save project

my_music.py

 import pygame
+import os
+k = os.listdir('C:\\Users\\DELL\\Desktop\\新建文件夹')
+print(k)
 from pygame import locals
 
 pygame.init()  # 初始化
@@ -11,10 +14,9 @@ stop_img = pygame.image.load('stop.png')  # 暂停按钮
 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
-
-# 载入音乐
-pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐      
-
+num = -1 
+# 载入音乐载入音乐      
+music_list = ['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.wav']
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
@@ -36,7 +38,6 @@ while True:
                 if volume < 0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
-
         # 按下鼠标
         if event.type == locals.MOUSEBUTTONDOWN:
             if event.button == 1:
@@ -50,7 +51,13 @@ while True:
                         play_button = play_img
                         pygame.mixer.music.pause()
 
-    if pygame.mixer.music.get_busy() == False:
+    if pygame.mixer.music.get_busy() == False:#如果他没有演奏
+        num += 1
+        if num <0:
+            num=0
+        if num >len(music_list)-1:#当a>b
+            num = 0 
+        pygame.mixer.music.load(music_list[num])
         pygame.mixer.music.play()
 
     # 绘制画面