save project

my_music.py

@@ -12,12 +12,27 @@ last_img = pygame.image.load('last.png')  # 上一曲按钮
 next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 中间logo
 pygame.mixer.music.load('歌曲4.ogg')
+volume=0.2
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             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_UP:
+                volume-=0.1
+                if volume<0 or volume==0:
+                    volume=0
+                pygame.mixer.music.set_volume(volume)
+
     if pygame.mixer.music.get_busy()==False:
         pygame.mixer.music.play()
+        
 
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景