pyQt5 button 事件(紀錄)

def setupUi(self, Form):
    Form.setObjectName("Form")
    Form.resize(489, 400)
    self.bt_file01 = QtWidgets.QPushButton(Form)
    self.bt_file01.setGeometry(QtCore.QRect(100, 140, 91, 51))
    self.bt_file01.setObjectName("bt_file01")
    self.bt_file01.clicked.connect(self.hello)

def hello(self):
    self.lb_title.setText("hello 我被觸發了")