PyQt5打开文件对话框QFileDialog

柔光的暖阳◎ 2022-06-07 00:36 263阅读 0赞

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python：3.5  
PyQt5  
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单个文件打开 QFileDialog.getOpenFileName()  
多个文件打开 QFileDialog.getOpenFileNames()  
文件夹选取 QFileDialog.getExistingDirectory()  
文件保存 QFileDialog.getSaveFileName()

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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_())