save project

my_music.py

@@ -18,17 +18,16 @@ while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
-'''
-        if event.key==pygame.K_DOWN:
-            volume-=0.2
-            if volume<0:
-                volume=0   
-        if event.key==pygame.K_UP:
-            volume+=0.2
-            if volume>1:
-                volume=1 
-'''
-    #pygame.mixer_music.set_volume(volume)  
+        if event.type==pygame.KEYDOWN:
+            if event.key==pygame.K_DOWN:
+                volume-=0.2
+                if volume<0:
+                    volume=0   
+            if event.key==pygame.K_UP:
+                volume+=0.2
+                if volume>1:
+                    volume=1 
+    pygame.mixer_music.set_volume(volume)   
     if pygame.mixer.music.get_busy() == False:      # 音乐是否正在播放
         pygame.mixer.music.play()
     # 绘制画面