python自制qt音乐播放器（GUI简易音乐播放器）

import os import sys import time import random import configparser from PyQt5.QtGui import * from PyQt5.QtCore import * from PyQt5.QtWidgets import * from PyQt5.QtMultimedia import * 音乐播放器 class musicPlayer(QWidget): def __init__(self): super().__init__() self.__initialize() 初始化 def __initialize(self): self.setWindowTitle(音乐播放器v1.0 琴棋书画) self.setWindowIcon(QIcon(icon.ico)) self.songs_list = [] self.song_formats = [mp3, m4a, flac, wav, ogg] self.settingfilename = setting.ini self.player = QMediaPlayer() self.cur_path = os.path.abspath(os.path.dirname(__file__)) self.cur_playing_song = self.is_switching = False self.is_pause = True # 界面元素 # --播放时间 self.label1 = QLabel(00:00) self.label1.setStyle(QStyleFactory.create(Fusion)) self.label2 = QLabel(00:00) self.label2.setStyle(QStyleFactory.create(Fusion)) # --滑动条 self.slider = QSlider(Qt.Horizontal, self) self.slider.sliderMoved[int].connect(lambda: self.player.setPosition(self.slider.value())) self.slider.setStyle(QStyleFactory.create(Fusion)) # --播放按钮 self.play_button = QPushButton(播放, self) self.play_button.clicked.connect(self.playMusic) self.play_button.setStyle(QStyleFactory.create(Fusion)) # --上一首按钮 self.preview_button = QPushButton(上一首, self) self.preview_button.clicked.connect(self.previewMusic) self.preview_button.setStyle(QStyleFactory.create(Fusion)) # --下一首按钮 self.next_button = QPushButton(下一首, self) self.next_button.clicked.connect(self.nextMusic) self.next_button.setStyle(QStyleFactory.create(Fusion)) # --打开文件夹按钮 self.open_button = QPushButton(打开文件夹, self) self.open_button.setStyle(QStyleFactory.create(Fusion)) self.open_button.clicked.connect(self.openDir) # --显示音乐列表 self.qlist = QListWidget() self.qlist.itemDoubleClicked.connect(self.doubleClicked) self.qlist.setStyle(QStyleFactory.create(windows)) # --如果有初始化setting, 导入setting self.loadSetting() # --播放模式 self.cmb = QComboBox() self.cmb.setStyle(QStyleFactory.create(Fusion)) self.cmb.addItem(顺序播放) self.cmb.addItem(单曲循环) self.cmb.addItem(随机播放) # --计时器 self.timer = QTimer(self) self.timer.start(1000) self.timer.timeout.connect(self.playByMode) # 界面布局 self.grid = QGridLayout() self.setLayout(self.grid) self.grid.addWidget(self.qlist, 0, 0, 5, 10) self.grid.addWidget(self.label1, 0, 11, 1, 1) self.grid.addWidget(self.slider, 0, 12, 1, 1) self.grid.addWidget(self.label2, 0, 13, 1, 1) self.grid.addWidget(self.play_button, 0, 14, 1, 1) self.grid.addWidget(self.next_button, 1, 11, 1, 2) self.grid.addWidget(self.preview_button, 2, 11, 1, 2) self.grid.addWidget(self.cmb, 3, 11, 1, 2) self.grid.addWidget(self.open_button, 4, 11, 1, 2) 根据播放模式播放音乐 def playByMode(self): if (not self.is_pause) and (not self.is_switching): self.slider.setMinimum(0) self.slider.setMaximum(self.player.duration()) self.slider.setValue(self.slider.value() 1000) self.label1.setText(time.strftime(%M:%S, time.localtime(self.player.position()/1000))) self.label2.setText(time.strftime(%M:%S, time.localtime(self.player.duration()/1000))) # 顺序播放 if (self.cmb.currentIndex() == 0) and (not self.is_pause) and (not self.is_switching): if self.qlist.count() == 0: return if self.player.position() == self.player.duration(): self.nextMusic() # 单曲循环 elif (self.cmb.currentIndex() == 1) and (not self.is_pause) and (not self.is_switching): if self.qlist.count() == 0: return if self.player.position() == self.player.duration(): self.is_switching = True self.setCurPlaying() self.slider.setValue(0) self.playMusic() self.is_switching = False # 随机播放 elif (self.cmb.currentIndex() == 2) and (not self.is_pause) and (not self.is_switching): if self.qlist.count() == 0: return if self.player.position() == self.player.duration(): self.is_switching = True self.qlist.setCurrentRow(random.randint(0, self.qlist.count()-1)) self.setCurPlaying() self.slider.setValue(0) self.playMusic() self.is_switching = False 打开文件夹 def openDir(self): self.cur_path = QFileDialog.getExistingDirectory(self, "选取文件夹", self.cur_path) if self.cur_path: self.showMusicList() self.cur_playing_song = self.setCurPlaying() self.label1.setText(00:00) self.label2.setText(00:00) self.slider.setSliderPosition(0) self.is_pause = True self.play_button.setText(播放) 导入setting def loadSetting(self): if os.path.isfile(self.settingfilename): config = configparser.ConfigParser() config.read(self.settingfilename) self.cur_path = config.get(MusicPlayer, PATH) self.showMusicList() 更新setting def updateSetting(self): config = configparser.ConfigParser() config.read(self.settingfilename) if not os.path.isfile(self.settingfilename): config.add_section(MusicPlayer) config.set(MusicPlayer, PATH, self.cur_path) config.write(open(self.settingfilename, w)) 显示文件夹中所有音乐 def showMusicList(self): self.qlist.clear() self.updateSetting() for song in os.listdir(self.cur_path): if song.split(.)[-1] in self.song_formats: self.songs_list.append([song, os.path.join(self.cur_path, song).replace(\, /)]) self.qlist.addItem(song) self.qlist.setCurrentRow(0) if self.songs_list: self.cur_playing_song = self.songs_list[self.qlist.currentRow()][-1] 双击播放音乐 def doubleClicked(self): self.slider.setValue(0) self.is_switching = True self.setCurPlaying() self.playMusic() self.is_switching = False 设置当前播放的音乐 def setCurPlaying(self): self.cur_playing_song = self.songs_list[self.qlist.currentRow()][-1] self.player.setMedia(QMediaContent(QUrl(self.cur_playing_song))) 提示 def Tips(self, message): QMessageBox.about(self, "提示", message) 播放音乐 def playMusic(self): if self.qlist.count() == 0: self.Tips(当前路径内无可播放的音乐文件) return if not self.player.isAudioAvailable(): self.setCurPlaying() if self.is_pause or self.is_switching: self.player.play() self.is_pause = False self.play_button.setText(暂停) elif (not self.is_pause) and (not self.is_switching): self.player.pause() self.is_pause = True self.play_button.setText(播放) 上一首 def previewMusic(self): self.slider.setValue(0) if self.qlist.count() == 0: self.Tips(当前路径内无可播放的音乐文件) return pre_row = self.qlist.currentRow()-1 if self.qlist.currentRow() != 0 else self.qlist.count() - 1 self.qlist.setCurrentRow(pre_row) self.is_switching = True self.setCurPlaying() self.playMusic() self.is_switching = False 下一首 def nextMusic(self): self.slider.setValue(0) if self.qlist.count() == 0: self.Tips(当前路径内无可播放的音乐文件) return next_row = self.qlist.currentRow() 1 if self.qlist.currentRow() != self.qlist.count()-1 else 0 self.qlist.setCurrentRow(next_row) self.is_switching = True self.setCurPlaying() self.playMusic() self.is_switching = False run if __name__ == __main__: app = QApplication(sys.argv) gui = musicPlayer() gui.show() sys.exit(app.exec_())