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))
 # 载入图片、资源
 bg_img = pygame.image.load('background.png')  # 背景图
@@ -13,13 +13,18 @@ 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1.wav')  # 载入音乐      
-
+music_list=[]
+path="C:\\Users\\makcoo\\Documents\\pygame_lesson5_diy1\\test"
+volume = 0.2
+filelist=os.listdir(path)
+for i in filelist:
+    if i[-4:]==".mp3":
+        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
-
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -36,11 +41,10 @@ while True:
                 if volume < 0:
                     volume = 0
                 pygame.mixer.music.set_volume(volume)
-
-        # 按下鼠标
         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:
                 # 次数增加
                     click += 1
@@ -50,9 +54,29 @@ 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()
+                play_button = stop_img
+                click = 0
+            if x > 420 and x < 520 and y < 400 and y > 350:
+                num += 1
+                if num < len(filelist) - 1:
+                    num = 0
+                pygame.mixer.music.load(path + "\\" + music_list[num])
+                pygame.mixer.music.play()              
+                play_button = stop_img
+                click = 0
     if pygame.mixer.music.get_busy() == False:
-        pygame.mixer.music.play()
+        num += 1
+        if num < len(filelist) - 1:
+            num = 0
+        print(num)
+        pygame.mixer.music.load(path + "\\" + music_list[num])
+        pygame.mixer.music.play()              
 
     # 绘制画面
     screen.blit(bg_img, (0, 0))      # 填充背景