pyqt一个小例子

# -*- coding: utf-8 -*-

__author__ = ‘Administrator‘

from PyQt4 import Qt,QtCore,QtGui

import sys,random,operator,decimal,threading,time,winsound

class E_24(QtGui.QDialog):

    def __init__(self,parent=None):

        super(E_24,self).__init__(parent)

        self.setWindowIcon(QtGui.QIcon(‘I/i24.png‘))

        self.setStyleSheet("* {  margin-top:0pt; ">        self.resize(400,300)

        self.setWindowTitle(U‘24点测试v1.0版本‘)

        labe1=QtGui.QLabel(self)

        self.text1=QtGui.QLineEdit(u‘‘,self)#第一个数字

        self.text1.setStyleSheet("* {  margin-top:0pt; ">        labe2=QtGui.QLabel(self)

        self.text2=QtGui.QLineEdit(u‘‘,self)#第二个数字

        self.text2.setStyleSheet("* {  margin-top:0pt; ">        labe3=QtGui.QLabel(self)

        self.text3=QtGui.QLineEdit(u‘‘,self)#第三个数字

        self.text3.setStyleSheet("* {  margin-top:0pt; ">        labe4=QtGui.QLabel(self)

        self.text4=QtGui.QLineEdit(u‘‘,self)#第四个数字

        self.text4.setStyleSheet("* {  margin-top:0pt; ">        labe5=QtGui.QLabel(self)

        self.text5=QtGui.QLineEdit(u‘‘,self)#第五个数字

        self.text5.setStyleSheet("* {  margin-top:0pt; ">        self.text6=QtGui.QTextBrowser(self)

        self.text6.setStyleSheet("* {  margin-top:0pt; ">        self.button1=QtGui.QPushButton(u‘确定‘,self)

        self.button1.setStyleSheet("* {  margin-top:0pt; ">        self.button2=QtGui.QPushButton(u‘关闭‘,self)

        self.button2.setStyleSheet("* {  margin-top:0pt; ">        self.button3=QtGui.QPushButton(u‘清除‘,self)

        self.button3.setStyleSheet("* {  margin-top:0pt; ">        self.change1=QtGui.QLabel(u‘你的次数:5次‘,self)

        self.change1.setStyleSheet("* {  margin-top:0pt; ">        self.randon1=QtGui.QPushButton(u‘随机数‘,self)

        self.jia=QtGui.QPushButton(‘+‘,self)

        self.jian=QtGui.QPushButton(‘-‘,self)

        self.zuokouhao=QtGui.QPushButton(‘(‘,self)

        self.youkouhao=QtGui.QPushButton(‘)‘,self)

        self.cheng=QtGui.QPushButton(‘*‘,self)

        self.chu1=QtGui.QPushButton(‘/‘,self)

        self.chu2=QtGui.QPushButton(‘//‘,self)

        self.chu3=QtGui.QPushButton(‘%‘,self)

        self.deyu=QtGui.QPushButton(‘=‘,self)

        self.tine=QtGui.QLabel(u‘24点100秒倒计时测试‘)

        self.tinex=QtGui.QLabel(u‘100内24点测试‘)

        self.startButton=QtGui.QPushButton(‘Start‘)

        self.stopButton=QtGui.QPushButton(‘Stop‘)

        self.startButton1=QtGui.QPushButton(‘Start1‘)

        self.stopButton.setEnabled(False)

        self.timer=Timer()##!!!!!!!!!!!!!!!

        self.timer2=Timere()##############

        self.tine.setFrameStyle(Qt.QFrame.StyledPanel|

                                         Qt.QFrame.Plain)

        self.tinex.setFrameStyle(Qt.QFrame.StyledPanel|

                                         Qt.QFrame.Plain)

        self.text1.selectAll()

        self.button1.setDown(True)

        left1=QtGui.QGridLayout()

        left1.setSpacing(10)

        left1.addWidget(labe1,1,0)

        left1.addWidget(self.text1,1,0)

        left1.addWidget(labe2,2,0)

        left1.addWidget(self.text2,2,0)

        left1.addWidget(labe3,3,0)

        left1.addWidget(self.text3,3,0)

        left1.addWidget(labe4,4,0)

        left1.addWidget(self.text4,4,0)

        left1.addWidget(labe5,5,0)

        left1.addWidget(self.text5,5,0)

        left1.addWidget(self.jia,2,1)

        left1.addWidget(self.jian,2,2)

        left1.addWidget(self.zuokouhao,4,1)

        left1.addWidget(self.youkouhao,3,1)

        left1.addWidget(self.cheng,3,2)

        left1.addWidget(self.tine,6,2)

        left1.addWidget(self.chu1,4,2)

        left1.addWidget(self.chu2,5,1)

        left1.addWidget(self.chu3,5,2)

        left1.addWidget(self.text6,6,0)

        left1.addWidget(self.button1,7,1)

        left1.addWidget(self.button2,7,2)

        left1.addWidget(self.change1,1,1)

        left1.addWidget(self.button3,8,1)

        left1.addWidget(self.randon1,8,2)

        left1.addWidget(self.deyu,6,1)

        left1.addWidget(self.startButton,1,2)

        left1.addWidget(self.stopButton,1,3)

        left1.addWidget(self.tinex,2,3)

        left1.addWidget(self.startButton1,3,3)

        l=QtGui.QVBoxLayout()

        l.addLayout(left1)

        self.setLayout(l)

        QtCore.QObject.connect(self.button3,QtCore.SIGNAL(‘clicked()‘),self.__clear__)

        QtCore.QObject.connect(self.button2,QtCore.SIGNAL(‘clicked()‘),self.__close__)

        QtCore.QObject.connect(self.text1,QtCore.SIGNAL("textChanged(const QString &)"),self.__update__1)

        QtCore.QObject.connect(self.text2,QtCore.SIGNAL("textChanged(const QString &)"),self.__update__2)

        QtCore.QObject.connect(self.text3,QtCore.SIGNAL("textChanged(const QString &)"),self.__update__3)

        QtCore.QObject.connect(self.text4,QtCore.SIGNAL("textChanged(const QString &)"),self.__update__4)

        QtCore.QObject.connect(self.text5,QtCore.SIGNAL("textChanged(const QString &)"),self.__update__5)

        QtCore.QObject.connect(self.randon1,QtCore.SIGNAL(‘clicked()‘),self.__random__)

        #QtCore.QObject.connect(self.button1,QtCore.SIGNAL(‘clicked()‘),self._ty_)

        self.text1.textChanged[str].connect(self._ty_)

        self.text2.textChanged[str].connect(self._ty_)

        self.text3.textChanged[str].connect(self._ty_)

        self.text4.textChanged[str].connect(self._ty_)

        self.text5.textChanged[str].connect(self._ty_)

        re1=QtCore.QRegExp(‘[0-9+()*/%//=-]*‘)

        self.text1.setValidator(QtGui.QRegExpValidator(re1,self))

        self.text2.setValidator(QtGui.QRegExpValidator(re1,self))

        self.text3.setValidator(QtGui.QRegExpValidator(re1,self))

        self.text4.setValidator(QtGui.QRegExpValidator(re1,self))

        self.text5.setValidator(QtGui.QRegExpValidator(re1,self))

        QtCore.QObject.connect(self.jia,QtCore.SIGNAL(‘clicked()‘),self.__add1)

        QtCore.QObject.connect(self.jian,QtCore.SIGNAL(‘clicked()‘),self.__jian)

        QtCore.QObject.connect(self.zuokouhao,QtCore.SIGNAL(‘clicked()‘),self.__zuo)

        QtCore.QObject.connect(self.youkouhao,QtCore.SIGNAL(‘clicked()‘),self.__you)

        QtCore.QObject.connect(self.cheng,QtCore.SIGNAL(‘clicked()‘),self.__cheng)

        QtCore.QObject.connect(self.chu1,QtCore.SIGNAL(‘clicked()‘),self.__c1)

        QtCore.QObject.connect(self.chu2,QtCore.SIGNAL(‘clicked()‘),self.__c2)

        QtCore.QObject.connect(self.chu3,QtCore.SIGNAL(‘clicked()‘),self.__c3)

        QtCore.QObject.connect(self.deyu,QtCore.SIGNAL(‘clicked()‘),self.__deyu)

        QtCore.QObject.connect(self.button1,QtCore.SIGNAL(‘clicked()‘),self.error)

        self.connect(self.startButton, QtCore.SIGNAL("clicked()")

                        ,self.start)

        self.connect(self.stopButton, QtCore.SIGNAL("clicked()")

                        , self.stop)

        self.connect(self.timer, QtCore.SIGNAL("updateTime()")

                        , self.updateTime)

        self.setWindowFlags(QtCore.Qt.WindowMaximizeButtonHint)

        self.button1.setEnabled(False)

        self.button2.setEnabled(False)

        self.button3.setEnabled(False)

        self.randon1.setEnabled(False)

        self.jian.setEnabled(False)

        self.jia.setEnabled(False)

        self.chu3.setEnabled(False)

        self.chu2.setEnabled(False)

        self.chu1.setEnabled(False)

        self.cheng.setEnabled(False)

        self.zuokouhao.setEnabled(False)

        self.youkouhao.setEnabled(False)

        self.text1.setEnabled(False)

        self.text6.setEnabled(False)

        self.text4.setEnabled(False)

        self.text5.setEnabled(False)

        self.text2.setEnabled(False)

        self.text3.setEnabled(False)

        self.tine.setEnabled(True)

        self.text6.setEnabled(False)

        self.deyu.setEnabled(False)

        self.tinex.setEnabled(False)

        self.startButton1.setEnabled(False)

        self.connect(self.startButton1, QtCore.SIGNAL("clicked()")

                        , self.start1)

        self.connect(self.stopButton, QtCore.SIGNAL("clicked()")

                        , self.stop1)

        self.connect(self.timer2, QtCore.SIGNAL("updateTime()")

                        , self.updateTime1)

    def updateTime1(self):

        self.tinex.setText(u"游戏时间: %s s" % QtCore.QString.number(self.sec))

        self.sec += 1

        if self.sec>5:

            self.tinex.setText(u‘线束‘)

    def start1(self):

        self.sec = 0

        self.startButton1.setEnabled(False)

        self.startButton.setEnabled(False)

        self.stopButton.setEnabled(True)

        self.timer2.start()

    def stop1(self):

        self.timer2.stop()

        self.stopButton.setEnabled(False)

        self.startButton.setEnabled(True)

        self.startButton1.setEnabled(False)

        self.tinex.setText(u"游戏结束")

    def updateTime(self):

        self.tine.setText(u"离游戏开始还有:%s秒" %QtCore.QString.number(self._time1))

        self._time1-=1

        if self._time1<0:

            self.timer.stop()

            self.tine.setText(u‘时间到了,游戏开始‘)

            self.tinex.setEnabled(False)

            self.startButton.setEnabled(True)

            self.stopButton.setEnabled(False)

            self.button1.setEnabled(True)

            self.button2.setEnabled(True)

            self.button3.setEnabled(True)

            self.randon1.setEnabled(True)

            self.jian.setEnabled(True)

            self.jia.setEnabled(True)

            self.chu3.setEnabled(True)

            self.chu2.setEnabled(True)

            self.chu1.setEnabled(True)

            self.cheng.setEnabled(True)

            self.zuokouhao.setEnabled(True)

            self.youkouhao.setEnabled(True)

            self.text1.setEnabled(True)

            self.text6.setEnabled(True)

            self.text4.setEnabled(True)

            self.text5.setEnabled(True)

            self.text2.setEnabled(True)

            self.text3.setEnabled(True)

            self.tine.setEnabled(False)

            self.text6.setEnabled(True)

            self.deyu.setEnabled(True)

            self.tinex.setEnabled(True)

            self.startButton1.setEnabled(True)

    def start(self):

        self._time1=5

        self.startButton.setEnabled(False)

        self.startButton1.setEnabled(False)

        self.stopButton.setEnabled(True)

        self.timer.start()

    def stop(self):

        self.timer.stop()

        self.stopButton.setEnabled(False)

        self.startButton1.setEnabled(True)

        self.startButton.setEnabled(True)

        self.button1.setEnabled(False)

        self.button2.setEnabled(False)

        self.button3.setEnabled(False)

        self.randon1.setEnabled(False)

        self.jian.setEnabled(False)

        self.jia.setEnabled(False)

        self.chu3.setEnabled(False)

        self.chu2.setEnabled(False)

        self.chu1.setEnabled(False)

        self.cheng.setEnabled(False)

        self.zuokouhao.setEnabled(False)

        self.youkouhao.setEnabled(False)

        self.text1.setEnabled(False)

        self.text6.setEnabled(False)

        self.text4.setEnabled(False)

        self.text5.setEnabled(False)

        self.text2.setEnabled(False)

        self.text3.setEnabled(False)

        self.tine.setEnabled(True)

        self.text6.setEnabled(False)

        self.deyu.setEnabled(False)

        self.startButton1.setEnabled(False)

        self.tine.setText(u"重置倒计时时间")

    def __deyu(self):

        self.text6.append(str(‘=‘))

    def __add1(self):

        self.text6.append(str(‘+‘))

    def __jian(self):

        self.text6.append(str(‘-‘))

    def __zuo(self):

        self.text6.append(str(‘(‘))

    def __you(self):

        self.text6.append(str(‘)‘))

    def __cheng(self):

        self.text6.append(str(‘*‘))

    def __c1(self):

        self.text6.append(str(‘/‘))

    def __c2(self):

        self.text6.append(str(‘//‘))

    def __c3(self):

        self.text6.append(str(‘%‘))

    def _ty_(self,text):

        self.text6.append(text)

        self.text6.adjustSize()

    def __random__(self):

        lst=[self.text1,self.text4,self.text3,self.text5,self.text2]

        num1=[1,2,3,4,5,6,7,8,9,0]

        if lst!=‘‘:

            s=random.sample(num1,5)

            self.text1.setText(str(s[0]))

            self.text2.setText(str(s[1]))

            self.text3.setText(str(s[2]))

            self.text4.setText(str(s[3]))

            self.text5.setText(str(s[4]))

        else:

            return

    def __update__1(self):

        self.button3.setEnabled(True)

    def __update__2(self):

        self.button3.setEnabled(True)

    def __update__3(self):

        self.button3.setEnabled(True)

    def __update__4(self):

        self.button3.setEnabled(True)

    def __update__5(self):

        self.button3.setEnabled(True)

    def __clear__(self):

        self.button3.setEnabled(False)

        lst=[self.text1,self.text4,self.text3,self.text5,self.text2]

        if lst!=0:

            self.text2.clear()

            self.text5.clear()

            self.text3.clear()

            self.text1.clear()

            self.text4.clear()

            self.text6.clear()

            self.button3.setEnabled(False)

    def __close__(self):

        sys.exit(0)

    def error(self):

        try:

            if int(decimal.Decimal(str(self.text1.text()))):

                pass

            if int(decimal.Decimal(str(self.text2.text()))):

                pass

            if int(decimal.Decimal(str(self.text3.text()))):

                pass

            if int(decimal.Decimal(str(self.text4.text()))):

                pass

            if int(decimal.Decimal(str(self.text5.text()))):

                pass

        except Exception:

            if  (self.text1.text())==‘‘:

                print  QtGui.QMessageBox.information(self,u‘错误提示‘,u‘第一项错误:self.text1，请重新输入‘,2)

            elif  (self.text2.text())==‘‘:

                print  QtGui.QMessageBox.information(self,u‘错误提示‘,u‘第二项错误:self.text2，请重新输入‘,2)

            elif  (self.text3.text())==‘‘:

                print  QtGui.QMessageBox.information(self,u‘错误提示‘,u‘第三项错误:self.text3，请重新输入‘,2)

            elif  (self.text4.text())==‘‘:

                print  QtGui.QMessageBox.information(self,u‘错误提示‘,u‘第四项错误:self.text4，请重新输入‘,2)

            elif  (self.text5.text())==‘‘:

                print  QtGui.QMessageBox.information(self,u‘错误提示‘,u‘第五项错误:self.text5，请重新输入‘,2)

class Timer(QtCore.QThread):

    def __init__(self, parent=None):

        super(Timer, self).__init__(parent)

        self.stoped = False

        self.mutex = QtCore.QMutex()

    def run(self):

        with QtCore.QMutexLocker(self.mutex):

            self.stoped = False

        while True:

            if self.stoped:

                return

            self.emit(QtCore.SIGNAL("updateTime()"))

            time.sleep(1)

    def stop(self):

        with QtCore.QMutexLocker(self.mutex):

            self.stoped = True

    def isStoped(self):

        with QtCore.QMutexLocker(self.mutex):

            return self.stoped

class Timere(QtCore.QThread):

    def __init__(self, parent=None):

        super(Timere, self).__init__(parent)

        self.stoped = False

        self.mutex = QtCore.QMutex()

    def run(self):

        with QtCore.QMutexLocker(self.mutex):

            self.stoped = False

        while True:

            if self.stoped:

                return

            self.emit(QtCore.SIGNAL("updateTime()"))

            time.sleep(1)

    def stop(self):

        with QtCore.QMutexLocker(self.mutex):

            self.stoped = True

    def isStoped(self):

        with QtCore.QMutexLocker(self.mutex):

            return self.stoped

app=QtGui.QApplication(sys.argv)

e_24=E_24()

e_24.show()

sys.exit(app.exec_())

如图:

pyqt一个小例子