* 接收GET数据 * $_GET | 传入参 | 说明 | | --- | --- | | lv | [ 选填 ] 安全等级 ( 1-4 ) , 默认4 | | 回调参 | 说明 | | --- | --- | | [ arr ] | 终端传入参 | * 案例 ~~~ $obj = $U_A->get(); extract($obj); $obj = $U_A->get(1); extract($obj); $obj = $U_A->get(2); extract($obj); $obj = $U_A->get(3); extract($obj); $obj = $U_A->get(4); extract($obj); ~~~