self.toolBar.setObjectName("toolBar") classification.addToolBar(QtCore.Qt.TopToolBarArea, self.toolBar) self.label.setBuddy(self.text) self.retranslateUi(classification) self.clear.clicked.connect(self.text.clear) QtCore.QMetaObject.connectSlotsByName(classification) classification.setTabOrder(self.text, self.sub) classification.setTabOrder(self.sub, self.clear) def retranslateUi(self, classification): _translate = QtCore.QCoreApplication.translate classification.setWindowTitle( _translate("classification", "MainWindow")) self.label.setText(_translate("classification", "输入测试文本:")) self.sub.setText(_translate("classification", "查询")) self.clear.setText(_translate("classification", "清空")) self.label_2.setText(_translate("classification", "结果显示:")) self.label_3.setText(_translate("classification", "极短文本分析-hoho")) self.toolBar.setWindowTitle(_translate("classification", "toolBar")) if __name__ == '__main__': import sys app = QtWidgets.QApplication(sys.argv) MainWindow = QtGui.MainWindow() ui = Ui_classification() ui.setupUi(MainWindow) MainWindow.show() sys.exit(app.exec_())