/** * 定义与District的关联关系获取省 */ public function getMycity() { return $this->hasMany(District::className(), ['id' => 'city']); }
public function getDistricts() { return @$this->hasOne(District::className(), ['DISTRICT_ID' => 'province']); }
/** * 定义与 Province 的关联关系 */ public function getProvince() { return $this->hasOne(District::className(), ['id' => 'upid']); }