auto save

my_music.py

 import pygame
 from pygame import locals
 import os
-
 pygame.init()  # 初始化
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
@@ -14,19 +13,20 @@ 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      
+pygame.mixer.music.load('歌曲4.ogg')  # 载入音乐
 music_list=[]
 path="C:\\Users\\legao-002\\Desktop\\music"
-filelists=os.listdir(path)
-for i in filelists:
-    if i[-4:]==".wav"or i[-4:]==".ogg":
+filelist=os.listdir(path)
+for i in filelist:
+    if i[-4:]==".wav" or i [-4:]==".ogg":
         music_list.append(i)
+num=-1
 
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 click = 0
 play_button = stop_img
-num=0
+
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -57,23 +57,30 @@ while True:
                     else:
                         play_button = play_img
                         pygame.mixer.music.pause()
-            if x >120 and x <220 and y >350 and y<400:
-                num-=1
-                if num<0:
-                    num=len(music_list)-1
-                pygame.mixer.music.load(path+"\\"+music_list[num])
-                pygame.mixer.music.play()
-                click=0
-                play_button=stop_img
+                if x >120 and x <220 and y >350 and y<400:
+                    num-=1
+                    if num<0:
+                        num=len(music_list)-1
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img
+
+                if x >420 and x <520 and y >350 and y<400:
+                    num+=1
+                    if num>len(music_list)-1:
+                        num=0
+                    pygame.mixer.music.load(path+"\\"+music_list[num])
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img    
+
 
-        if pygame.mixer.music.get_busy() == False:
-            num+=1
-            if num>len(music_list)-1:
-                num=0
-            pygame.mixer.music.load(path+"\\"+music_list[num])
-            pygame.mixer.music.play()
-            click=0
-            play_button=stop_img
+    if pygame.mixer.music.get_busy() == False:
+        num+=1
+        if num>len(music_list)-1:
+            num=0
+        pygame.mixer.music.load(path+"\\"+music_list[num])
         pygame.mixer.music.play()
 
     # 绘制画面