Pyqt4 Tutorial widget Using sample sharing

The code is as follows:

#-*-Coding:utf-8-*-
Import Sys
From PYQT4 import Qtcore, Qtgui
Class Mywindow (Qtgui.qwidget):
def __init__ (self, Parent=none):
qtgui.qwidget.__init__ (self,parent)
Self.setwindowtitle ("Weather")
Self.resize (1000, 200)
Girdlayout = Qtgui.qgridlayout ()
#标签
str = "Weather"
Label1 = Qtgui.qlabel (str)
Girdlayout.addwidget (label1, 0, 0)
#按钮
button1 = Qtgui.qpushbutton (' button1 ')
Girdlayout.addwidget (button1, 0, 1)
#文本条
Textfile = Qtgui.qlineedit ()
Girdlayout.addwidget (textfile, 0, 2)
#密码条
Passwordfile = Qtgui.qlineedit ()
Passwordfile.setechomode (QtGui.QLineEdit.Password)
Girdlayout.addwidget (Passwordfile, 1, 2)
#编辑框
TextArea = Qtgui.qtextedit ()
Girdlayout.addwidget (TextArea, 2, 2)
#单选框 & check box
Self.radio1 = Qtgui.qradiobutton (' Radio1 ')
Self.radio2 = Qtgui.qradiobutton (' Radio2 ')
Self.radio3 = Qtgui.qradiobutton (' Radio3 ')
Girdlayout.addwidget (Self.radio1, 3, 0)
Girdlayout.addwidget (Self.radio2, 3, 1)
Girdlayout.addwidget (Self.radio3, 3, 2)
CheckBox1 = Qtgui.qcheckbox (' CheckBox1 ')
CheckBox2 = Qtgui.qcheckbox (' CheckBox2 ')
Checkbox3 = Qtgui.qcheckbox (' CheckBox2 ')
Girdlayout.addwidget (CheckBox1, 4, 0)
Girdlayout.addwidget (CheckBox2, 4, 1)
Girdlayout.addwidget (Checkbox3, 4, 2)

Self.button = Qtgui.qpushbutton (' OK ')
Girdlayout.addwidget (Self.button, 5, 0)

Self.connect (Self.button, Qtcore.signal (' clicked () '), self. Onbutton)
Self.setlayout (Girdlayout)

def Onbutton (self):
If Self.radio2.isChecked ():
Self.radio2.setText (' haha ')



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

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