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文件

import os

path = "文件路径"

f_list = os.listdir(path)

m_list = []
for f in f_list:
    if(f[-4:] == ".wav" or f[-4:] == ".wav"):
        m_list.append(f) 

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

# 音乐
filelist = ['歌曲1.wav', '歌曲2.wav', '歌曲3.wav', '歌曲4.ogg']
num = 0  # 从第一首歌开始
# 初始加载并播放第一首音乐
if filelist:
    pygame.mixer.music.load(filelist[num])
    pygame.mixer.music.play()

volume = 0.2
pygame.mixer.music.set_volume(volume)  # 初始播放音量
click = 1  # 修改为1，使初始按钮显示为暂停状态
play_button = stop_img  # 初始显示暂停按钮
is_playing = True  # 初始标记为播放状态

while True:
    for event in pygame.event.get():
        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)
            if event.key == locals.K_DOWN:
                volume -= 0.1
                if volume < 0:
                    volume = 0
                pygame.mixer.music.set_volume(volume)

        if event.type == locals.MOUSEBUTTONDOWN:
            if event.button == 1:  # 左击
                x, y = event.pos
                # 修正碰撞检测区域与绘制位置匹配（270,330）
                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()
                        is_playing = True
                    else:
                        play_button = play_img
                        pygame.mixer.music.pause()
                        is_playing = False

    # 只有在播放状态且音乐未播放时才切换歌曲
    if pygame.mixer.music.get_busy() == False and is_playing:
        num += 1
        if num > len(filelist)-1:
            num = 0
        pygame.mixer.music.load(filelist[num])
        pygame.mixer.music.play()
        is_playing = True  # 标记为播放状态

    # 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(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
    # 刷新画面
    pygame.display.update()