save project

my_music.py

@@ -48,7 +48,6 @@ while True:
             if event.button == 1:
                 x,y = event.pos
                 if x > 270 and x <370 and y > 350 and y < 450:
-                # 次数增加
                     click += 1
                     if click % 2 == 0:
                         play_button = stop_img
@@ -56,6 +55,23 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
+                if x>120 and x<220 and y>350 and y<400:
+                    num-=1
+                    if num<0:
+                        num=len(music_list)-1
+                    pygame.mixer.music.load(parth+"\\" +music_list[num])  # 载入音乐      
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button = stop_img
+                if x>420 and x<520 and y>350 and y<400:
+                    num+=1
+                    if num>len(music_list)-1:
+                        num=0
+                    pygame.mixer.music.load(parth+"\\" +music_list[num])  # 载入音乐      
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button = stop_img
+
 
     if pygame.mixer.music.get_busy() == False:
         num+=1