需求

要求可以读取音频文档，有播放和暂停的功能

附上代码
（1）UI界面

# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'UiForm.ui'

#

# Created by: PyQt5 UI code generator 5.15.1

#

# WARNING: Any manual changes made to this file will be lost when pyuic5 is

# run again.  Do not edit this file unless you know what you are doing.

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_Form(object):

    def setupUi(self, Form):

        Form.setObjectName("Form")

        Form.resize(750, 350)

        self.btn_readMusic = QtWidgets.QPushButton(Form)

        self.btn_readMusic.setGeometry(QtCore.QRect(140, 200, 93, 28))

        self.btn_readMusic.setObjectName("btn_readMusic")

        self.btn_play = QtWidgets.QPushButton(Form)

        self.btn_play.setGeometry(QtCore.QRect(310, 200, 93, 28))

        self.btn_play.setObjectName("btn_play")

        self.btn_pause = QtWidgets.QPushButton(Form)

        self.btn_pause.setGeometry(QtCore.QRect(490, 200, 93, 28))

        self.btn_pause.setObjectName("btn_pause")

        self.label = QtWidgets.QLabel(Form)

        self.label.setGeometry(QtCore.QRect(50, 110, 81, 21))

        self.label.setObjectName("label")

        self.label_MusicMessage = QtWidgets.QLabel(Form)

        self.label_MusicMessage.setGeometry(QtCore.QRect(140, 110, 591, 21))

        self.label_MusicMessage.setObjectName("label_MusicMessage")

        self.retranslateUi(Form)

        QtCore.QMetaObject.connectSlotsByName(Form)

    def retranslateUi(self, Form):

        _translate = QtCore.QCoreApplication.translate

        Form.setWindowTitle(_translate("Form", "Form"))

        self.btn_readMusic.setText(_translate("Form", "读取音频"))

        self.btn_play.setText(_translate("Form", "播放"))

        self.btn_pause.setText(_translate("Form", "停止"))

        self.label.setText(_translate("Form", "当前播放:"))

        self.label_MusicMessage.setText(_translate("Form", "暂无"))

if __name__ == "__main__":

    import sys

    app = QtWidgets.QApplication(sys.argv)

    Form = QtWidgets.QWidget()

    ui = Ui_Form()

    ui.setupUi(Form)

    Form.show()

    sys.exit(app.exec_())

（2）逻辑处理类

# -*- coding: utf-8 -*-

# @Time    : 2021/4/2 22:23

# @Author  : Zeeland

# @File    : FunEdit.py

# @Software: PyCharm

from PyQt5.QtWidgets import QWidget,QApplication,QFileDialog,QMessageBox

from UiForm import Ui_Form

import sys,time,pygame

class FunEdit(QWidget,Ui_Form):

    '''

    初始化各方面信息

    '''

    def __init__(self):

        super(FunEdit, self).__init__()

        self.setupUi(self)#Ui初始化

        self.init()

    '''

    该方法用于信号与槽的绑定

    '''

    def init(self):

        self.btn_readMusic.clicked.connect(self.readMusic)

        self.btn_play.clicked.connect(self.start)

        self.btn_pause.clicked.connect(self.pause)

    '''

    读取音频

    '''

    def readMusic(self):

        #读取特定格式的文件,传入一个self,"标题名","初始显示文件夹的路径","特定格式(以两个分号区分)"

        #该方法返回一个Tuple,分别为str类型的路径名和file的type(eg:MP3)

        self.fdir,self.ftype =QFileDialog.getOpenFileName(self,"Open File","","Mp3(*.mp3);;Wav(*.wav)")

        # 判断是否为空路径，如果为空路径，则不能加载音频，否则会闪退

        if self.fdir=="":

            print("没有选择文件")

            return

        print(self.fdir)

        pygame.init()#初始化音乐播放装置，初始化后才可以使用

        self.track =pygame.mixer.music.load(str(self.fdir))#加载音频文件(放入缓存池)

        self.label_MusicMessage.setText(str(self.fdir))

    '''

    播放

    '''

    def start(self):

        if self.label_MusicMessage.text()=='暂无':

            QMessageBox.about(self,'message','当前暂无播放的音乐')

            return

        pygame.mixer.music.play()#播放

    '''

    停止播放

    '''

    def pause(self):

        if self.label_MusicMessage.text()=='暂无':

            QMessageBox.about(self,'message','当前暂无播放的音乐')

            return

        pygame.mixer.music.stop()#暂停

        self.label_MusicMessage.setText("暂停中")

'''

主方法运行入口

'''

if __name__ == '__main__':

    app = QApplication(sys.argv)

    win = FunEdit()

    win.show()

    sys.exit(app.exec())

巴特西

用pyqt5做一个简易的音乐播放器

需求

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