save project

my_music.py

@@ -11,16 +11,27 @@ stop_img = pygame.image.load('stop.png')  # 暂停按钮
 last_img = pygame.image.load('last.png')  # 上一曲按钮
 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logo
 logo_img = pygame.image.load('logo.png')  # 中间logo
-
+volume = 0.2
+pygame.mixer.music.set_volume(volume)
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
-        ????
-
-    # 绘制画面
+        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_DOWN:
+                volume -= 0.1
+                if volume < 0:
+                    volume = 0
+                pygame.mixer.music.set_volume(volume)
     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
     screen.blit(logo_img, (170, 60))    # 中间logo图
     screen.blit(logo_img, (170, 60))    # 中间logo图
     screen.blit(last_img, (120, 350))   # 上一曲
     screen.blit(last_img, (120, 350))   # 上一曲
     screen.blit(next_img, (420, 350))   # 下一曲
     screen.blit(next_img, (420, 350))   # 下一曲
-    # 刷新画面
-    ???
+    # 
+    pygame.display.update()