auto save

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-import or
+import os
 
 
 pygame.init()  # 初始化
 pygame.init()  # 初始化
 # 创建窗口
 # 创建窗口
@@ -58,7 +58,22 @@ while True:
                     else:
                     else:
                         play_button = play_img
                         play_button = play_img
                         pygame.mixer.music.pause()
                         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
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()   
+                    click=0
+                    play_button = stop_img
+                if x>420 and x<520 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:
     if pygame.mixer.music.get_busy() == False:
         num+=1
         num+=1
         if num >len(music_list)-1:
         if num >len(music_list)-1: