pyqt5按钮添加事件,pyqt5右键菜单

PyQt5文件按钮from pyqt 5导入Qt core，QtGui，qtwidgetsclassUI_Form(object ) :defsetupUI ) self，form ) : form.serm 352 ) self.choose1=Qt widgets.qpushbutton ) form ) form 140，75， 23 ) ) self.choose1. set object name (' choose1' ) self.retranslateui(form ) Qt core.qmetaobject.connects sion form (从

importsysfrompyqt5. qtwidgetsimportqapplication、QMainWindow、QFileDialog、 qwidgetfromtest 6导入ui _ formclassdemo (ui _ form (: def _ init _ ) self ) :super ) demo，self(_init_ () _=qfiledialog.get open filename (if _ _ name _==' _ _ main _ ' 3360 app=qapplication ) sys.argv ) demain