save project

my_music.py

@@ -13,6 +13,7 @@ next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # logo按钮
 
 # 载入音乐 
+import os
 music_list = [] 
 path = "D:\\"
 filelist = os.listdir(path)
@@ -55,8 +56,14 @@ while True:
                         play_button = stop_img
                         pygame.mixer.music.unpause()
                     else:
-                        play_button = play_img
-                        pygame.mixer.music.pause()
+                        if x>120 and x<220 and y>350 and y<400:#上一曲按键的占位置
+                    num -= 1
+                    if num<0:
+                        num = len(music_list)-1
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click = 0 
 
     if pygame.mixer.music.get_busy() == False:
         num += 1