PyQtsn 仅适用于前端

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_())

<?xml version="1.0" encoding="utf-8"?><ui version="4.0"> <class>mainwindow</class> <widget class="qmainwindow" name="mainwindow">  <property name="geometry">   <rect>    <x>0</x>    <y>0</y>    <width>1126</width>    <height>694</height>   </rect>  </property>  <property name="windowtitle">   <string>security analysis of the smart home system</string>  </property>  <property name="stylesheet">   <string notr="true"/>  </property>

def retranslateUi(self, MainWindow):        _translate = QtCore.QCoreApplication.translate        MainWindow.setWindowTitle(_translate("MainWindow", "Security analysis of the Smart Home system"))        self.label.setText(_translate("MainWindow", "Select Smart Home options"))        self.label_2.setText(_translate("MainWindow", "Smart lighting solutions:"))        self.label_3.setText(_translate("MainWindow", "Smart home appliances:"))        self.label_4.setText(_translate("MainWindow", "Control modules:"))        self.label_5.setText(_translate("MainWindow", "Smart CCTV Cameras:"))        self.label_6.setText(_translate("MainWindow", "Smart Garage Door Openers:"))        self.label_7.setText(_translate("MainWindow", "Smart Home Sensors:"))        self.pushButton.setText(_translate("MainWindow", "Analyze"))