Python 使用PyQt5 完成选择文件或目录的对话框方法
人气:0如下所示:
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_())
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