(1)参考
/play/play.php?v=uploads2/resources/126/2020-02-14/1581672353_224055.rar&res_id=231643
(2)代码
/play/play.php?v=uploads2/resources/126/2020-02-14/1581672353_9949.rar&res_id=231642
(3)ppt
/play/play.php?v=uploads2/resources/126/2020-02-14/1581672353_847732.pdf&res_id=231644