(1)参考
/play/play.php?v=uploads2/resources/126/2020-02-14/1581671380_39846.rar&res_id=231599
(2)代码
/play/play.php?v=uploads2/resources/126/2020-02-14/1581671380_21766.rar&res_id=231600
(3)ppt
/play/play.php?v=uploads2/resources/126/2020-02-14/1581671380_2033521.pdf&res_id=231601