<span style="font-size:32px;"> var divHot = $("#ItemsTree");
divHot.hover(function () {
//鼠标按上事件
}, function () {
//鼠标经过事件
divHot.slideUp("slow");
});</span>
<span style="font-size:32px;"> var divHot = $("#ItemsTree");
divHot.hover(function () {
//鼠标按上事件
}, function () {
//鼠标经过事件
divHot.slideUp("slow");
});</span>