lzxt/app/admin/model/store/StoreProduct.php

<?php
/**
 * @author: xaboy<365615158@qq.com>
 * @day: 2017/11/11
 */

namespace app\admin\model\store;

use crmeb\basic\BaseModel;
use app\models\store\StoreCart;
use crmeb\services\PHPExcelService;
use crmeb\traits\ModelTrait;
use app\admin\model\order\StoreOrder;
use app\admin\model\store\StoreCategory as CategoryModel;
use app\admin\model\ump\{StoreBargain, StoreCombination, StoreSeckill};

/**
 * 产品管理 model
 * Class StoreProduct
 * @package app\admin\model\store
 */
class StoreProduct extends BaseModel
{

    /**
     * 数据表主键
     * @var string
     */
    protected $pk = 'id';

    /**
     * 模型名称
     * @var string
     */
    protected $name = 'store_product';

    use ModelTrait;

    public function getDescriptionAttr($value)
    {
        return htmlspecialchars_decode($value);
    }

    /**删除产品
     * @param $id
     */
    public static function proDelete($id)
    {
//        //删除产品
//        //删除属性
//        //删除秒杀
//        //删除拼团
//        //删除砍价
//        //删除拼团
//        $model=new self();
//        self::beginTrans();
//        $res0 = $model::del($id);
//        $res1 = StoreSeckillModel::where(['product_id'=>$id])->delete();
//        $res2 = StoreCombinationModel::where(['product_id'=>$id])->delete();
//        $res3 = StoreBargainModel::where(['product_id'=>$id])->delete();
//        //。。。。
//        $res = $res0 && $res1 && $res2 && $res3;
//        self::checkTrans($res);
//        return $res;
    }

    /**
     * 获取连表查询条件
     * @param $type
     * @return array
     */
    public static function setData($type)
    {
        switch ((int)$type) {
            case 1:
                $data = ['p.is_show' => 1, 'p.is_del' => 0];
                break;
            case 2:
                $data = ['p.is_show' => 0, 'p.is_del' => 0];
                break;
            case 3:
                $data = ['p.is_del' => 0];
                break;
            case 4:
                $data = ['p.is_show' => 1, 'p.is_del' => 0, 'pav.stock|p.stock' => 0];
                break;
            case 5:
                $data = ['p.is_show' => 1, 'p.is_del' => 0];
                break;
            case 6:
                $data = ['p.is_del' => 1];
                break;
        };
        return isset($data) ? $data : [];
    }

    /**
     * 获取连表MOdel
     * @param $model
     * @return object
     */
    public static function getModelObject($where = [])
    {
        $model = new self();
        $model = $model->alias('p')->join('StoreProductAttrValue pav', 'p.id=pav.product_id', 'LEFT');
        if (!empty($where)) {
            $model = $model->group('p.id');
            if (isset($where['type']) && $where['type'] != '' && ($data = self::setData($where['type']))) {
                if ($where['type'] == 5) {
                    $store_stock = sys_config('store_stock');
                    if ($store_stock < 0) $store_stock = 2;
                    $model = $model->where($data)->where('p.stock', '<=', $store_stock);
                } else {
                    $model = $model->where($data);
                }
            }
            if (isset($where['store_name']) && $where['store_name'] != '') {
                $model = $model->where('p.store_name|p.keyword|p.id', 'LIKE', "%$where[store_name]%");
            }
            if (isset($where['cate_id']) && trim($where['cate_id']) != '') {
                $catid1 = $where['cate_id'] . ',';//匹配最前面的cateid
                $catid2 = ',' . $where['cate_id'] . ',';//匹配中间的cateid
                $catid3 = ',' . $where['cate_id'];//匹配后面的cateid
                $catid4 = $where['cate_id'];//匹配全等的cateid
//                $model = $model->whereOr('p.cate_id','LIKE',["%$catid%",$catidab]);
                $sql = " LIKE '$catid1%' OR `cate_id` LIKE '%$catid2%' OR `cate_id` LIKE '%$catid3' OR `cate_id`=$catid4";
                $model->where(self::getPidSql($where['cate_id']));
            }
            if (isset($where['order']) && $where['order'] != '') {
                $model = $model->order(self::setOrder($where['order']));
            } else {
                $model = $model->order('p.sort desc,p.id desc');
            }
            if (isset($where['mer_id'])&& $where['mer_id'] != ''){
                $model = $model->where('mer_id', $where['mer_id']);
            }
        }
        return $model;
    }

    /**根据cateid查询产品 拼sql语句
     * @param $cateid
     * @return string
     */
    protected static function getCateSql($cateid)
    {
        $lcateid = $cateid . ',%';//匹配最前面的cateid
        $ccatid  = '%,' . $cateid . ',%';//匹配中间的cateid
        $ratidid = '%,' . $cateid;//匹配后面的cateid
        return " `cate_id` LIKE '$lcateid' OR `cate_id` LIKE '$ccatid' OR `cate_id` LIKE '$ratidid' OR `cate_id`=$cateid";
    }

    /** 如果有子分类查询子分类获取拼接查询sql
     * @param $cateid
     * @return string
     */
    protected static function getPidSql($cateid)
    {

        $sql = self::getCateSql($cateid);
        $ids = CategoryModel::where('pid', $cateid)->column('id', 'id');
        //查询如果有子分类获取子分类查询sql语句
        if ($ids) foreach ($ids as $v) $sql .= " OR " . self::getcatesql($v);
        return $sql;
    }

    /**
     * 获取产品列表
     * @param $where
     * @return array
     */
    public static function ProductList($where)
    {
        $model = self::getModelObject($where)->field(['p.*', 'sum(pav.stock) as vstock']);
        if ($where['excel'] == 0) $model = $model->page((int)$where['page'], (int)$where['limit']);
        $data = ($data = $model->select()) && count($data) ? $data->toArray() : [];
        foreach ($data as &$item) {
            $cateName           = CategoryModel::where('id', 'IN', $item['cate_id'])->column('cate_name', 'id');
            $item['cate_name']  = is_array($cateName) ? implode(',', $cateName) : '';
            $item['collect']    = StoreProductRelation::where('product_id', $item['id'])->where('type', 'collect')->count();//收藏
            $item['like']       = StoreProductRelation::where('product_id', $item['id'])->where('type', 'like')->count();//点赞
            $item['stock']      = self::getStock($item['id']) > 0 ? self::getStock($item['id']) : $item['stock'];//库存
            $item['stock_attr'] = self::getStock($item['id']) > 0 ? true : false;//库存
            $item['sales_attr'] = self::getSales($item['id']);//属性销量
            $item['visitor']    = StoreVisit::where('product_id', $item['id'])->where('product_type', 'product')->count();
        }
        unset($item);
        if ($where['excel'] == 1) {
            $export = [];
            foreach ($data as $index => $item) {
                $export[] = [
                    $item['store_name'],
                    $item['store_info'],
                    $item['cate_name'],
                    '￥' . $item['price'],
                    $item['stock'],
                    $item['sales'],
                    $item['like'],
                    $item['collect']
                ];
            }
            PHPExcelService::setExcelHeader(['产品名称', '产品简介', '产品分类', '价格', '库存', '销量', '点赞人数', '收藏人数'])
                ->setExcelTile('产品导出', '产品信息' . time(), ' 生成时间：' . date('Y-m-d H:i:s', time()))
                ->setExcelContent($export)
                ->ExcelSave();
        }
        $count = self::getModelObject($where)->count();
        return compact('count', 'data');
    }

    public static function getChatrdata($type, $data)
    {
        $legdata   = ['销量', '数量', '点赞', '收藏'];
        $model     = self::setWhereType(self::order('un_time asc,id desc'), $type);
        $list      = self::getModelTime(compact('data'), $model)
            ->field('FROM_UNIXTIME(add_time,"%Y-%c-%d") as un_time,count(id) as count,sum(sales) as sales')
            ->group('un_time')
            ->distinct(true)
            ->select()
            ->each(function ($item) use ($data) {
                $item['collect'] = self::getModelTime(compact('data'), new StoreProductRelation)->where('type', 'collect')->count();
                $item['like']    = self::getModelTime(compact('data'), new StoreProductRelation)->where('type', 'like')->count();
            })->toArray();
        $chatrList = [];
        $datetime  = [];
        $data_item = [];
        $itemList  = [0 => [], 1 => [], 2 => [], 3 => []];
        foreach ($list as $item) {
            $itemList[0][] = $item['sales'];
            $itemList[1][] = $item['count'];
            $itemList[2][] = $item['like'];
            $itemList[3][] = $item['collect'];
            array_push($datetime, $item['un_time']);
        }
        foreach ($legdata as $key => $leg) {
            $data_item['name'] = $leg;
            $data_item['type'] = 'line';
            $data_item['data'] = $itemList[$key];
            $chatrList[]       = $data_item;
            unset($data_item);
        }
        unset($leg);
        $badge = self::getbadge(compact('data'), $type);
        $count = self::setWhereType(self::getModelTime(compact('data'), new self()), $type)->count();
        return compact('datetime', 'chatrList', 'legdata', 'badge', 'count');

    }

    //获取 badge 内容
    public static function getbadge($where, $type)
    {
        $replenishment_num = sys_config('replenishment_num');
        $replenishment_num = $replenishment_num > 0 ? $replenishment_num : 20;
        $sum               = [];
        $lack              = 0;

        //获取普通产品缺货
        $stock1    = self::getModelTime($where, new self())->where('stock', '<', $replenishment_num)->column('stock', 'id');
        $sum_stock = self::where('stock', '<', $replenishment_num)->column('stock', 'id');
        $stk       = [];
        foreach ($stock1 as $item) {
            $stk[] = $replenishment_num - $item;
        }
        $lack = bcadd($lack, array_sum($stk), 0);
        foreach ($sum_stock as $val) {
            $sum[] = $replenishment_num - $val;
        }
        unset($stk, $sum_stock, $stock1);

        //获取砍价缺货产品
        $stock1    = self::getModelTime($where, new StoreBargain())->where('stock', '<', $replenishment_num)->column('stock', 'id');
        $sum_stock = StoreBargain::where('stock', '<', $replenishment_num)->column('stock', 'id');
        $stk       = [];
        foreach ($stock1 as $item) {
            $stk[] = $replenishment_num - $item;
        }
        $lack = bcadd($lack, array_sum($stk), 0);
        foreach ($sum_stock as $val) {
            $sum[] = $replenishment_num - $val;
        }
        unset($stk, $sum_stock, $stock1);

        //获取拼团缺货产品
        $stock1    = self::getModelTime($where, new StoreCombination())->where('stock', '<', $replenishment_num)->column('stock', 'id');
        $sum_stock = StoreCombination::where('stock', '<', $replenishment_num)->column('stock', 'id');
        $stk       = [];
        foreach ($stock1 as $item) {
            $stk[] = $replenishment_num - $item;
        }
        $lack = bcadd($lack, array_sum($stk), 0);
        foreach ($sum_stock as $val) {
            $sum[] = $replenishment_num - $val;
        }
        unset($stk, $sum_stock, $stock1);

        return [
            [
                'name'             => '商品种类',
                'field'            => '件',
                'count'            => self::setWhereType(new self(), $type)->where('add_time', '<', mktime(0, 0, 0, date('m'), date('d'), date('Y')))->count(),
                'content'          => '商品数量总数',
                'background_color' => 'layui-bg-blue',
                'sum'              => self::count(),
                'class'            => 'fa fa fa-ioxhost',
            ],
            [
                'name'             => '商品总数',
                'field'            => '件',
                'count'            => self::setWhereType(self::getModelTime($where, new self), $type)->sum('stock'),
                'content'          => '商品总数',
                'background_color' => 'layui-bg-cyan',
                'sum'              => self::where('is_new', 1)->sum('stock'),
                'class'            => 'fa fa-line-chart',
            ],
            [
                'name'             => '活动商品',
                'field'            => '件',
                'count'            => self::getActivityProductSum($where),
                'content'          => '活动商品总数',
                'background_color' => 'layui-bg-green',
                'sum'              => self::getActivityProductSum(),
                'class'            => 'fa fa-bar-chart',
            ],
            [
                'name'             => '缺货商品',
                'field'            => '件',
                'count'            => $lack,
                'content'          => '总商品数量',
                'background_color' => 'layui-bg-orange',
                'sum'              => array_sum($sum),
                'class'            => 'fa fa-cube',
            ],
        ];
    }

    /*
     * 获取活动产品总和
     * @param array $where 查询条件
     * */
    public static function getActivityProductSum($where = false)
    {
        if ($where) {
            $bargain = self::getModelTime($where, new StoreBargain())->sum('stock');
            $pink    = self::getModelTime($where, new StoreCombination())->sum('stock');
            $seckill = self::getModelTime($where, new StoreSeckill())->sum('stock');
        } else {
            $bargain = StoreBargain::sum('stock');
            $pink    = StoreCombination::sum('stock');
            $seckill = StoreSeckill::sum('stock');
        }
        return bcadd(bcadd($bargain, $pink, 0), $seckill, 0);
    }

    public static function setWhereType($model, $type)
    {
        switch ($type) {
            case 1:
                $data = ['is_show' => 1, 'is_del' => 0];
                break;
            case 2:
                $data = ['is_show' => 0, 'is_del' => 0];
                break;
            case 3:
                $data = ['is_del' => 0];
                break;
            case 4:
                $data = ['is_show' => 1, 'is_del' => 0, 'stock' => 0];
                break;
            case 5:
                $data = ['is_show' => 1, 'is_del' => 0, 'stock' => ['elt', 1]];
                break;
            case 6:
                $data = ['is_del' => 1];
                break;
        }
        if (isset($data)) $model = $model->where($data);
        return $model;
    }

    /*
     * layui-bg-red 红 layui-bg-orange 黄 layui-bg-green 绿 layui-bg-blue 蓝 layui-bg-cyan 黑
     * 销量排行 top 10
     */
    public static function getMaxList($where)
    {
        $classs = ['layui-bg-red', 'layui-bg-orange', 'layui-bg-green', 'layui-bg-blue', 'layui-bg-cyan'];
        $model  = StoreOrder::alias('a')->join('StoreOrderCartInfo c', 'a.id=c.oid')->join('store_product b', 'b.id=c.product_id');
        $list   = self::getModelTime($where, $model, 'a.add_time')
            ->group('c.product_id')
            ->order('p_count desc')
            ->limit(10)
            ->field(['count(c.product_id) as p_count', 'b.store_name', 'sum(b.price) as sum_price'])
            ->select();
        if (count($list)) $list = $list->toArray();
        $maxList   = [];
        $sum_count = 0;
        $sum_price = 0;
        foreach ($list as $item) {
            $sum_count += $item['p_count'];
            $sum_price = bcadd($sum_price, $item['sum_price'], 2);
        }
        unset($item);
        foreach ($list as $key => &$item) {
            $item['w']          = bcdiv($item['p_count'], $sum_count, 2) * 100;
            $item['class']      = isset($classs[$key]) ? $classs[$key] : (isset($classs[$key - count($classs)]) ? $classs[$key - count($classs)] : '');
            $item['store_name'] = self::getSubstrUTf8($item['store_name']);
        }
        $maxList['sum_count'] = $sum_count;
        $maxList['sum_price'] = $sum_price;
        $maxList['list']      = $list;
        return $maxList;
    }

    //获取利润
    public static function ProfityTop10($where)
    {
        $classs = ['layui-bg-red', 'layui-bg-orange', 'layui-bg-green', 'layui-bg-blue', 'layui-bg-cyan'];
        $model  = StoreOrder::alias('a')
            ->join('StoreOrderCartInfo c', 'a.id=c.oid')
            ->join('store_product b', 'b.id=c.product_id')
            ->where('b.is_show', 1)
            ->where('b.is_del', 0);
        $list = self::getModelTime($where, $model, 'a.add_time')
            ->group('c.product_id')
            ->order('profity desc')
            ->limit(10)
            ->field(['count(c.product_id) as p_count', 'b.store_name', 'sum(b.price) as sum_price', '(b.price-b.cost) as profity'])
            ->select();
        if (count($list)) $list = $list->toArray();
        $maxList   = [];
        $sum_count = 0;
        $sum_price = 0;
        foreach ($list as $item) {
            $sum_count += $item['p_count'];
            $sum_price = bcadd($sum_price, $item['sum_price'], 2);
        }
        foreach ($list as $key => &$item) {
            $item['w']          = bcdiv($item['sum_price'], $sum_price, 2) * 100;
            $item['class']      = isset($classs[$key]) ? $classs[$key] : (isset($classs[$key - count($classs)]) ? $classs[$key - count($classs)] : '');
            $item['store_name'] = self::getSubstrUTf8($item['store_name'], 30);
        }
        $maxList['sum_count'] = $sum_count;
        $maxList['sum_price'] = $sum_price;
        $maxList['list']      = $list;
        return $maxList;
    }

    //获取缺货
    public static function getLackList($where)
    {
        $replenishment_num = sys_config('replenishment_num');
        $replenishment_num = $replenishment_num > 0 ? $replenishment_num : 20;
        $list              = self::where('stock', '<', $replenishment_num)->field(['id', 'store_name', 'stock', 'price'])->page((int)$where['page'], (int)$where['limit'])->order('stock asc')->select();
        if (count($list)) $list = $list->toArray();
        $count = self::where('stock', '<', $replenishment_num)->count();
        return ['count' => $count, 'data' => $list];
    }

    //获取差评
    public static function getnegativelist($where)
    {
        $list = self::alias('s')->join('StoreProductReply r', 's.id=r.product_id')
            ->field('s.id,s.store_name,s.price,count(r.product_id) as count')
            ->page((int)$where['page'], (int)$where['limit'])
            ->where('r.product_score', 1)
            ->order('count desc')
            ->group('r.product_id')
            ->select();
        if (count($list)) $list = $list->toArray();
        $count = self::alias('s')->join('StoreProductReply r', 's.id=r.product_id')->group('r.product_id')->where('r.product_score', 1)->count();
        return ['count' => $count, 'data' => $list];
    }

    public static function TuiProductList()
    {
        $perd = StoreOrder::alias('s')->join('StoreOrderCartInfo c', 's.id=c.oid')
            ->field('count(c.product_id) as count,c.product_id as id')
            ->group('c.product_id')
            ->where('s.status', -1)
            ->order('count desc')
            ->limit(10)
            ->select();
        if (count($perd)) $perd = $perd->toArray();
        foreach ($perd as &$item) {
            $item['store_name'] = self::where(['id' => $item['id']])->value('store_name');
            $item['price']      = self::where(['id' => $item['id']])->value('price');
        }
        return $perd;
    }

    //编辑库存
    public static function changeStock($stock, $productId)
    {
        return self::edit(compact('stock'), $productId);
    }

    //获取库存数量
    public static function getStock($productId)
    {
        return StoreProductAttrValue::where(['product_id' => $productId])->sum('stock');
    }

    //获取总销量
    public static function getSales($productId)
    {
        return StoreProductAttrValue::where(['product_id' => $productId])->sum('sales');
    }

    public static function getTierList($model = null)
    {
        if ($model === null) $model = new self();
        return $model->field('id,store_name')->where('is_del', 0)->select()->toArray();
    }

    /**
     * 设置查询条件
     * @param array $where
     * @return array
     */
    public static function setWhere($where)
    {
        $time['data'] = '';
        if (isset($where['start_time']) && $where['start_time'] != '' && isset($where['end_time']) && $where['end_time'] != '') {
            $time['data'] = $where['start_time'] . ' - ' . $where['end_time'];
        } else {
            $time['data'] = isset($where['data']) ? $where['data'] : '';
        }
        $model = self::getModelTime($time, StoreCart::alias('a')->join('store_product b', 'a.product_id=b.id'), 'a.add_time');
        if (isset($where['title']) && $where['title'] != '') {
            $model = $model->where('b.store_name|b.id', 'like', "%$where[title]%");
        }
        return $model;
    }

    /**
     * 获取真实销量排行
     * @param array $where
     * @return array
     */
    public static function getSaleslists($where)
    {
        $data  = self::setWhere($where)
            ->where('a.is_pay', 1)
            ->group('a.product_id')
            ->field(['sum(a.cart_num) * b.price as sum_price', 'sum(a.cart_num) as num_product', 'b.store_name',
                'b.image', 'b.price', 'b.id'])
            ->order('num_product desc')
            ->whereIn('a.product_id', function ($query) {
                $query->name('store_order_cart_info')->alias('k')->join('store_order q', 'q.id = k.oid')
                    ->where(['q.paid' => 1, 'q.refund_status' => 0])->field('k.product_id')->select();
            })
            ->page((int)$where['page'], (int)$where['limit'])
            ->select();
        $count = self::setWhere($where)->where('a.is_pay', 1)->group('a.product_id')->count();
        $data  = count($data) ? $data->toArray() : [];
        return compact('data', 'count');
    }

    public static function SaveProductExport($where)
    {
        $list   = self::setWhere($where)
            ->where('a.is_pay', 1)
            ->field(['sum(a.cart_num) as num_product', 'b.store_name', 'b.image', 'b.price', 'b.id'])
            ->order('num_product desc')
            ->group('a.product_id')
            ->select();
        $export = [];
        foreach ($list as $item) {
            $export[] = [
                $item['id'],
                $item['store_name'],
                $item['price'],
                bcmul($item['num_product'], $item['price'], 2),
                $item['num_product'],
            ];
        }
        PHPExcelService::setExcelHeader(['商品编号', '商品名称', '商品售价', '销售额', '销量'])
            ->setExcelTile('产品销量排行', '产品销量排行', ' 生成时间：' . date('Y-m-d H:i:s', time()))
            ->setExcelContent($export)
            ->ExcelSave();
    }

    /*
     *  单个商品详情的头部查询
     *  $id 商品id
     *  $where 条件
     */
    public static function getProductBadgeList($id, $where)
    {
        $data['data'] = $where;
        $list         = self::setWhere($data)
            ->field(['sum(a.cart_num) as num_product', 'b.id', 'b.price'])
            ->where('a.is_pay', 1)
            ->group('a.product_id')
            ->order('num_product desc')
            ->select();
        //排名
        $ranking = 0;
        //销量
        $xiaoliang = 0;
        //销售额 数组
        $list_price = [];
        foreach ($list as $key => $item) {
            if ($item['id'] == $id) {
                $ranking   = $key + 1;
                $xiaoliang = $item['num_product'];
            }
            $value['sum_price'] = $item['price'] * $item['num_product'];
            $value['id']        = $item['id'];
            $list_price[]       = $value;
        }
        //排序
        $list_price = self::my_sort($list_price, 'sum_price', SORT_DESC);
        //销售额排名
        $rank_price = 0;
        //当前销售额
        $num_price = 0;
        if ($list_price !== false && is_array($list_price)) {
            foreach ($list_price as $key => $item) {
                if ($item['id'] == $id) {
                    $num_price  = $item['sum_price'];
                    $rank_price = $key + 1;
                    continue;
                }
            }
        }
        return [
            [
                'name'             => '销售额排名',
                'field'            => '名',
                'count'            => $rank_price,
                'background_color' => 'layui-bg-blue',
            ],
            [
                'name'             => '销量排名',
                'field'            => '名',
                'count'            => $ranking,
                'background_color' => 'layui-bg-blue',
            ],
            [
                'name'             => '商品销量',
                'field'            => '名',
                'count'            => $xiaoliang,
                'background_color' => 'layui-bg-blue',
            ],
            [
                'name'             => '点赞次数',
                'field'            => '个',
                'count'            => StoreProductRelation::where('product_id', $id)->where('type', 'like')->count(),
                'background_color' => 'layui-bg-blue',
            ],
            [
                'name'             => '销售总额',
                'field'            => '元',
                'count'            => $num_price,
                'background_color' => 'layui-bg-blue',
                'col'              => 12,
            ],
        ];
    }

    /*
     * 处理二维数组排序
     * $arrays 需要处理的数组
     * $sort_key 需要处理的key名
     * $sort_order 排序方式
     * $sort_type 类型 可不填写
     */
    public static function my_sort($arrays, $sort_key, $sort_order = SORT_ASC, $sort_type = SORT_NUMERIC)
    {
        if (is_array($arrays)) {
            foreach ($arrays as $array) {
                if (is_array($array)) {
                    $key_arrays[] = $array[$sort_key];
                } else {
                    return false;
                }
            }
        }
        if (isset($key_arrays)) {
            array_multisort($key_arrays, $sort_order, $sort_type, $arrays);
            return $arrays;
        }
        return false;
    }

    /*
     * 查询单个商品的销量曲线图
     *
     */
    public static function getProductCurve($where)
    {
        $list       = self::setWhere($where)
            ->where('a.product_id', $where['id'])
            ->where('a.is_pay', 1)
            ->field(['FROM_UNIXTIME(a.add_time,"%Y-%m-%d") as _add_time', 'sum(a.cart_num) as num'])
            ->group('_add_time')
            ->order('_add_time asc')
            ->select();
        $seriesdata = [];
        $date       = [];
        $zoom       = '';
        foreach ($list as $item) {
            $date[]       = $item['_add_time'];
            $seriesdata[] = $item['num'];
        }
        if (count($date) > $where['limit']) $zoom = $date[$where['limit'] - 5];
        return compact('seriesdata', 'date', 'zoom');
    }

    /*
     * 查询单个商品的销售列表
     *
     */
    public static function getSalelList($where)
    {
        return self::setWhere($where)
            ->where('a.product_id', $where['id'])
            ->where('a.is_pay', 1)
            ->join('user c', 'c.uid=a.uid')
            ->field(['FROM_UNIXTIME(a.add_time,"%Y-%m-%d") as _add_time', 'c.nickname', 'b.price', 'a.id', 'a.cart_num as num'])
            ->page((int)$where['page'], (int)$where['limit'])
            ->select();
    }

    /**
     * TODO 获取某个字段值
     * @param $id
     * @param string $field
     * @return mixed
     */
    public static function getProductField($id, $field = 'store_name')
    {
        return self::where('id', $id)->value($field);
    }
}