gaoyixia/application/common/model/ShoppingTrolley.php

<?php
namespace app\common\model;
use think\Model;
// 购物车
class ShoppingTrolley extends Model
{
    /**
     * 验证商品某规格是否已加入购物车
     */
    public static function checkTrolley($user_id,$goods_id,$spec_id)
    {
        return self::where(['user_id'=>$user_id,'goods_id'=>$goods_id,'spec_id'=>$spec_id])->value('id');
    }

    public  function  goodsSpec()
    {
        return $this->belongsTo('StoreGoodsItem','spec_id')->field('id,goods_id,goods_spec,goods_no,spec_title,cover,is_deleted,original_price,sell_price');
    }

    public function goodsInfo()
    {
        return $this->belongsTo('StoreGoods','goods_id')->field('id,name,cover');
    }


    //获取购物车列表
    public static function getTrolleyList($where)
    {
        $list = static::field('t.id,t.goods_id,t.spec_id,t.goods_no,t.num,goods_spec')
            ->alias('t')
            ->leftJoin('StoreGoodsItem i','i.id = t.spec_id')
            ->where($where)->order('t.id desc')->select()->toArray();
        array_walk($list,function (&$v){
            $v['goods_spec'] = str_replace(['::',';;'],[':',';'],$v['goods_spec']);
        });
        return $list;
    }



}