学会使用QDialog显示对话框(2020年8月10号)
import sys
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5.QtWidgets import *
class QDialogDemo(QMainWindow):
def __init__(self):
super(QDialogDemo,self).__init__()
self.initUI()
def initUI(self):
self.setWindowTitle('QDialog案列')
self.resize(300,200)
self.button = QPushButton(self)
self.button.setText('点我呀')
self.button.move(100,100)
self.button.clicked.connect(self.showDialog)
def showDialog(self):
dialog = QDialog()
button = QPushButton('OK',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)
main = QDialogDemo()
main.show()
sys.exit(app.exec_())
代码运行效果入下图:
点击“点我呀”出现如下图对话框: