python pyqt5 点击按钮来打开另一个窗口

import ui_denglu as dl
import ui_zhuche as zc

from PyQt5.QtWidgets import QApplication,QMainWindow,QDialog
import sys

class parentWindow(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        self.main_ui = dl.Ui_submit_user()
        self.main_ui.setupUi(self)

class childWindow(QDialog):
    def __init__(self):
        QDialog.__init__(self)
        self.child=zc.Ui_MainWindow()
        self.child.setupUi(self)


if __name__=='__main__':

    app=QApplication(sys.argv)
    window=parentWindow()
    child=childWindow()

    #通过toolButton将两个窗体关联
    btn=window.main_ui.pushButton_new
    btn.clicked.connect(child.show)

    # 显示
    window.show()
    sys.exit(app.exec_())

[点击并拖拽以移动]

https://blog.csdn.net/weixin_39449466/article/details/81008711                    # 原地址链接