PyQt5多个按钮和一个更改按钮文本的功能

import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QPushButton

class ButtonExample(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        self.setWindowTitle('Button Example')
        layout = QVBoxLayout()

        # 创建多个按钮
        button1 = QPushButton('Button 1')
        button2 = QPushButton('Button 2')
        button3 = QPushButton('Button 3')

        # 绑定按钮点击事件
        button1.clicked.connect(self.buttonClicked)
        button2.clicked.connect(self.buttonClicked)
        button3.clicked.connect(self.buttonClicked)

        layout.addWidget(button1)
        layout.addWidget(button2)
        layout.addWidget(button3)

        self.setLayout(layout)
        self.show()

    def buttonClicked(self):
        # 更改按钮文本
        sender = self.sender()
        sender.setText('Clicked')

if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = ButtonExample()
    sys.exit(app.exec_())