拖拽删除

来源：互联网发布：中国软件股吧编辑：程序博客网时间：2024/05/22 03:06

<!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></title>
    <style type="text/css">
    #mydiv{ width:900px; background-color:#444;}
    img{ width:200px; height:200px;}
    ul{ list-style-type:none;}
    ul li{ display:inline;}
    </style>
    <script src="Jquery1.7.js" type="text/javascript"></script>
    <script src="jquery.ui.core.js" type="text/javascript"></script>
    <script src="jquery.ui.widget.js" type="text/javascript"></script>
    <script src="jquery.ui.mouse.js" type="text/javascript"></script>
    <script src="jquery.ui.draggable.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            var startleft = 0;
            var starttop = 0;
            $('img').draggable({
                start: function () {
                    startleft = $(this).offset().left;
                    starttop = $(this).offset().top;
                },
                stop: function () {
                    if ($(this).offset().left > $('#mydiv').offset().left + $('#mydiv').width() || $(this).offset().top > $('#mydiv').offset().top + $('#mydiv').height()) {
                        $(this).remove();
                    }
                    else {
                        $(this).offset({
                            left: startleft,
                            top:starttop
                        })
                    }
                }
            });
        })
    </script>
</head>
<body>
<div id="mydiv">
<ul>
<li><img src="images/1.jpg" /></li>
<li><img src="images/2.jpg" /></li>
<li><img src="images/3.jpg" /></li>
<li><img src="images/4.jpg" /></li>
</ul>
</div>
</body>

</html>