save project

demo2.py

+import 
\ No newline at end of file

my_music.py

 import pygame
 from pygame import locals
-
+import os 
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -12,7 +12,12 @@ last_img = pygame.image.load('last.png')  # 上一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 #pygame.mixer.music.load('test.wav')
-musiclist = ["歌曲1.wav","歌曲2.wav","歌曲3.wav","歌曲4.ogg"]
+musiclist = []
+path = "C:\\Users\\zm\\Desktop\\test"
+filelist = os.listdir(path)
+for i in filelist:
+    if i[-4:] == ".wav" or i[-4:] == ".ogg":
+        musiclist.append(i)
 num = -1
 volume = 0.2
 pygame.mixer_music.set_volume(volume)
@@ -46,14 +51,28 @@ while True:
                     else:
                         pygame.mixer_music.pause()
                         play_button = play_img
-
-
+                if x >120 and x < 220 and y > 350 and y < 400:
+                    num -= 1
+                    if num < 0:
+                        num = len(musiclist)-1
+                    pygame.mixer.music.load(path +"\\"+musiclist[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click = 0
+                if x >420 and x < 520 and y > 350 and y < 400:
+                    num += 1
+                    if num < len(musiclist)-1:
+                        num = 0
+                    pygame.mixer.music.load(path +"\\"+musiclist[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click = 0
 
     if pygame.mixer.music.get_busy() == False:
         num += 1
         if num > len(musiclist)-1:
             num = 0
-        pygame.mixer.music.load(musiclist[num])
+        pygame.mixer.music.load(path +"\\"+musiclist[num])
         pygame.mixer.music.play()
 
     # 绘制画面