save project

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))
@@ -13,7 +13,14 @@ 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      
+music=[]
+path="C:\\Users\\2hao\\Desktop\\新建文件夹"
+file = os.listdir(path)
+for i in file:
+    if i[-4:]==".mp3" or i[-4]==".ogg":
+        music.append(i)
+num=-1
+
 
 volume = 0.2
 pygame.mixer.music.set_volume(volume)  # 初始播放音量
@@ -38,20 +45,33 @@ while True:
                 pygame.mixer.music.set_volume(volume)
 
         if event.type == locals.MOUSEBUTTONDOWN:
-            click += 1
+            if event.button==1:
+                x,y=event.pos
+                if x>270 and x<370 and y>330 and y<430:
+                    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<0:
+                        num=len(music)-1
+                    pygame.mixer.music.load(path+"\\"+music[num])
+                    pygame.mixer.music.play()
     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()
         
+
             # 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(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