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課後作業-團隊編程項目進度 (科學計算器)

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1. Python代碼:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 #!/usr/bin/env python # -*- coding: utf-8 -*- ‘‘‘ Author : Mr.LiuYC Created on 2014-09-30 E-Mail : [email protected] Introduction: 簡易計算器 實現圖形界面PyQt,輸入框,+,—,*,/ ;乘方 ,開方 ,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

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 #!/usr/bin/env python # -*- coding: utf-8 -*- ‘‘‘ Author : Mr.LiuYC Created on 2014-09-30 E-Mail : [email protected] Introduction: 簡易計算器 實現圖形界面PyQt,輸入框,+,—,*,/ ;乘方 ,開方 ,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. 運行效果圖如下:技術分享技術分享技術分享

課後作業-團隊編程項目進度 (科學計算器)