今天小编就为大家分享一篇pyqt5对用qt designer设计的窗体实现弹出子窗口的示例，具有很好的参考价值，希望对大家有所帮助。一起跟随小编过来看看吧

1. 用qt designer编写主窗体，窗体类型是MainWindow，空白窗口上一个按钮。并转换成mainWindow.py # -*- coding: utf-8 -*- # Form implementation generated from reading ui file 'f.ui' # # Created by: PyQt5 UI code generator 5.9 # # WARNING! All changes made in this file will be lost!