save project

my_music.py

@@ -20,7 +20,6 @@ click = 0
 play_button = stop_img
 num = -1
 while True:
-    
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
@@ -52,8 +51,11 @@ while True:
                         pygame.mixer.music.pause()
 
     if pygame.mixer.music.get_busy() == False:
+        num += 1
+        if num > len(music_list)-1:
+            num = 0
+        pygame.mixer.music.load(music_list[num])
         pygame.mixer.music.play()
-
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(play_button, (270, 330))   # 暂停按钮