* 获取时间单号 * 多用于订单命名参 | 传入参 | 说明 | | --- | --- | | mic | \[ 选填 \] 是否微秒级 (1是 0否) | | 回调参 | 说明 | | --- | --- | | [ string ] | 时间单号 | * 案例 ~~~ $obj = $T_T->time_order(); $obj = $T_T->time_order(1); ~~~ > 20201011183045 20201011183045257