auto save

my_music.py

 import pygame
-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')  # 下一曲按钮
-
-# 载入音乐
-pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐      
-
-volume = 0.2
-pygame.mixer.music.set_volume(volume)  # 初始播放音量
-click = 0
-play_button = stop_img
 
+num=-1
+volme=0.5
+pygame.mixer.music.set_volume(volme)
+click=0
+musicde=stop_img
 while True:
     for event in pygame.event.get():
-        if event.type == locals.QUIT:
+        if event.type==locals.QUIT:
             exit()
-        # 按键，控制声音大小
         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)
+                volme +=0.1
+                if volme > 1:
+                    volme = 1
+                pygame.mixer.music.set_volume(volme)
             if event.key == locals.K_DOWN:
-                volume -= 0.1
-                if volume < 0:
-                    volume = 0
-                pygame.mixer.music.set_volume(volume)
-
-        # 按下鼠标
-        if event.type == locals.MOUSEBUTTONDOWN:
-                # 次数增加
+                volme -=0.1
+                if volme < 0:
+                    volme = 0
+                pygame.mixer.music.set_volume(volme)
+    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:
-                    play_button = stop_img
+                    musicde=stop_img
                     pygame.mixer.music.unpause()
                 else:
-                    play_button = play_img
-                    pygame.mixer.music.pause()
-
+                    musicde=play_img
+                    pygame.mixer.music.pause()                
     if pygame.mixer.music.get_busy() == False:
-        pygame.mixer.music.play()
-
+        num += 1
+        if num > len(music_liebiao)-1:
+            num=0
+        pygame.mixer.music.load(music_liebiao[num])
+        pygame.mixer.music.play()#可以拨放音乐 
+    
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
-    screen.blit(play_button, (270, 330))   # 暂停按钮
+    screen.blit(musicde, (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