拖曳示例
时间：2007-09-03 来源：PHP爱好者
提示：您可以先修改部分代码再运行
<html>
<head>
<title> Drag Demo 1 </title>
<style type="text/css">
<!--
#drag{
width:100px;
background-color:#eee;
border:1px solid #333;
position:absolute;
top:30px;
left:200px;
text-align:center;
cursor:default;
}
//-->
</style>
<script type="text/javascript">
<!--
window.onload=function(){
drag(document.getElementById('drag'));
};
function drag(o){
o.onmousedown=function(a){
var d=document;if(!a)a=window.event;
var x=a.layerX?a.layerX:a.offsetX,y=a.layerY?a.layerY:a.offsetY;
if(o.setCapture)
o.setCapture();
else if(window.captureEvents)
window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
d.onmousemove=function(a){
if(!a)a=window.event;
if(!a.pageX)a.pageX=a.clientX;
if(!a.pageY)a.pageY=a.clientY;
var tx=a.pageX-x,ty=a.pageY-y;
o.style.left=tx;
o.style.top=ty;
};
d.onmouseup=function(){
if(o.releaseCapture)
o.releaseCapture();
else if(window.captureEvents)
window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
d.onmousemove=null;
d.onmouseup=null;
};
};
}
//-->
</script>
</head>
<body>
<div id="drag">drag me</div>
</body>
</html>
提示：您可以先修改部分代码再运行
<html>
<head>
<title> Drag Demo 1 </title>
<style type="text/css">
<!--
#drag{
width:100px;
background-color:#eee;
border:1px solid #333;
position:absolute;
top:30px;
left:200px;
text-align:center;
cursor:default;
}
//-->
</style>
<script type="text/javascript">
<!--
window.onload=function(){
drag(document.getElementById('drag'));
};
function drag(o){
o.onmousedown=function(a){
var d=document;if(!a)a=window.event;
var x=a.layerX?a.layerX:a.offsetX,y=a.layerY?a.layerY:a.offsetY;
if(o.setCapture)
o.setCapture();
else if(window.captureEvents)
window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
d.onmousemove=function(a){
if(!a)a=window.event;
if(!a.pageX)a.pageX=a.clientX;
if(!a.pageY)a.pageY=a.clientY;
var tx=a.pageX-x,ty=a.pageY-y;
o.style.left=tx;
o.style.top=ty;
};
d.onmouseup=function(){
if(o.releaseCapture)
o.releaseCapture();
else if(window.captureEvents)
window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP);
d.onmousemove=null;
d.onmouseup=null;
};
};
}
//-->
</script>
</head>
<body>
<div id="drag">drag me</div>
</body>
</html>
提示：您可以先修改部分代码再运行
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