auto save

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
-pygame.init()   # 初始化
-# 创建窗口
-screen = pygame.display.set_mode((640, 480))
-# 载入图片、资源
-bg_img = pygame.image.load('background.png')  # 背景图
-play_img = pygame.image.load('play.png')  # 播放按钮
-stop_img = pygame.image.load('stop.png')  # 暂停按钮
-last_img = pygame.image.load('last.png')  # 上一曲按钮
-next_img = pygame.image.load('next.png')  # 下一曲按钮
-logo_img = pygame.image.load('logo.png')  # 中间logo
+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4.ogg')
 pygame.mixer.music.load('歌曲4.ogg')
-volume = 0.2
+volume=0.2
 pygame.mixer.music.set_volume(volume)
 pygame.mixer.music.set_volume(volume)
-
-start = stop_img
-click = 0
+click=0
+music_list=['歌曲1.wav','歌曲2.wav','歌曲3.wav','歌曲4.ogg']
+num=-1
+play_button=stop_img
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
+        if event.type==locals.QUIT:
             exit()
             exit()
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_UP:
-                volume += 0.1
+        if pygame.mixer.music.get_busy()==False:
+            num+=1
+            if num> len(music_list)-1:
+                num=0
+                pygame.mixer.music.load(music_list[num])
+            pygame.mixer.music.play()
+        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)
                 pygame.mixer.music.set_volume(volume)
-            if event.key == locals.K_DOWN:
-                volume -= 0.1
+            if event.key==locals.K_DOWN:
+                volume-=0.1
+                if volume<=0:
+                    volume==0
                 pygame.mixer.music.set_volume(volume)
                 pygame.mixer.music.set_volume(volume)
-        if event.type == locals.MOUSEBUTTONDOWN:
-            click += 1
-            if click%2 == 0:
-                pygame.mixer.music.unpause()
-                start = stop_img
-            else:
-                pygame.mixer.music.pause()
-                start = play_img
-
-    if volume <=0:
-        volume = 0
-    if pygame.mixer.music.get_busy() == False:
-        pygame.mixer.music.play()
-    
+        if event.type==locals.MOUSEBUTTONDOWN:
+            if event.button==1:
+                x,y=event.pos
+                if x>270 and x<370 and y>350 and y<450:
+                    click+=1
+                    if click%2==0:
+                        pygame.mixer.music.unpause()
+                        play_button=stop_img
+                    else:
+                        play_button=play_img
+                        pygame.mixer.music.pause()
+    screen.blit(bg_img,(0,0))
+    screen.blit(play_button,(270,330))
+    screen.blit(last_img,(120,350))
+    screen.blit(next_img,(420,350))
+    screen.blit(logo_img,(170,60))
 
 
-    # 绘制画面
-    screen.blit(bg_img, (0, 0))      # 填充背景
-    screen.blit(start, (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
-    # 刷新画面
     pygame.display.update()
     pygame.display.update()