save project

A.py

+import pygame
+from pygame import locals
+pygame.init()
+screen=pygame.display.set_mode((640,480))
+bg_img=pygame.image.load('background.png')
+play_img=pygame.image.load('play.png')
+stop_img=pygame.image.load('stop.png')
+last_img=pygame.image.load('last.png')
+next_img=pygame.image.load('next.png')
+logo_img=pygame.image.load('logo.png')
+pygame.mixer.music.load('歌曲1.wav')
+volume=0.2
+pygame.mixer.music.set_volume(volume)
+click=0
+play_button=stop_img
+while True:
+    for event in pygame.event.get():
+        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)
+        if event.type==locals.MOUSEBUTTONDOWN:
+            click+=1
+            if click%2==0:
+                pygame.mixer.music.unpause()
+                play_button=stop_img
+            else:
+                pygame.mixer.music.pause()
+                play_button=play_img
+    if pygame.mixer.music.get_busy()==False:
+        pygame.mixer.music.play()
+    screen.blit(bg_img,(0,0))#填充背景
+    screen.blit(play_button,(270,330))#暂停按钮
+    screen.blit(logo_img,(170,60))#中间logo图
+    screen.blit(last_img,(120,350))#上一曲
+    screen.blit(next_img,(420,350))#下一曲
+pygame.display.update()
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