Python编写音乐播放器

# -*- encoding: utf-8 -*-
'''
@Description:       :
@Date     :2022/03/24 17:43:26
@Author      :骤&雨
@version      :1.0
'''
#导入相关库文件
import os
import tkinter
import tkinter.filedialog
import random
import time
import threading
import pygame

from asyncio.base_tasks import _task_print_stack
from cProfile import label
from email import header
from functools import total_ordering
from importlib import find_loader
from logging import root
from mimetypes import init
from re import X
from turtle import width
from matplotlib.pyplot import pause
from scipy import rand

#设置文件夹路径
folder = r'C:\Users\Administrator\Desktop\Python\Python Code\TiquMusicFromVedio'


"""
@description  : 音乐播放，默认播放文件夹内的所有mp3文件
---------
@param  :
-------
@Returns  :
-------
"""
def play():
    global folder
    music =[folder+'\\'+music for music in os.listdir(folder)\
        if music.endswith(('.mp3','.wav','.ogg'))]
    total = len(music)
    #初始化混音器设备
    pygame.mixer.init()
    while playing:
        if not pygame.mixer.music.get_busy():
            #随机播放一首歌曲
            nextMusic = random.choice(music)
            pygame.mixer.music.load(nextMusic.encode())
            #播放一次
            pygame.mixer.music.play(1)
            musicName.set('playing.......'+nextMusic)
        else:
            time.sleep(0.3)

root = tkinter.Tk()
root.title('音乐播放器')
root.geometry('700x80+400+300')
root.resizable(False,False)

#关闭程序时执行的代码
def closeWindow():
    global playing
    playing = False
    try:
        pygame.mixer.music.stop()
        pygame.mixer.quit()
    except:
        pass
    root.destroy()
root.protocol('WM_DELETE_WINDOW',closeWindow)
pause_resume=tkinter.StringVar(root,value = 'NotSet')
playing = False

#播放按钮
def  buttonPlayClick():
    global folder
    if not folder:
        folder = tkinter.filedialog.askdirectory()
    if not folder:
        return
    global playing
    playing = True


    #创建一个线程来播放音乐
    t = threading.Thread(target=play)
    t.start()
    #根据情况禁用或启用相应按钮
    buttonPlay['state'] = 'disabled'
    buttonStop['state'] = 'normal'
    buttonPause['state'] = 'normal'
    buttonNext['state'] = 'normal'
    pause_resume.set('Pause')
buttonPlay = tkinter.Button(root,text = 'Play',command=buttonPlayClick)
buttonPlay.place(x=20,y=10,width=50,height=20)

#终止按钮
def buttonStopClick():
    global playing
    playing = False
    pygame.mixer.music.stop()
    musicName.set('暂时没有播放音乐')
    buttonPlay['state'] = 'normal'
    buttonStop['state'] = 'disabled'
    buttonPause['state'] = 'disabled'
buttonStop = tkinter.Button(root,text='Stop',command=buttonStopClick)
buttonStop.place(x=80,y=10,width=50,height=20)
buttonStop['state']='disabled'

#暂停与恢复 复用按钮
def buttonPauseClick():
    global playing
    if pause_resume.get()=='Pause':
        #playing = False
        pygame.mixer.music.pause()
        pause_resume.set('Resume')
    elif pause_resume.get()=='Resume':
        #playing = True
        pygame.mixer.music.unpause()
        pause_resume.set('Pause')
buttonPause = tkinter.Button(root,textvariable=pause_resume,command=buttonPauseClick)
buttonPause.place(x=140,y=10,width=50,height=20)
buttonPause['state']='disabled'

#下一首
def buttonNextClick():
    global playing
    playing = False
    pygame.mixer.music.stop()
    pygame.mixer.quit()
    buttonPlayClick()
buttonNext = tkinter.Button(root,text='Next',command=buttonNextClick)
buttonNext.place(x=200,y=10,width=50,height=20)
buttonNext['state']='disabled'

musicName = tkinter.StringVar(root,value='暂时没有播放音乐！')
labelName = tkinter.Label(root,textvariable=musicName)
labelName.place(x=0,y=40,width=700,height=20)

#启动消息循环
root.mainloop()