false);
}
 
function touchStart(event) {
	Ev= event || window.event;  
	var touchPos = touchCoords(Ev); 
	
	var eventx = document.getElementById("eventx");
	eventx.value = touchPos.x;
	var eventy = document.getElementById("eventy");
	eventy.value = touchPos.y;
	  
	var textmsg = document.getElementById("eventmsg");
	textmsg.value = "down";

}
 
function touchEnd(event) {

	var textmsg = document.getElementById("eventmsg");
	textmsg.value = "up";

}

function touchMove(event) {
	
	Ev= event || window.event;  
	var touchPos = touchCoords(Ev); 
	
	var eventx = document.getElementById("eventx");
	eventx.value = touchPos.x;
	var eventy = document.getElementById("eventy");
	eventy.value = touchPos.y;
	
	var textmsg = document.getElementById("eventmsg");
	textmsg.value = "move";

}

function touchCoords(ev)  
{  
	if(ev.pageX || ev.pageY){  
		return {x:ev.pageX, y:ev.pageY};  
	}  
	return{  
		x:ev.clientX + document.body.scrollLeft - document.body.clientLeft,  
		y:ev.clientY + document.body.scrollTop - document.body.clientTop  
	};  
}  

</script>
</head>
 
<body>
   <table>
       <tr>
           <td>
                <table>
                    <tr>
                        <td><input type="text" id="eventmsg" size=10></input></td>
                        <td><input type="text" id="eventx" size=10></input></td>
                        <td><input type="text" id="eventy" size=10></input></td>
                    </tr>
                    
                </table>
           </td>
       </tr>
   </table>
</div>
</body>
</html>

分享到：