# -*- coding:utf-8 -*-
'''
Created on Sep 14, 2018 @author: SaShuangYiBing Comment: This example is show which sender was triggered.
创建了两个按钮。在buttonClicked()方法中通过调用sender()方法来判断当前按下的是哪个按钮
'''
import sys
from PyQt5.QtWidgets import QApplication,QMainWindow,QPushButton class New_test(QMainWindow):
def __init__(self):
super().__init__()
self.initUI() def initUI(self):
btn1 = QPushButton('Button1',self)
btn1.move(30,50)
btn2 = QPushButton('Button2',self)
btn2.move(150,50) btn1.clicked.connect(self.buttonClicked)
btn2.clicked.connect(self.buttonClicked) self.statusBar() self.setGeometry(300,300,290,150)
self.setWindowTitle('Event Sender')
self.show() def buttonClicked(self):
sender = self.sender()
self.statusBar().showMessage(sender.text() + ' was pressed') # 通过调用sender()方法来判断信号源, 并将其名称显示在窗体的状态栏中 if __name__ == '__main__':
app = QApplication(sys.argv)
ex = New_test()
sys.exit(app.exec_())
按下 button1时在status bar的提示语:
按下 button2时在 status bar的提示语: