ajax下拉分页

ajax分页

$(function () {
        // 滚动监听
        var pag = 1;
        window.onscroll=function(){
            pag++;
            var a = document.documentElement.scrollTop==0? document.body.clientHeight : document.documentElement.clientHeight;
            var b = document.documentElement.scrollTop==0? document.body.scrollTop : document.documentElement.scrollTop;
            var c = document.documentElement.scrollTop==0? document.body.scrollHeight : document.documentElement.scrollHeight;
            if(a+b==c){
                // "0_1_849";
                var item_id = $(".red").data("item");
                get_item_list(item_id,pag);
            }
        }
    });
    function get_item_list(item_id,pag) {
        $.ajax({
            url: '/index.php/api/fileupload/get_item_list',
            type: 'POST',
            dataType: 'json',
            data: {
                item_id: item_id,
                pag: pag,
                num: 8,
            },
            success:function (e) {
                console.log(e);
                if(e.code==1){
                    if(e.data.length<8){
                        // 解除绑定
                        window.onscroll = null;
                    }
                    // 追加数据
                    var tag = '';
                    for (var i = 0; i <=e.data.length - 1 ; i++) {
                        tag += `
                        <li style="position: relative;">
                        <a href="/index.php/Mobile/Goods/goodsInfo/id/${e.data[i].goods_id}">
                        <img src="${e.data[i].image_url}">
                        <p>${e.data[i].goods_name}</p>&nbsp;
                        <div class="lxx_qian">${e.data[i].shop_price}</div>
                        <div class="linethr" style="color:#928b8b;font-size: 0.4rem;font-weight: 600;text-align: left;line-height: 0.9rem;padding-left:26px;">销量:${e.data[i].sales_sum+e.data[i].sales_sum_unreal}</div>
                        <img style="width: 4.4em;height: 4.4em;float: right;position:absolute;bottom:5px;right: 20px" src="data:image/png;base64,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">
                        </a>
                        </li>
                        `;
                    }
                    var index = $(".red").index();
                    index = index+1;
                    $(".branchList:nth-child("+ index +") .tp-category").append(tag);
                }
            }
        })

    }

php

public function get_item_list()
    {
        $item_id  = input('item_id');
        $array = explode('_',$item_id);
        if (isset($array[3])) {
            $item_id = $array[3];
        }
        $num      = input('num');
        $pag      = input('pag');
        $list_data = Db::name('goods')
            ->alias('g')
            ->join('goods_images m', 'g.goods_id=m.goods_id', 'RIGHT')
            ->field('g.goods_id,g.goods_name,g.store_count,g.sales_sum_unreal,g.give_integral,g.sales_sum,g.market_price,g.shop_price,m.image_url')
            ->group('g.goods_id')
            ->where('g.is_on_sale', 1)
            ->where('g.cat_id', $item_id)
            ->limit($num,$pag)
            // ->fetchSql()
            ->select();
            // halt($list_data);
        if (empty($list_data)) {
            return json(['code'=>-1,'msg'=>'已经到底了哟!']);
        }else{
            return json(['code'=>1,'msg'=>'获取成功!','data'=>$list_data]);
        }
    }