save project

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
+import os
 
 
 pygame.init()  # 初始化
 pygame.init()  # 初始化
 # 创建窗口
 # 创建窗口
@@ -13,7 +14,12 @@ next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 
 
 # 载入音乐
 # 载入音乐
-m=['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.ogg']     
+m=[]    
+path='C:\\Users\\shengyuan\\Desktop\\text' 
+filelist=os.listdir(path)
+for i in filelist:
+    if i[-4:]=='.wav' or i[-4:]=='.ogg':
+        m.append(i) 
 num=-1
 num=-1
 volume = 0.2
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
@@ -50,14 +56,22 @@ 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(m)-1
+                    pygame.mixer.music.load(path+'\\'+m[num])
+                    pygame.mixer.music.play()
+                    play_button = stop_img
+                    click=0
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
         num+=1
         num+=1
         if num>len(m)-1:
         if num>len(m)-1:
             num=0
             num=0
-        pygame.mixer.music.load(m[num])
-        pygame.mixer.music.play()
-
+            pygame.mixer.music.load(path+'\\'+m[num])
+            pygame.mixer.music.play()
+            lay_button = stop_img
+            click=0
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(play_button, (270, 330))   # 暂停按钮
     screen.blit(play_button, (270, 330))   # 暂停按钮