pyqt5 实现工具栏文字图片同时显示

import sysfrom PyQt5.QtWidgets import QMainWindow, QTextEdit, QAction, QApplicationfrom PyQt5.QtGui import QIconfrom PyQt5.QtCore import Qtclass Example(QMainWindow):  def __init__(self):    super().__init__()    self.initUI()  def initUI(self):    textEdit = QTextEdit()    self.setCentralWidget(textEdit)    exitAction = QAction(QIcon('images/exit.png'), 'Exit',self)    exitAction.setShortcut('Ctrl+Q')    exitAction.setStatusTip('Exit application')    exitAction.triggered.connect(self.close)    self.statusBar()    menubar = self.menuBar()    fileMenu = menubar.addMenu('&File')    fileMenu.addAction(exitAction)    toolbar = self.addToolBar('Exit')    # toolbar.setToolButtonStyle(Qt.ToolButtonTextUnderIcon) # 文字图片垂直排列    toolbar.setToolButtonStyle(Qt.ToolButtonTextBesideIcon) # 文字图片水平排列    toolbar.addAction(exitAction)    self.setGeometry(300, 300, 350, 250)    self.setWindowTitle('Main window')    self.show()if __name__ == '__main__':  app = QApplication(sys.argv)  ex = Example()  sys.exit(app.exec_())