PyQt基础_014_对话框类控件QFileDialog

本文主要是介绍PyQt基础_014_对话框类控件QFileDialog，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

基本操作

import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *class filedialogdemo(QWidget):def __init__(self, parent=None):super(filedialogdemo, self).__init__(parent)layout = QVBoxLayout()self.btn = QPushButton("Open Picture")self.btn.clicked.connect(self.getfile)layout.addWidget(self.btn)self.le = QLabel("")layout.addWidget(self.le)self.btn1 = QPushButton("Open file")self.btn1.clicked.connect(self.getfiles)layout.addWidget(self.btn1)self.contents = QTextEdit()layout.addWidget(self.contents)self.setLayout(layout)self.setWindowTitle("File Dialog 例子")def getfile(self):fname, _ = QFileDialog.getOpenFileName(self, 'Open file', 'c:\\',"Image files (*.jpg *.gif)")self.le.setPixmap(QPixmap(fname))def getfiles(self):dlg = QFileDialog()dlg.setFileMode(QFileDialog.AnyFile)dlg.setFilter( QDir.Files )if dlg.exec_():filenames= dlg.selectedFiles()f = open(filenames[0], 'r') with f:data = f.read()self.contents.setText(data) if __name__ == '__main__':app = QApplication(sys.argv)ex = filedialogdemo()ex.show()sys.exit(app.exec_())

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