save project

my_music.py

@@ -13,15 +13,26 @@ 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 = 0.5
+pygame.mixer.music.set_volume(volume)
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-    if pygame.mixer.music.get_busy() == False:
-        pygame.mixer.music.play()
+        if event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP:
+                volume += 0.1
+                if volume >1:
+                    volume = 1
+            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: #判断音乐是否在播放
+            pygame.mixer.music.play() #播放音乐 
 
-        if pygame.mixer.music.set_v == locals.KEYDOWN:
-            if
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(stop_img, (270, 330))   # 暂停按钮