用jQuery轻松实现Div拖动，只需只行代码，很简单. 试试效果:
hooyes
代码:
<!DOCTYPE html>
<html>
<head>
<title>hooyes Drag demo</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"
type="text/javascript"></script>
<style type="text/css">
.drag{
position:absolute;
width:100px; height:100px;
border:1px solid #96C2F1; background-color: #EFF7FF;
cursor:move; line-height:100px; text-align:center;
}
</style>
<script type="text/javascript">
(function (document) {
//Usage: $("#id").drag()
//Author: hooyes
$.fn.Drag = function () {
var M = false;
var Rx, Ry;
var t = $(this);
t.mousedown(function (event) {
Rx = event.pageX - (parseInt(t.css("left")) || 0);
Ry = event.pageY - (parseInt(t.css("top")) || 0);
t.css("position", "absolute").css('cursor', 'move').fadeTo(20, 0.5);
M = true;
})
.mouseup(function (event) {
M = false; t.fadeTo(20, 1);
});
$(document).mousemove(function (event) {
if (M) {
t.css({ top: event.pageY - Ry, left: event.pageX - Rx });
}
});
}
})(document);$(document).ready(
function () {
$("#Div1").Drag();
});
</script>
</head>
<body>
<div id="Div1" class="drag">hooyes</div>
</body>
</html>
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