有人可以帮我吗?这可能是我忽略的一些简单的事情:
<script src="http://jqueryui.com/ui/jquery.ui.core.js"></script>
<script src="http://jqueryui.com/ui/jquery.ui.widget.js"></script>
<script src="http://jqueryui.com/ui/jquery.ui.mouse.js"></script>
<script src="http://jqueryui.com/ui/jquery.ui.draggable.js"></script>
<script>
$(function() {
$( "#draggable" ).draggable();
});
</script>
<div id="draggable" class="ui-widget-content"
style="position:absolute;width:150px;height:210px;left:2%;top:40%;background-color:#eeeeee;border-radius:12px;border:solid 1px black;font-size:17px;text-align:center">
</div>
http://jqueryui.com/demos/draggable/#default