pyqt4教程之messagebox使用示例分享

yipeiwu_com5年前Python基础

复制代码 代码如下:

#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_()

相关文章

朴素贝叶斯Python实例及解析

本文实例为大家分享了Python朴素贝叶斯实例代码,供大家参考,具体内容如下 #-*- coding: utf-8 -*- #添加中文注释 from numpy import *...

利用python解决mysql视图导入导出依赖的问题

视图 视图是一个虚拟表(非真实存在),其本质是根据SQL语句获取动态的数据集,并为其命名,用户使用时只需使用名称即可获取结果集,并可以将其当作表来使用。 创建视图 创建一个名称为v1的视...

Python企业编码生成系统总体系统设计概述

Python企业编码生成系统总体系统设计概述

本文实例讲述了Python企业编码生成系统总体系统设计。分享给大家供大家参考,具体如下: 一 系统功能结构 二 系统主界面 三 认识各种编码 1&nbs...

Python实现命令行通讯录实例教程

Python实现命令行通讯录实例教程

1、实现目标 编写一个命令行通讯录程序,可以添加、查询、删除通讯录好友及电话 2、实现方法 创建一个类来表示一个人的信息。使用字典存储每个人的对象,名字作为键。 使用pickle模块...

在numpy矩阵中令小于0的元素改为0的实例

如下所示: >>> import numpy as np >>> a = np.random.randint(-5, 5, (5, 5)) >...