<div class="contents " style="overflow: hidden;">
    <div class="scroll-box">
     <ul class="list clar">
         {volist name="articleinfo" id="item"}
            <li>
                   <div class="art">
                       <img src="{$item.thumb.0.file}" alt="" width="210px" height="150px">
                       <div class="art-content">
                           <h1 class="title" style="line-height:20px;margin:0px;padding:0px;margin-bottom:23px;margin-top:5px;">{$item.title}</h1>
                           <p style="margin:0px;padding:0px;line-height:10px;">来源：{$item.source}</p>
                           <p style="margin:0px;padding:0px;line-height:10px;padding-left:20px;font-weight:none">日期：{:date('Y-m-d',$item.sdate)}</p>
                           <p class="text" style="width:95%;margin-top:20px;line-height:30px;color:#444">{$item.desc}</p>
                       </div>
                   </div>
            </li>
        {/volist}
     </ul>
    </div>

<script>

$(function() {
//获得当前<ul>
var $uList = $(".scroll-box ul");
// console.log($uList);
var timer = null;
//触摸清空定时器
$uList.hover(function() {
clearInterval(timer);
},
function() { //离开启动定时器
timer = setInterval(function() {
scrollList($uList);
},
1000);
}).trigger("mouseleave"); //自动触发触摸事件
//滚动动画
function scrollList(obj) {
console.log($(obj).find("ul li:first"));
$(obj).find("li:first").animate({
marginTop: "-20px"
}, 1000, function() {
console.log($(this));
$(this).css({
marginTop: "0px"
}).find("li:first").appendTo(this);　　//函数appendTo()把第一个挪到最后一个　　　　
});
}
}
)