save project

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
 import os
 import os
+
 localmusic = os.listdir('C:\\Users\\70471\\Documents\\pygame_lesson5_diy1')
 localmusic = os.listdir('C:\\Users\\70471\\Documents\\pygame_lesson5_diy1')
 listmusic = []
 listmusic = []
 pygame.init()  # 初始化
 pygame.init()  # 初始化
@@ -50,8 +51,24 @@ 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:
+                    list_number -= 1
+                    if list_number < 0 :
+                        list_number = len(listmusic) - 1
+                    pygame.mixer.music.load("C:\\Users\\70471\\Documents\\pygame_lesson5_diy1"+"\\"+listmusic[list_number])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = stop_img
+                if x > 420 and x < 520 and y > 350 and y < 400:
+                    list_number += 1
+                    if list_number > len(listmusic)-1:
+                        list_number = 0
+                    pygame.mixer.music.load("C:\\Users\\70471\\Documents\\pygame_lesson5_diy1"+"\\"+listmusic[list_number])
+                    pygame.mixer.music.play()
+                    click = 0
+                    play_button = stop_img
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
+        listmusic.clear()
         list_number += 1
         list_number += 1
         for path in localmusic:
         for path in localmusic:
             if path[-4:] == ".mp3":
             if path[-4:] == ".mp3":