PyQt4 单击事件

>>> from PyQt4 import QtGui>>> import sys>>> app = QtGui.QApplication(sys.argv)>>> button = QtGui.QPushButton("Click me")>>> button.move(QtGui.QCursor.pos())>>> button.show()>>> button.raise_()>>> def hello():...     print "hello"...>>> hello()hello>>> button.clicked.connect(hello)>>> hellohellohellohellohellohellohellohellohellobutton.clicked.disconnect(hello)>>>