save project

my_music.py

 import pygame
 from pygame import locals
+import os
+
 
 pygame.init()  # 初始化
 # 创建窗口
@@ -20,6 +22,7 @@ pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐
 
 volume = 0.2
 ml = ['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.ogg']
+fl = os.listdir("C:\\Users\\3\\Desktop\\test")
 nu = -1
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
@@ -56,9 +59,9 @@ while True:
                             play_button = play_img
                             pygame.mixer.music.pause()
         nu += 1
-        if nu > len(ml)-1:
+        if nu > len(fl)-1:
             nu = 0
-        pygame.mixer.music.load(ml[nu])
+        pygame.mixer.music.load(fl[nu])
         pygame.mixer.music.play()
 
     if pygame.mixer.music.get_busy() == False: