课后作业-团队编程项目进度
1. Python代码:
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#!/usr/bin/env python # -*- coding: utf-8 -*- ''' Author : Mr.LiuYC Created on 2014-09-30 E-Mail : liuyanchen0725@gmail.com Introduction: 简易计算器 实现图形界面PyQt,输入框,+,—,*,/ ;乘方 ,开方 ,取余,清零。 ''' from PyQt4 import QtGui,QtCore import sys , math , string class Example(QtGui.QWidget): def __init__( self ,parent = None ): QtGui.QWidget.__init__( self ,parent = parent) self .initUI() self .last = [] def initUI( self ): list = [ '%' , '**' , 'sqrt' , 'C' , 7 , 8 , 9 , '+' , 4 , 5 , 6 , '-' , 1 , 2 , 3 , '*' , 0 , '.' , '=' , '/' ] length = len ( list ) for i in xrange (length): self .button = QtGui.QPushButton( str ( list [i]), self ) self .button.clicked.connect( self .onButtonClick) x = i % 4 y = i / 4 self .button.move(x * 40 + 10 ,y * 40 + 90 ) self .button.resize( 30 , 30 ) self .lineEdit = QtGui.QLineEdit('', self ) self .lineEdit.move( 10 , 10 ) self .lineEdit.resize( 150 , 70 ) self .setGeometry( 200 , 200 , 170 , 300 ) self .setWindowTitle( 'Quit buttom' ) self .show() def onButtonClick( self ): t = self .lineEdit.text() new = self .sender().text() self .last.append(new) print self .last self .lineEdit.setText(t + new) if new = = '=' : result = eval ( str (t)) self .lineEdit.setText( str (result)) if new = = 'C' : self .lineEdit.setText('') if new = = 'sqrt' : self .lineEdit.setText('') result = math.sqrt(string.atof(t)) self .lineEdit.setText( str (result)) if __name__ = = '__main__' : app = QtGui.QApplication(sys.argv) e = Example() sys.exit(app.exec_()) |
2. calculator.py
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#!/usr/bin/env python # -*- coding: utf-8 -*- ''' Author : Mr.LiuYC Created on 2014-09-30 E-Mail : liuyanchen0725@gmail.com Introduction: 简易计算器 实现图形界面PyQt,输入框,+,—,*,/ ;乘方 ,开方 ,取余,清零。 ''' from PyQt4 import QtGui,QtCore import sys , math , string class Example(QtGui.QWidget): def __init__( self ,parent = None ): QtGui.QWidget.__init__( self ,parent = parent) self .initUI() self .last = [] def initUI( self ): list = [ '%' , '**' , 'sqrt' , 'C' , 7 , 8 , 9 , '+' , 4 , 5 , 6 , '-' , 1 , 2 , 3 , '*' , 0 , '.' , '=' , '/' ] length = len ( list ) for i in xrange (length): self .button = QtGui.QPushButton( str ( list [i]), self ) self .button.clicked.connect( self .onButtonClick) x = i % 4 y = i / 4 self .button.move(x * 40 + 10 ,y * 40 + 90 ) self .button.resize( 30 , 30 ) self .lineEdit = QtGui.QLineEdit('', self ) self .lineEdit.move( 10 , 10 ) self .lineEdit.resize( 150 , 70 ) self .setGeometry( 200 , 200 , 170 , 300 ) self .setWindowTitle( 'Quit buttom' ) self .show() def onButtonClick( self ): t = self .lineEdit.text() new = self .sender().text() self .last.append(new) print self .last self .lineEdit.setText(t + new) if new = = '=' : result = eval ( str (t)) self .lineEdit.setText( str (result)) if new = = 'C' : self .lineEdit.setText('') if new = = 'sqrt' : self .lineEdit.setText('') result = math.sqrt(string.atof(t)) self .lineEdit.setText( str (result)) if __name__ = = '__main__' : app = QtGui.QApplication(sys.argv) e = Example() sys.exit(app.exec_()) |
3. 运行效果图如下: