pyqt QFileDialog

from PyQt5 import QtWidgets
from PyQt5.QtWidgets import QFileDialog

class MyWindow(QtWidgets.QWidget):
def __init__(self):
    super(MyWindow,self).__init__()
    self.myButton = QtWidgets.QPushButton(self)
    self.myButton.setObjectName("myButton")
    self.myButton.setText("Test")
    self.myButton.clicked.connect(self.msg)

def msg(self):
    directory1 = QFileDialog.getExistingDirectory(self,
                  "选取文件夹",
                  "./")                 #起始路径
    print(directory1)

    fileName1, filetype = QFileDialog.getOpenFileName(self,
                  "选取文件",
                  "./",
                  "All Files (*);;Text Files (*.txt)") #设置文件扩展名过滤,注意用双分号间隔
    print(fileName1,filetype)

    files, ok1 = QFileDialog.getOpenFileNames(self,
                  "多文件选择",
                  "./",
                  "All Files (*);;Text Files (*.txt)")
    print(files,ok1)

    fileName2, ok2 = QFileDialog.getSaveFileName(self,
                  "文件保存",
                  "./",
                  "All Files (*);;Text Files (*.txt)")

if __name__=="__main__":
import sys

app=QtWidgets.QApplication(sys.argv)
myshow=MyWindow()
myshow.show()
sys.exit(app.exec_())

巴特西

pyqt QFileDialog

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