save project

lesson4-diy1.py

@@ -12,14 +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
 next_img = pygame.image.load('next.png')  # 下一曲按钮
 logo_img = pygame.image.load('logo.png')  # 中间log
 logo_img = pygame.image.load('logo.png')  # 中间log
 pygame.mixer.music.load('歌曲4.ogg')
 pygame.mixer.music.load('歌曲4.ogg')
-
 volume=0.2
 volume=0.2
 pygame.mixer.music.set_volume(volume)
 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=volume+0.1
+                if volume>1:
+                    volume=1
+                pygame.mixer.music.set_volume(volume)
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_DOWN:
+                volume=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()
         pygame.mixer.music.play()