save project

my_music.py

@@ -12,11 +12,24 @@ 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图
 pygame.mixer.music.load('test.wav') # 载入音乐
-
+volume = 0.2
+pygame.mixer.music.set_volume(volume)
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+    #按键，控制声音大小
+    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:
         pygame.mixer.music.play() #播放音乐