1. [root@localhost ~]# echo `date +%F`
    2. 2022-03-07
    3. [root@localhost ~]# echo `date +%I` --小时
    4. 12
    5. [root@localhost ~]# echo `date +%M`  -- 分钟
    6. 13
    7. [root@localhost ~]# echo `date +%S`  -- 秒
    8. 03
    9. [root@localhost ~]# echo `date +%Y`
    10. 2022
    11. [root@localhost ~]# echo `date +%b`
    12. 3月
    13. [root@localhost ~]# echo `date +%m`
    14. 03
    15. [root@localhost ~]# echo `date +%B`
    16. 三月
    17. [root@localhost ~]# echo `date +%d`
    18. 07
    20. [root@localhost ~]# date +'%Y-%m-%d %H:%M:%S'
    21. 2022-03-07 12:19:36
    22. [root@localhost ~]# echo `date +'%Y%m%d%H%M%S'`
    23. 20220307122015