save project

my_music.py

@@ -13,12 +13,24 @@ next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 中间logo
 logo_img = pygame.image.load('logo.png')  # 中间logo
 pygame.mixer.music.load('歌曲4.ogg') #载入音乐
 pygame.mixer.music.load('歌曲4.ogg') #载入音乐
 pygame.mixer.music.play()
 pygame.mixer.music.play()
+volume=0.1
+pygame.mixer.music.set_volume(volume)
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
-       if event.type == locals.QUIT:
+        if event.type == locals.QUIT:
             exit()
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.key ==locals.K_UP:
+               volume += 0.1
+            if volume > 1:
+               volume = 1
+               pygame.mixer.music.set_volume(volume)
+            if event.key ==locals.K_DOWN:
+               volume -= 0.1 
+            if volume <0:
+               volume =0
+               pygame.mixer.music.set_volume(volume)
     if  pygame.mixer.music.get_busy == False: 
     if  pygame.mixer.music.get_busy == False: 
-
         pygame.mixer.music.play() # 绘制画面
         pygame.mixer.music.play() # 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(stop_img, (270, 330))   # 暂停按钮
     screen.blit(stop_img, (270, 330))   # 暂停按钮