auto save

my_music.py

 import pygame
 from pygame import locals
-
+import os
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -14,7 +14,12 @@ logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 
 # 载入音乐
 
-ml = ['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.ogg']
+music_list = []
+gequ="C:\\Users\\Administrator\\Desktop\\test"
+filelist = os.listdir(gequ)
+for i in filelist:
+    if i[-4:] == ".ogg" or i[-4:] == ".wav:":
+        music_list.append(i)
 pygame.mixer.music.load('歌曲1.wav')  # 载入音乐      
 mum=-1
 volume = 0.2
@@ -52,12 +57,15 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-
+                if x > 120 and x <220 and y > 350 and y < 400:
+                    num -= 1
+                    if num < 0:
+                        num = len(music_list) - 1
     if pygame.mixer.music.get_busy() == False:
         mum+=1
-        if mum>len(ml)-1:
+        if mum>len(filelist)-1:
             mum=0
-            pygame.mixer.music.load(ml[mum])
+            pygame.mixer.music.load(gequ + "\\"+music_list[mum])
             pygame.mixer.music.play()
 
     # 绘制画面