QDialog/QMessageBox,QFileDialog,QFontDialog,QInputDialog
setWindowModality():Qt.NonModal,Qt.WindowModal,Qt.ApplicationModal
''' 【简介】 PyQt5中 QDialog 例子
'''
import sys from PyQt5.QtCore import * from PyQt5.QtGui import * from PyQt5.QtWidgets import *
class DialogDemo(QMainWindow):
def __init__(self, parent=None):
super(DialogDemo, self).__init__(parent)
self.setWindowTitle("Dialog 例子")
self.resize(350, 300)
self.btn = QPushButton(self)
self.btn.setText("弹出对话框")
self.btn.move(50, 50)
self.btn.clicked.connect(self.showdialog)
def showdialog(self):
dialog = QDialog()
btn = QPushButton("ok", dialog)
btn.move(50, 50)
dialog.setWindowTitle("Dialog")
dialog.setWindowModality(Qt.ApplicationModal)
dialog.exec_()
if name == 'main': app = QApplication(sys.argv) demo = DialogDemo() demo.show() sys.exit(app.exec_())