Python 使用PyQt5 完成选择文件或目录的对话框方法_Python

Python 使用PyQt5 完成选择文件或目录的对话框方法

2021-07-25 00:2843311120 Python

今天小编就为大家分享一篇Python 使用PyQt5 完成选择文件或目录的对话框方法。具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

如下所示：

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									import sys

									from PyQt5.QtWidgets import QMainWindow,QApplication,QTextEdit,QAction,QFileDialog

									from PyQt5.QtGui import QIcon

									class Example(QMainWindow):

									  def __init__(self):

									    super(Example, self).__init__()

									    self.initUI()

									  def initUI(self):

									    self.textEdit = QTextEdit()

									    self.setCentralWidget(self.textEdit)

									    self.statusBar()

									    openfile = QAction(QIcon(r'C:\Users\Administrator\PycharmProjects\QT\picture\文件.jpg'),'open',self)

									    openfile.setShortcut("Ctrl + 0")

									    openfile.setStatusTip('open new file')

									    openfile.triggered.connect(self.showDialog)

									    menubar = self.menuBar()

									    filemune = menubar.addMenu('$File')

									    filemune.addAction(openfile)

									    self.setGeometry(300,300,300,300)

									    self.setWindowTitle('FIEL dialog')

									    self.show()

									  def showDialog(self):

									    fname = QFileDialog.getOpenFileName(self,'open file', '/')

									    if fname[0]:

									      try:

									        f = open(fname[0], 'r')

									        with f:

									          data = f.read()

									          self.textEdit.setText(data)

									      except:

									        self.textEdit.setText("打开文件失败，可能是文件内型错误")

									if __name__ == "__main__":

									    app = QApplication(sys.argv)

									    ex = Example()

									    sys.exit(app.exec_())