// +---------------------------------------------------------------------- namespace app\dao\shipping; use app\dao\BaseDao; use app\model\shipping\ShippingTemplatesFree; use app\model\shipping\SystemCity; /** * Class ShippingTemplatesFreeCityDao * @package app\dao\shipping */ class ShippingTemplatesFreeCityDao extends BaseDao { /** * 主表别名 * @var string */ protected $alias = 'a'; /** * 附表别名 * @var string */ protected $joinAlis = 'c'; /** * 设置模型 * @return string */ protected function setModel(): string { return ShippingTemplatesFree::class; } /** * 设置join连表模型 * @return string */ protected function setJoinModel(): string { return SystemCity::class; } /** * 关联模型 * @param string $alias * @param string $join_alias * @return \crmeb\basic\BaseModel */ protected function getModel(string $key = 'province_id', string $join = 'LEFT') { /** @var SystemCity $city */ $city = app()->make($this->setJoinModel()); $name = $city->getName(); return parent::getModel()->join($name . ' ' . $this->joinAlis, $this->alias . '.' . $key . ' = ' . $this->joinAlis . '.city_id', $join)->alias($this->alias); } /** * 获取指定条件下的包邮列表 * @param array $where * @return mixed */ public function getUniqidList(array $where, bool $group = true) { return $this->getModel($group ? 'province_id' : 'city_id')->when(isset($where['uniqid']), function ($query) use ($where) { $query->where($this->alias . '.uniqid', $where['uniqid']); })->when(isset($where['province_id']), function ($query) use ($where) { $query->where($this->alias . '.province_id', $where['province_id']); })->when($group, function ($query) { $query->group($this->alias . '.province_id'); })->field($this->alias . '.province_id,' . $this->joinAlis . '.name,' . $this->alias . '.city_id')->select()->toArray(); } }