save project

my_music.py

@@ -49,12 +49,20 @@ 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 > len(music_list)-1:
+                        num = 0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = stop_img
 
     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.load(path+"\\"+music_list[num])
         pygame.mixer.music.play()
 
     # 绘制画面