PYQT4 Tutorial MessageBox Use the example to share _python

Copy Code code as follows:

#coding =utf-8
#对话框
Import Sys
From PYQT4 import Qtgui, Qtcore
Class Window (Qtgui.qwidget):
def __init__ (self):
Super (Window, self). __init__ ()
Self.setwindowtitle ("Hello")
Self.resize (500, 500)

GridLayout = Qtgui.qgridlayout ()

Self. Aboutbutton = Qtgui.qpushbutton ("about")
Gridlayout.addwidget (self. Aboutbutton, 0, 0)
Self. Aboutqtbutton = Qtgui.qpushbutton ("ABOUTQT")
Gridlayout.addwidget (self. Aboutqtbutton, 0, 1)
Self. Criticalbutton = Qtgui.qpushbutton ("Criticalbutton")
Gridlayout.addwidget (self. Criticalbutton, 1, 0)
Self.infobutton = Qtgui.qpushbutton ("Info")
Gridlayout.addwidget (Self.infobutton, 1, 1)
Self. Questionbutton = Qtgui.qpushbutton ("question")
Gridlayout.addwidget (self. Questionbutton, 2, 0)
Self. Warningbutton = Qtgui.qpushbutton ("Warning")
Gridlayout.addwidget (self. Warningbutton, 2, 1)

Spacer = Qtgui.qspaceritem (200, 80)
Gridlayout.additem (Spacer, 3, 1, 1, 5)
Self.setlayout (GridLayout)

Self.connect (self. Aboutbutton, Qtcore.signal (' clicked () '), self. Onaboutbutton)
Self.connect (self. Aboutqtbutton, Qtcore.signal (' clicked () '), self. Onaboutqtbutton)
Self.connect (self. Criticalbutton, Qtcore.signal (' clicked () '), self. Oncriticalbutton)
Self.connect (Self.infobutton, Qtcore.signal (' clicked () '), self. Oninfobutton)
Self.connect (self. Questionbutton, Qtcore.signal (' clicked () '), self. Onquestionbutton)
Self.connect (self. Warningbutton, Qtcore.signal (' clicked () '), self. Onwarningbutton)

def Onaboutbutton (self):
QtGui.QMessageBox.about (self, ' PyQt ', "about")

def Onaboutqtbutton (self):
QtGui.QMessageBox.aboutQt (self, "PyQt")

def Oncriticalbutton (self):
R = QtGui.QMessageBox.critical (self, "PyQT", "Criticalbutton", QtGui.QMessageBox.Abort,
QtGui.QMessageBox.Retry, QtGui.QMessageBox.Ignore)
if r = = QtGui.QMessageBox.Abort:
Self.setwindowtitle ("Abort")
elif r = = QtGui.QMessageBox.Retry:
Self.setwindowtitle ("Retry")
elif r = = QtGui.QMessageBox.Ignore:
Self.setwindowtitle ("Ignore")
Else
Pass

def Oninfobutton (self):
QtGui.QMessageBox.information (self, "Pyqt", "Information")

def Onquestionbutton (self):
R = QtGui.QMessageBox.question (self, "PyQt", "question", QtGui.QMessageBox.Yes, QtGui.QMessageBox.No, QtGui.QMessageBox.Cancel)

def Onwarningbutton (self):
R = QtGui.QMessageBox.warning (self, "PyQT", "warning", QtGui.QMessageBox.Yes, QtGui.QMessageBox.No)


App = Qtgui.qapplication (SYS.ARGV)
Win = Window ()
Win.show ()
APP.EXEC_ ()