save project

my_music.py

@@ -21,13 +21,11 @@ for i in filelist:
     if i[-4:] == '.ogg' or i[-4:] == '.wav':
         music_list.append(i) 
 print(music_list)
-
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
 play_button = stop_img
 num = -1 
- 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -44,7 +42,6 @@ while True:
                 if volume < 0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
-
         if event.type == locals.MOUSEBUTTONDOWN:
             x,y = event.pos
             if x > 270 and x < 370 and y > 350 and y < 450 :
@@ -63,6 +60,14 @@ while True:
                 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(music_list)-1:
+                    num = 0
+                pygame.mixer.music.load(path + '\\'+music_list[num])
+                pygame.mixer.music.play()
+                play_button = stop_img
+                click = 0 
     if pygame.mixer.music.get_busy() == False:
         num += 1
         if num > len(filelist)-1: