save project

my_music.py

@@ -17,7 +17,7 @@ yinyue = []
 c = "C:\\Users\\teem\\Desktop\\vincent\\music\\Hi-Res淘碟宝典及鉴赏天碟"
 b = os.listdir(c)
 for i in b:
-    if i[-4:] == ".mp3":
+    if i[-4:] == ".wav":
         yinyue.append(i)
 a = -1            #音乐索引
 volume = 0.2
@@ -56,7 +56,14 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-
+                if x > 120 and x < 220 and y > 350 and y < 400:
+                    a -= 1
+                    if a < 0:
+                        a = len(yinyue)-1
+                    pygame.mixer.music.load(c+"\\"+yinyue[a])  # 载入音乐      
+                    pygame.mixer.music.play() 
+                    play_button = stop_img
+                    click = 2   
     if pygame.mixer.music.get_busy() == False:
         a += 1
         if a > len(yinyue)-1: