PyQt4(简单计算器)
随便写写
import sys
import calc
from PyQt4 import QtCore, QtGui class MyWidget(QtGui.QWidget):
num1 = ""
num2 = ""
point1 = 0
point2 = 0
opera = 0
opera_add = 0
opera_minus = 0
opera_mul = 0
opera_div = 0 def __init__(self):
super(MyWidget, self).__init__()
self.the_ui = calc.Ui_widget()
self.the_ui.setupUi(self)
self.connect(self.the_ui.btn_one, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_one()'))
self.connect(self.the_ui.btn_two, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_two()'))
self.connect(self.the_ui.btn_three, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_three()'))
self.connect(self.the_ui.btn_four, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_four()'))
self.connect(self.the_ui.btn_five, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_five()'))
self.connect(self.the_ui.btn_six, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_six()'))
self.connect(self.the_ui.btn_seven, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_seven()'))
self.connect(self.the_ui.btn_eight, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_eight()'))
self.connect(self.the_ui.btn_nine, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_nine()'))
self.connect(self.the_ui.btn_zero, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_zero()'))
self.connect(self.the_ui.btn_point, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_point()'))
self.connect(self.the_ui.btn_add, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_add()'))
self.connect(self.the_ui.btn_minus, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_minus()'))
self.connect(self.the_ui.btn_multiply, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_multiply()'))
self.connect(self.the_ui.btn_divide, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_divide()'))
self.connect(self.the_ui.btn_equal, QtCore.SIGNAL('clicked()'), self, QtCore.SLOT('click_equal()')) @QtCore.pyqtSlot()
def click_one(self):
if self.opera == 0:
self.num1 += "1"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "1"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_two(self):
if self.opera == 0:
self.num1 += "2"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "2"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_three(self):
if self.opera == 0:
self.num1 += "3"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "3"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_four(self):
if self.opera == 0:
self.num1 += "4"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "4"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_five(self):
if self.opera == 0:
self.num1 += "5"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "5"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_six(self):
if self.opera == 0:
self.num1 += "6"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "6"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_seven(self):
if self.opera == 0:
self.num1 += "7"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "7"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_eight(self):
if self.opera == 0:
self.num1 += "8"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "8"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_nine(self):
if self.opera == 0:
self.num1 += "9"
self.the_ui.lineEdit.setText(self.num1)
else:
self.num2 += "9"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_zero(self):
if self.opera == 0:
if len(self.num1) != 0:
self.num1 += "0"
self.the_ui.lineEdit.setText(self.num1)
else:
if len(self.num2) != 0:
self.num2 += "0"
self.the_ui.lineEdit.setText(self.num2) @QtCore.pyqtSlot()
def click_point(self):
if self.opera == 0:
if len(self.num1) != 0:
if self.point1 == 0:
self.num1 += "."
self.the_ui.lineEdit.setText(self.num1)
self.point1 = 1
else:
if len(self.num2) != 0:
if self.point2 == 0:
self.num2 += "."
self.the_ui.lineEdit.setText(self.num2)
self.point2 = 1 @QtCore.pyqtSlot()
def click_add(self):
self.opera = 1
self.opera_add = 1
self.opera_minus = 0
self.opera_mul = 0
self.opera_div = 0
self.the_ui.lineEdit.setText("") @QtCore.pyqtSlot()
def click_minus(self):
self.opera = 1
self.opera_add = 0
self.opera_minus = 1
self.opera_mul = 0
self.opera_div = 0
self.the_ui.lineEdit.setText("") @QtCore.pyqtSlot()
def click_multiply(self):
self.opera = 1
self.opera_add = 0
self.opera_minus = 0
self.opera_mul = 1
self.opera_div = 0
self.the_ui.lineEdit.setText("") @QtCore.pyqtSlot()
def click_divide(self):
self.opera = 1
self.opera_add = 0
self.opera_minus = 0
self.opera_mul = 0
self.opera_div = 1
self.the_ui.lineEdit.setText("") @QtCore.pyqtSlot()
def click_equal(self):
if self.opera_add == 1:
self.the_ui.lineEdit.setText(str(float(self.num1) + float(self.num2)))
if self.opera_minus == 1:
self.the_ui.lineEdit.setText(str(float(self.num1) - float(self.num2)))
if self.opera_mul == 1:
self.the_ui.lineEdit.setText(str(float(self.num1) * float(self.num2)))
if self.opera_div == 1:
self.the_ui.lineEdit.setText(str(float(self.num1) / float(self.num2))) self.num1 = ""
self.num2 = ""
self.point1 = 0
self.point2 = 0
self.opera = 0
self.opera_add = 0
self.opera_minus = 0
self.opera_mul = 0
self.opera_div = 0 app = QtGui.QApplication(sys.argv)
wi = MyWidget()
wi.show()
app.exec_()
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