PyQt5—简单的信号槽

class Mywindow(QDialog,Ui_Dialog):
    def __init__(self,parent=None):
        super(Mywindow, self).__init__(parent)
        self.setupUi(self)

        self.pushButton.clicked.connect(self.setColor)

super超继承：https://blog.youkuaiyun.com/mrlevo520/article/details/51783431