PyQt5 QInputDialog对话框

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QGridLayout, QPushButton, QLabel, QInputDialog


class Example(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.resize(250, 155)
        self.setWindowTitle(‘title‘)
       
        self.name = QLabel(‘Name‘, self)
        self.sex = QLabel(‘Sex‘, self)
        self.age = QLabel(‘Age‘, self)

        self.cname = QLabel()
        self.csex = QLabel()
        self.cage = QLabel()

        self.button = QPushButton(‘Update‘, self)
        self.button.clicked.connect(self.update)

        self.gird= QGridLayout()
        self.gird.addWidget(self.name, 0, 0)
        self.gird.addWidget(self.cname, 0, 1)
        self.gird.addWidget(self.sex, 1, 0)
        self.gird.addWidget(self.csex, 1, 1)
        self.gird.addWidget(self.age, 2, 0)
        self.gird.addWidget(self.cage, 2, 1)
        self.gird.addWidget(self.button)
        self.setLayout(self.gird)

        self.show()
    
    def update(self):
        sexx = [‘男‘,‘女‘]
        name, n = QInputDialog.getText(self, ‘Update name‘, ‘New Name‘)
        if n:
            self.cname.setText(name)
        sex, s = QInputDialog.getItem(self, ‘Update sex‘, ‘New Sex‘, sexx)
        if s:
            self.csex.setText(sex)
        age, a = QInputDialog.getInt(self, ‘Update age‘, ‘New Age‘)
        if a:
            self.cage.setText(str(age))

if __name__ == "__main__":
    app = QApplication(sys.argv)
    ex = Example()
    sys.exit(app.exec_())