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控制器public function index(){
 $tid = I("get.tid"); //产品分类id
        if($tid==""){    
            $tid = M("Proclass")->where(array('pid'=>1,'lang'=>$this->lang))->order("orderby asc")->getField("id");
        }
        //分类名称
        $type_name = M("Proclass")->where(array('id'=>$tid))->getField("proclassname");
        $type_id = M("Proclass")->where(array('id'=>$tid))->getField("id");
        if($tid==1){
            $type_name='所有产品';        
        }
        $this->assign("type_name",$type_name);
        $this->assign("type_id",$type_id);

 //产品列表
$pro_data = $this->getPro($tid,$this->lang,0,1,1,4);
$this->assign("pro_data",$pro_data);
$this->display();
}   

public function prolist_ajax(){
        $start = I("get.start");
        $tid = I("get.tid");
        //查询分类下子分类
        if($tid==""){
            $tid=2;
        }
        $proarr = M("Proclass")->select();
        $proTypeAllId = Getcate::getChildsId($proarr,$tid);
        $proTypeAllId[]=$proTypeId;

        //查询条件
        $where['cid']=array('in',$proTypeAllId);
        $where['isshow']=1;

        //总条数
        $total_count = M("Product")->where($where)->order("orderby ASC")->count();
        //每页条数
        $size = 4;        
        //总页数
        $total_pages = ceil($total_count/$size);
        if($start<=$total_pages){
            $data = M("Product")->where($where)->limit(($start-1)*$size,$size)->order("orderby ASC")->select();
        }
        
        //改变日期格式
        foreach($data as $k=>$vo){
            $data[$k][type_id] = M("Proclass")->where(array('id'=>$vo[cid]))->getField("id");
        }

        echo json_encode($data);
        // $this -> ajaxReturn($data);
    }

index.php <div class="w1200 main cr">
<div class="tit"><span class="sp-cn"><{$type_name}></span></div>
<ul class="case">
<volist name="pro_data" id="vo">
<li>
<a href="<{:U('Product/proinfo',array('id'=>$vo[id],'pid'=>$type_id))}>">
<img src="__PUBLIC__/Uploads/Product/<{$vo.prophoto}>" alt="">
<div class="mask"><span class="litit"><{$vo.proname}></span></div>
</a>
</li>
</volist>
</ul>
<div class="cr"></div>
<a href="javascript:;" class="more" onclick="jzgd(<{$Think.get.tid}>)">探索更多</a>
</div>
----------------------------------------
<script type="text/javascript">
var $start=2;
function jzgd(tid){
var start=$start;
var tid=tid;
var pro_str = '';
$.get("<{:U('Product/prolist_ajax')}>",{start:start,tid:tid},function(data){
if(data==null){
alert("已经没有更多数据啦！");
return false;
};
$.each(data,function(k,v){
pro_str += '<li><a href="http://localhost/yonggu2/web/index.php?s=/Product/proinfo/id/'+v.id+'/pid/'+v.type_id+'"><img src="__PUBLIC__/Uploads/Product/'+v.prophoto+'" alt=""><div class="mask"><span class="litit">'+v.proname+'</span></div></a></li>';

})
$(".case").append(pro_str);

$start++;
},'JSON');
}

</script>