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43 使用QDialog显示通用对话框

勇敢的趙迦禾 2022-02-19 阅读 81

对话框:QDialog

  1. QMessageBox
  2. QColorDialog
  3. QFileDialog
  4. QFontDialog
  5. QInputDialog

QMainWindow
QWidget
QDialog

import sys
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *

class QDialogDemo(QMainWindow):
    def __init__(self):
        super(QDialogDemo, self).__init__()
        self.initUI()

    def initUI(self):
        self.setWindowTitle('QDialog案例')
        self.resize(300, 200)

        self.button = QPushButton(self)
        self.button.setText('弹出对话框')
        self.button.move(50, 50)
        self.button.clicked.connect(self.showDialog)

    def showDialog(self):
        dialog = QDialog()
        button = QPushButton('确定', dialog)
        button.clicked.connect(dialog.close)
        button.move(50, 50)
        dialog.setWindowTitle('对话框')
        dialog.setWindowModality(Qt.ApplicationModal)

        dialog.exec()

if __name__ == '__main__':
    app = QApplication(sys.argv)
    win = QDialogDemo()
    win.show()
    sys.exit(app.exec_())

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