QT5，多窗口之间跳转

# -*- coding: utf-8 -*-

"""
Module implementing MainWindow.
"""
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import QMainWindow
from Ui_abc import Ui_MainWindow as a



class MainWindow(QMainWindow, Ui_MainWindow):

    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget
        @type QWidget
        """
        super(MainWindow, self).__init__(parent)
        self.setupUi(self)
    
    def setupUi(self, Form): 
        Form.setObjectName("Form") 
        Form.resize(400, 300) 
        self.form = Form
        self.pushButton = QtWidgets.QPushButton(Form) 
        self.pushButton.setGeometry(QtCore.QRect(70, 90, 75, 23)) 
        self.pushButton.setObjectName("pushButton")
        self.retranslateUi(Form) 
        QtCore.QMetaObject.connectSlotsByName(Form) 
  
        #信号连接到指定槽 
        self.pushButton.clicked.connect(self.on_pushButton_clicked)

        
        
    def retranslateUi(self, Form): 
        _translate = QtCore.QCoreApplication.translate
        Form.setWindowTitle(_translate("Form", "Form", None)) 
        self.pushButton.setText(_translate("Form", "进入dialog1")) 
    
    @pyqtSlot()
    def on_pushButton_clicked(self):
        """
        Slot documentation goes here.
        """
        self.form.hide() 
        Form1 = QtWidgets.QDialog() 
        ui = a() 
        ui.setupUi(Form1) 
        Form1.show() 
        Form1.exec_() 
        self.form.show()
            
        #self.gridLayout.addWidget(self.zichuangti)
        #print(dir(a))
        
    
    @pyqtSlot()
    def on_pushButton_2_clicked(self):
        """
        Slot documentation goes here.
        """
        # TODO: not implemented yet
        print('x')
        self.textBrowser.setText('测试')
        

    
if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    ui = MainWindow()
    ui.show()
    sys.exit(app.exec())

以上代码为主窗口，槽函数实现代码

# -*- coding: utf-8 -*-

from PyQt5 import QtCore, QtGui, QtWidgets

class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(800, 600)
        self.centralWidget = QtWidgets.QWidget(MainWindow)
        self.centralWidget.setObjectName("centralWidget")
        self.textBrowser = QtWidgets.QTextBrowser(self.centralWidget)
        self.textBrowser.setGeometry(QtCore.QRect(180, 160, 256, 192))
        self.textBrowser.setObjectName("textBrowser")
        MainWindow.setCentralWidget(self.centralWidget)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
        self.textBrowser.setHtml(_translate("MainWindow", "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0//EN\" \"http://www.w3.org/TR/REC-html40/strict.dtd\">\n"
"<html><head><meta name=\"qrichtext\" content=\"1\" /><style type=\"text/css\">\n"
"p, li { white-space: pre-wrap; }\n"
"</style></head><body style=\" font-family:\'SimSun\'; font-size:9pt; font-weight:400; font-style:normal;\">\n"
"<p style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\">能不能成功</p></body></html>"))


if __name__ == "__main__":
    import sys
    app = QtWidgets.QApplication(sys.argv)
    MainWindow = QtWidgets.QMainWindow()
    ui = Ui_MainWindow()
    ui.setupUi(MainWindow)
    MainWindow.show()
    sys.exit(app.exec_())

以上代码为跳转的窗口用来测试跳转效果

QT5，多窗口之间跳转

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