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Javascript获得鼠标点击图片的坐标

2010-06-12 15:24 477 查看

转载来自 Ferry's Blog!

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>无标题页</title>
<script language="javascript">

function mousePosition(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
};
}

function mouseMove(ev){
ev = ev || window.event;
var mousePos = mousePosition(ev);
document.getElementById('xxx').value = mousePos.x;
document.getElementById('yyy').value = mousePos.y;
}

document.onmousemove = mouseMove;

function Show(el){
var x = parseInt(document.getElementById('xxx').value)-el.offsetLeft;
var y = parseInt(document.getElementById('yyy').value)-el.offsetTop;
x = "X:"+x;
y = "Y:"+y;
alert(x+","+y);
}

</script>

</head>
<body>
X:<input id="xxx" type="text" /> Y:<input id="yyy" type="text" />
<img id="imgPic" src="CPU.jpg" onclick="Show(this)" />
</body>
</html>

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