(self)
self.signal2.connect(self.signal1)

        self.signal2.emit(2)   # 触发了信号1

        self.signal1.disconnect(self.call1)
        self.signal1.disconnect(self.call11)
        self.signal2.disconnect(self.signal1)

        self.signal1.connect(self.call1)
        self.signal2.connect(self.call2)

        self.signal1.emit()
        self.signal2.emit(100)
self.signal2.connect(self.signal1)
self . signal2 . connect ( self . signal1 )
def __init__(self):
        super(NNSignal,self).__init__()

        self.signal1.connect(self.call1)
        self.signal1.connect(self.call11)

        self.signal3.connect(self.call1)
        self.signal1.emit()
        self.signal3.emit()
        '''
        self.signal2.connect(self.signal1)

        self.signal2.emit(2)   # 触发了信号1

        self.signal1.disconnect(self.call1)
        self.signal1.disconnect(self.call11)
        self.signal2.disconnect(self.signal1)

        self.signal1.connect(self.call1)
        self.signal2.connect(self.call2)

        self.signal1.emit()
        self.signal2.emit(100)
        '''
def __init__ ( self ) : super ( NNSignal , self ) . __init__ ( ) self . signal1 . connect ( self . call1 ) self . signal1 . connect ( self . call11 ) self . signal3 . connect ( self . call1 ) self . signal1 . emit ( ) self . signal3 . emit ( )