python-3.x - pyqt5中的连接功能不起作用

Question

我最近从 pyside 迁移到 pyqt5，但出现了问题。我在网上查了一下，显然，使用 pyqt4 并迁移到 pyqt5 的人已经发生过这种情况。但是，它并没有真正帮助...我尝试在 Qobject 之后添加 pyqtSignal 但它仍然无法正常工作。请帮忙。 这些是我的代码行:

QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL("accepted()"),Dialog.accept)
QtCore.QObject.connect(self.buttonBox, QtCore.SIGNAL("rejected()"), Dialog.reject)

这是我运行它时出现的内容:

AttributeError: type object 'QObject' has no attribute 'connect'

Answer 1

from the docs :

connect(slot[, type=PyQt5.QtCore.Qt.AutoConnection[, no_receiver_check=False]])

Connect a signal to a slot. An exception will be raised if the connection failed. Parameters:

• slot – the slot to connect to, either a Python callable or another bound signal.
• type – the type of the connection to make.
• no_receiver_check – suppress the check that the underlying C++ receiver instance still exists and deliver the signal anyway.

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举个例子:

self.buttonBox.accepted.connect(Dialog.accept) # pyqt5

QtCore.QObject.connect(self.buttonBox.rejected, Dialog.reject) # pyqt4

_{作为旁注，“Dialog”听起来像一个类，您可能想要连接到一个实例，否则请考虑使用小写前字母命名您的实例...}