ajax異步加載分頁評論帶點贊功能

<script type="text/javascript" src="__ROOT__/Index/Tpl/Public/js/jquery.js"></script>
<script type="text/javascript" src="__ROOT__/Index/Tpl/Public/js/jquery.cookie.js"></script>

<a class='z' id="{$v.id}" href="javascript:void(0);">贊(<span>{$v.count}</span>)</a> 

//點贊,cookie實現只能點擊一次的效果
           $(".z").live('click',function(){
               var Oa=$(this);
               var id=Oa.attr('id');//獲取id屬性
               var vl=Oa.find("span").text();
                   vl=parseInt(vl)+1;
               if(!$.cookie(id)){
                  $.post('{:U("Index/zan")}',{id:id},function(data){
                     if(data.status==1){
                          alert('謝謝點贊');//模擬異步數據加1
                            $.cookie(id,id);//改變flag初始值，確保函數只執行一次
                            Oa.find("span").text(vl);//頁面元素加1
                     }

                  },'json'); 
                 
               }else{
                   alert('您已經點過贊了,不要重復哦！');
               }
               return fale;
           })

    public function zan(){
       $data['id']=isset($_POST['id'])?intval(trim($_POST['id'])):0;
       $db=M('status');
       if($db->where($data)->setInc('count')){
        $this->ajaxReturn($data,'ok',1);
      }else{
        $this->ajaxReturn($data,'fail',0);
      }
       

    }