* 根据省市县类型和对应的`code`获取对应列表 * 只能逐级获取 province->city->area OK province->area ERROR * @param target String province city area * @param code * @param parent 默认获取子列表 如果要获取的是父对象 传true * @returns {*}
(target, code, parent)
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected