auto save

my_music.py

 import pygame
 import pygame
 from pygame import locals
 from pygame import locals
-
+import os
 pygame.init()  # 初始化
 pygame.init()  # 初始化
 # 创建窗口
 # 创建窗口
 screen = pygame.display.set_mode((640, 480))
 screen = pygame.display.set_mode((640, 480))
@@ -14,6 +14,14 @@ logo_img = pygame.image.load('logo.png')  # 下一曲按钮
 
 
 # 载入音乐
 # 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=[]
+path="C:\\Users\\hp\\Desktop\\音乐"
+file=os.listdir(path)
+
+for i in file:
+    if i[-4:]==".mp3" or i[-4:]==".ogg":
+        music.append(i)
+num=-1
 
 
 volume = 0.2
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
@@ -38,17 +46,39 @@ while True:
                 pygame.mixer.music.set_volume(volume)
                 pygame.mixer.music.set_volume(volume)
 
 
         if event.type == locals.MOUSEBUTTONDOWN:
         if event.type == locals.MOUSEBUTTONDOWN:
-            click += 1
-            if click % 2 == 0:
-                play_button = stop_img
-                pygame.mixer.music.unpause()
-            else:
-                play_button = play_img
-                pygame.mixer.music.pause()
+            x,y=event.pos
+            if event.button==1:
+                if x>270 and x<350 and y>350 and y<450:
 
 
+                    click += 1
+                    if click % 2 == 0:
+                        play_button = stop_img
+                        pygame.mixer.music.unpause()
+                    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>len(music)-1:
+                        num=0
+                    pygame.mixer.music.load(path+"\\"+music[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)-1:
+                        num=0
+                    pygame.mixer.music.load(path+"\\"+music[num])    
+                    pygame.mixer.music.play()
+                    click=0
+                    play_button=stop_img      
     if pygame.mixer.music.get_busy() == False:
     if pygame.mixer.music.get_busy() == False:
+        num+=1
+        if num>len(music)-1:
+            num=0
+        pygame.mixer.music.load(path+"\\"+music[num])    
         pygame.mixer.music.play()
         pygame.mixer.music.play()
-
     # 绘制画面
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(bg_img, (0, 0))      # 填充背景
     screen.blit(play_button, (270, 330))   # 暂停按钮
     screen.blit(play_button, (270, 330))   # 暂停按钮