Python MP3播放器(二) 这次用QTableView在界面中添加了歌曲列表,实现双击播放,设置各列列宽,设置了单元格不可编辑
逻辑主程序:
from PyQt5.QtWidgets import QMainWindow, QApplication, QFileDialog, QMessageBox, QDialog, QPushButton, QAbstractItemView
from PyQt5.QtCore import QUrl, Qt
from PyQt5.QtGui import QStandardItemModel, QStandardItem
from Ui_playerUi3 import Ui_MainWindow
from Mp3Info import GetMp3Info
from PyQt5.QtMultimedia import QMediaPlayer, QMediaPlaylist, QMediaContent
import sys
import os
class My(QMainWindow, Ui_MainWindow):
def __init__(self):
super().__init__()
win = self.setupUi(self)
self.player = QMediaPlayer() # 创建播放器
self.playList = QMediaPlaylist() # 创建播放列表
self.playList.setPlaybackMode(QMediaPlaylist.Loop) # 设置循环播放
self.determineExistPlayDir()
self.singalAndSlot()
self.setWindowFlags(Qt.WindowCloseButtonHint) # 取消窗口最大化和最小化
self.songListSet()
def songListSet(self):
'''在界面显示歌曲列表'''
self.model = QStandardItemModel(0, 4) # 创造数据模型，0行，4列
self.model.setHorizontalHeaderLabels(['歌曲', '歌手', '专辑', '时长']) # 设置标题
if self.playList.mediaCount(): # 添加数据
for index in range(self.playList.mediaCount()):
path = self.playList.media(index).canonicalUrl().path()[1:]
info = GetMp3Info(path)
self.model.appendRow([ # 添加一行数据
QStandardItem(info.title),
QStandardItem(info.artist),
QStandardItem(info.album),
QStandardItem(info.length)
])
self.songList.setModel(self.model) # 把数据添加至QtableView中
self.songList.setColumnWidth(0, 350) # 设置第1列列宽
self.songList.setColumnWidth(1, 200) # 设置第2列列宽
self.songList.setColumnWidth(2, 250) # 设置第3列列宽
self.songList.setColumnWidth(3, 158) # 设置第4列列宽
self.songList.setEditTriggers(
QAbstractItemView.NoEditTriggers) # 设置不可编辑单元格
def singalAndSlot(self):
'''这里汇聚了所有的信号和槽'''
self.nextSong.clicked.connect(self.nextS)
self.preSong.clicked.connect(self.preS)
self.startStop.clicked.connect(self.startOrStop)
self.songDir.clicked.connect(self.writeDir)
self.songList.doubleClicked.connect(self.otherSong)
def otherSong(self):
'''双击后播放'''
index = self.songList.currentIndex().row() # 获取双击所在行
self.playList.setCurrentIndex(index)
self.staShow()
def noSongsMessage(self):
mess = QMessageBox.warning(self,
"温馨提示",
'列表中没有歌曲，请点击歌曲目录添加歌曲！',
QMessageBox.Yes)
def determineExistPlayDir(self):
'''判断是否存在配置文件，配置文件中是否存有播放目录'''
try:
with open('play.ini', 'r') as f:
self.url = f.read()
except:
self.url = ''
self.addSongsToPlaylist()
def writeDir(self):
'''选取要播放的歌曲目录'''
self.url = QFileDialog.getExistingDirectory(self,
"选取文件夹",
"./")
with open('play.ini', 'w') as f:
f.write(self.url)
self.addSongsToPlaylist()
self.songListSet()
def addSongsToPlaylist(self):
self.getSongs()
self.playList.clear()
if self.allSong:
for i in self.allSong:
self.playList.addMedia(QMediaContent(
QUrl.fromLocalFile(i))) # 把所有歌曲添加到列表中
self.player.setPlaylist(self.playList)
self.player.play() # 开始播放
songInfo = self.getSongInfo()
self.statusbar.showMessage(songInfo.title)
def startOrStop(self):
'''播放按键控制'''
if not self.allSong:
self.noSongsMessage()
else:
if self.player.state() == 1: #判断播放状态，1表示播放中，2表示暂停
self.player.pause()
self.statusbar.showMessage('暂停')
self.startStop.setText('播放')
elif self.player.state() == 2:
self.player.play()
self.staShow()
self.startStop.setText('暂停')
def staShow(self):
'''显示歌曲名'''
if self.allSong:
songInfo = self.getSongInfo()
self.statusbar.showMessage(songInfo.title)
def nextS(self):
'''下一首'''
if not self.allSong:
self.noSongsMessage()
else:
self.playList.next()
self.staShow()
def preS(self):
'''上一首'''
if not self.allSong:
self.noSongsMessage()
else:
self.playList.previous()
self.staShow()
def getSongInfo(self):
'''获取歌曲信息
info:歌曲信息对象
'''
path = self.player.currentMedia().canonicalUrl().path()[
1:] # 获取当前播放曲目路径
info = GetMp3Info(path)
return info
def getSongs(self):
'''
获取文件夹内所有的歌曲
'''
self.allSong = []
for root, dirs, files in os.walk(self.url):
for file in files:
if file[-3:] == 'mp3':#如果是MP3文件则加入至列表
self.allSong.append(os.path.join(root, file))
if __name__ == "__main__":
app = QApplication(sys.argv)
w = My()
w.show()
sys.exit(app.exec())
获取Mp3信息:
from mutagen.mp3 import MP3
from mutagen.id3 import ID3, APIC, TIT2, TPE1, TALB
import os
class GetMp3Info():
'''获取歌曲信息'''
def __init__(self, path):
try:
songFile = ID3(path)
except:
self.title = os.path.basename(path).split('.')[0]
self.picData=''
self.artist=''
self.album=''
self.length=''
else:
self.getTitle(songFile, path)
self.getArtist(songFile)
self.getAlbum(songFile)
self.getPicData(songFile)
songFile=MP3(path)
self.getLength(songFile)
def getTitle(self, songFile, path):
'''获取歌曲名
songFile:文件对象
path:文件地址
'''
try:
self.title = str(songFile['TIT2'])
except:
filename = os.path.basename(path) # 从地址中获取文件名
self.title = filename.split('.')[0] # 去掉文件名后缀
def getArtist(self,songFile):
'''获取歌手名
songFile:文件对象
'''
try:
self.artist=str(songFile['TPE1'])
except:
self.artist=''
def getAlbum(self,songFile):
'''获取专辑名
songFile:文件对象
'''
try:
self.album=str(songFile['TALB'])
except:
self.album=''
def getLength(self,songFile):
'''获取文件播放时时长'''
timeLength = int(songFile.info.length)
mintime = timeLength//60 #转换为分钟
sectime = timeLength % 60 #剩余的转换为秒
if sectime < 10:
sectime='0'+ str(sectime)
else:
sectime=str(sectime)
self.length=str(mintime)+":"+sectime
def getPicData(self,songFile):
try:
self.picData=songFile['APIC:Cover']
except:
self.picData=''
def SetMp3Info(path,info):
songFile = ID3(path)
songFile['APIC'] = APIC( # 插入封面
encoding=3,
mime='image/jpeg',
type=3,
desc=u'Cover',
data=info['picData']
)
songFile['TIT2'] = TIT2( # 插入歌名
encoding=3,
text=info['title']
)
songFile['TPE1'] = TPE1( # 插入第一演奏家、歌手、等
encoding=3,
text=info['artist']
)
songFile['TALB'] = TALB( # 插入专辑名
encoding=3,
text=info['album']
)
songFile.save()
if __name__=='__main__':
path='侧脸-于果.mp3'
song=GetMp3Info(path)
print(song.title,song.album,song.artist,song.length,song.picData)
print(song.title)
UI:
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'g:\Mp3player\playerUi3.ui'
#
# Created by: PyQt5 UI code generator 5.12.2
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.setEnabled(True)
MainWindow.resize(1005, 420)
MainWindow.setMinimumSize(QtCore.QSize(0, 0))
MainWindow.setMaximumSize(QtCore.QSize(10000, 10000))
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.layoutWidget = QtWidgets.QWidget(self.centralwidget)
self.layoutWidget.setGeometry(QtCore.QRect(320, 360, 263, 32))
self.layoutWidget.setObjectName("layoutWidget")
self.horizontalLayout = QtWidgets.QHBoxLayout(self.layoutWidget)
self.horizontalLayout.setContentsMargins(0, 0, 0, 0)
self.horizontalLayout.setObjectName("horizontalLayout")
self.preSong = QtWidgets.QPushButton(self.layoutWidget)
self.preSong.setMinimumSize(QtCore.QSize(60, 30))
self.preSong.setMaximumSize(QtCore.QSize(60, 30))
self.preSong.setToolTipDuration(0)
self.preSong.setStyleSheet("background:white; border:0px;border-radius:10px")
self.preSong.setObjectName("preSong")
self.horizontalLayout.addWidget(self.preSong)
self.startStop = QtWidgets.QPushButton(self.layoutWidget)
self.startStop.setMinimumSize(QtCore.QSize(60, 30))
self.startStop.setMaximumSize(QtCore.QSize(60, 30))
self.startStop.setToolTipDuration(0)
self.startStop.setStyleSheet("background:white; border:0px;border-radius:10px")
self.startStop.setObjectName("startStop")
self.horizontalLayout.addWidget(self.startStop)
self.nextSong = QtWidgets.QPushButton(self.layoutWidget)
self.nextSong.setMinimumSize(QtCore.QSize(60, 30))
self.nextSong.setMaximumSize(QtCore.QSize(60, 30))
self.nextSong.setToolTipDuration(0)
self.nextSong.setStyleSheet("background:white; border:0px;border-radius:10px")
self.nextSong.setObjectName("nextSong")
self.horizontalLayout.addWidget(self.nextSong)
self.songDir = QtWidgets.QPushButton(self.layoutWidget)
self.songDir.setMinimumSize(QtCore.QSize(60, 30))
self.songDir.setMaximumSize(QtCore.QSize(60, 30))
self.songDir.setToolTipDuration(0)
self.songDir.setStyleSheet("background:white; border:0px;border-radius:10px")
self.songDir.setObjectName("songDir")
self.horizontalLayout.addWidget(self.songDir)
self.songList = QtWidgets.QTableView(self.centralwidget)
self.songList.setGeometry(QtCore.QRect(0, 0, 1011, 351))
self.songList.setLineWidth(1)
self.songList.setMidLineWidth(0)
self.songList.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOn)
self.songList.setSelectionBehavior(QtWidgets.QAbstractItemView.SelectRows)
self.songList.setTextElideMode(QtCore.Qt.ElideLeft)
self.songList.setShowGrid(False)
self.songList.setObjectName("songList")
MainWindow.setCentralWidget(self.centralwidget)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "Mp3Player"))
self.preSong.setText(_translate("MainWindow", "上一首"))
self.startStop.setText(_translate("MainWindow", "暂停"))
self.nextSong.setText(_translate("MainWindow", "下一首"))
self.songDir.setText(_translate("MainWindow", "歌曲目录"))