ql-gw-laravel5/app/Http/Model/Cart.php

<?php
namespace App\Http\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

class Cart extends BaseModel
{
	//购物车模型
	
    /**
     * 关联到模型的数据表
     *
     * @var string
     */
	protected $table = 'cart';
    public $timestamps = false;
    protected $hidden = array();
    protected $guarded = array(); //$guarded包含你不想被赋值的字段数组。
    
    //购物车商品类型
    const CART_GENERAL_GOODS        = 0; // 普通商品
    const CART_GROUP_BUY_GOODS      = 1; // 团购商品
    const CART_AUCTION_GOODS        = 2; // 拍卖商品
    const CART_SNATCH_GOODS         = 3; // 夺宝奇兵
    const CART_EXCHANGE_GOODS       = 4; // 积分商城
    
    public function getDb()
    {
        return DB::table($this->table);
    }
    
    /**
     * 列表
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $offset 偏移量
     * @param int $limit 取多少条
     * @return array
     */
    public function getList($where = array(), $order = '', $field = '*', $offset = 0, $limit = 15)
    {
        $model = $this->getDb();
        if($where){$model = $model->where($where);}
        
        $res['count'] = $model->count();
        $res['list'] = array();
        
        if($res['count'] > 0)
        {
            if($field){if(is_array($field)){$model = $model->select($field);}else{$model = $model->select(\DB::raw($field));}}
            if($order){$model = parent::getOrderByData($model, $order);}
            if($offset){}else{$offset = 0;}
            if($limit){}else{$limit = 15;}
            
            $res['list'] = $model->skip($offset)->take($limit)->get();
        }
        
        return $res;
    }
    
    /**
     * 分页，用于前端html输出
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $limit 每页几条
     * @param int $page 当前第几页
     * @return array
     */
    public function getPaginate($where = array(), $order = '', $field = '*', $limit = 15)
    {
        $res = $this->getDb();
        
        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
        if($order){$res = parent::getOrderByData($res, $order);}
        if($limit){}else{$limit = 15;}
        
        return $res->paginate($limit);
    }
    
    /**
     * 查询全部
     * @param array $where 查询条件
     * @param string $order 排序
     * @param string $field 字段
     * @param int $limit 取多少条
     * @return array
     */
    public function getAll($where = array(), $order = '', $field = '*', $limit = '', $offset = '')
    {
        $res = $this->getDb();
        
        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
        if($order){$res = parent::getOrderByData($res, $order);}
        if($offset){$res = $res->skip($offset);}
        if($limit){$res = $res->take($limit);}
        
        $res = $res->get();
        
        return $res;
    }
    
    /**
     * 获取一条
     * @param array $where 条件
     * @param string $field 字段
     * @return array
     */
    public function getOne($where, $field = '*')
    {
        $res = $this->getDb();
        
        if($where){$res = $res->where($where);}
        if($field){if(is_array($field)){$res = $res->select($field);}else{$res = $res->select(\DB::raw($field));}}
        
        $res = $res->first();
        
        return $res;
    }
    
    /**
     * 添加
     * @param array $data 数据
     * @return int
     */
    public function add(array $data,$type = 0)
    {
        if($type==0)
        {
            // 新增单条数据并返回主键值
            return self::insertGetId(parent::filterTableColumn($data,$this->table));
        }
        elseif($type==1)
        {
            /**
             * 添加单条数据
             * $data = ['foo' => 'bar', 'bar' => 'foo'];
             * 添加多条数据
             * $data = [
             *     ['foo' => 'bar', 'bar' => 'foo'],
             *     ['foo' => 'bar1', 'bar' => 'foo1'],
             *     ['foo' => 'bar2', 'bar' => 'foo2']
             * ];
             */
            return self::insert($data);
        }
    }
    
    /**
     * 修改
     * @param array $data 数据
     * @param array $where 条件
     * @return int
     */
    public function edit($data, $where = array())
    {
        $res = $this->getDb();
        return $res->where($where)->update(parent::filterTableColumn($data, $this->table));
    }
    
    /**
     * 删除
     * @param array $where 条件
     * @return bool
     */
    public function del($where)
    {
        $res = $this->getDb();
        $res = $res->where($where)->delete();
        
        return $res;
    }
    
    /**
     * 用户购物车商品总数量
     *
     * @access  public
     * @param   int $user_id 用户ID
     * @return  int
     */
    public function TotalGoodsCount($where)
    {
        return $this->getDb()->where($where)->sum('goods_number');
    }
    
    /**
     * 打印sql
     */
    public function toSql($where)
    {
        return $this->getDb()->where($where)->toSql();
    }
}