# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'test.ui'
#
# Created by: PyQt5 UI code generator 5.11.3
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtWidgets
class Ui_MainWindow(object):
content = ''
symbol = ['+', '-', '×', '÷', '%', '.', '=']
def setupUi(self, MainWindow):
MainWindow.setObjectName("Calculator")
MainWindow.resize(360, 460)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.centralwidget.setStyleSheet('''
QPushButton{
font-size: 15px;
background: rgba(255, 255, 255, 0.7);
border-radius:5px;
}
QTextBrowser{
font-size: 25px;
background: rgba(255, 255, 255, 0.7);
border-radius:10px;
text-align:right;
margin-right:0px;
}
''')
self.btn1 = QtWidgets.QPushButton(self.centralwidget)
self.btn1.setGeometry(QtCore.QRect(50, 180, 51, 51))
self.btn1.setObjectName("btn1")
self.btn2 = QtWidgets.QPushButton(self.centralwidget)
self.btn2.setGeometry(QtCore.QRect(120, 180, 51, 51))
self.btn2.setObjectName("btn2")
self.btn3 = QtWidgets.QPushButton(self.centralwidget)
self.btn3.setGeometry(QtCore.QRect(190, 180, 51, 51))
self.btn3.setObjectName("btn3")
self.btn4 = QtWidgets.QPushButton(self.centralwidget)
self.btn4.setGeometry(QtCore.QRect(50, 240, 51, 51))
self.btn4.setObjectName("btn4")
self.btn5 = QtWidgets.QPushButton(self.centralwidget)
self.btn5.setGeometry(QtCore.QRect(120, 240, 51, 51))
self.btn5.setObjectName("btn5")
self.btn6 = QtWidgets.QPushButton(self.centralwidget)
self.btn6.setGeometry(QtCore.QRect(190, 240, 51, 51))
self.btn6.setObjectName("btn6")
self.btn7 = QtWidgets.QPushButton(self.centralwidget)
self.btn7.setGeometry(QtCore.QRect(50, 300, 51, 51))
self.btn7.setObjectName("btn7")
self.btn8 = QtWidgets.QPushButton(self.centralwidget)
self.btn8.setGeometry(QtCore.QRect(120, 300, 51, 51))
self.btn8.setObjectName("btn8")
self.btn9 = QtWidgets.QPushButton(self.centralwidget)
self.btn9.setGeometry(QtCore.QRect(190, 300, 51, 51))
self.btn9.setObjectName("btn9")
self.btn0 = QtWidgets.QPushButton(self.centralwidget)
self.btn0.setGeometry(QtCore.QRect(50, 360, 51, 51))
self.btn0.setObjectName("btn0")
self.btn_double = QtWidgets.QPushButton(self.centralwidget)
self.btn_double.setGeometry(QtCore.QRect(120, 360, 51, 51))
self.btn_double.setObjectName("btn_double")
self.btn_mult = QtWidgets.QPushButton(self.centralwidget)
self.btn_mult.setGeometry(QtCore.QRect(260, 180, 51, 51))
self.btn_mult.setObjectName("btn_mult")
self.btn_sub = QtWidgets.QPushButton(self.centralwidget)
self.btn_sub.setGeometry(QtCore.QRect(260, 240, 51, 51))
self.btn_sub.setObjectName("btn_sub")
self.btn_equal = QtWidgets.QPushButton(self.centralwidget)
self.btn_equal.setGeometry(QtCore.QRect(190, 360, 121, 51))
self.btn_equal.setObjectName("btn_equal")
self.btn_add = QtWidgets.QPushButton(self.centralwidget)
self.btn_add.setGeometry(QtCore.QRect(260, 300, 51, 51))
self.btn_add.setObjectName("btn_add")
self.btn_back = QtWidgets.QPushButton(self.centralwidget)
self.btn_back.setGeometry(QtCore.QRect(50, 120, 51, 51))
self.btn_back.setObjectName("btn_back")
self.btn_clear = QtWidgets.QPushButton(self.centralwidget)
self.btn_clear.setGeometry(QtCore.QRect(120, 120, 51, 51))
self.btn_clear.setObjectName("btn_clear")
self.btn_percent = QtWidgets.QPushButton(self.centralwidget)
self.btn_percent.setGeometry(QtCore.QRect(190, 120, 51, 51))
self.btn_percent.setObjectName("btn_percent")
self.btn_division = QtWidgets.QPushButton(self.centralwidget)
self.btn_division.setGeometry(QtCore.QRect(260, 120, 51, 51))
self.btn_division.setObjectName("btn_division")
self.textBrowser = QtWidgets.QTextBrowser(self.centralwidget)
self.textBrowser.setLayoutDirection(QtCore.Qt.RightToLeft)
self.textBrowser.setGeometry(QtCore.QRect(50, 50, 261, 51))
self.textBrowser.setObjectName("textBrowser")
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 727, 23))
self.menubar.setObjectName("menubar")
MainWindow.setMenuBar(self.menubar)
self.statusbar = QtWidgets.QStatusBar(MainWindow)
self.statusbar.setObjectName("statusbar")
MainWindow.setStatusBar(self.statusbar)
self.retranslateUi(MainWindow)
QtCore.QMetaObject.connectSlotsByName(MainWindow)
self.btn0.clicked.connect(lambda: self.write(0))
self.btn1.clicked.connect(lambda: self.write(1))
self.btn2.clicked.connect(lambda: self.write(2))
self.btn3.clicked.connect(lambda: self.write(3))
self.btn4.clicked.connect(lambda: self.write(4))
self.btn5.clicked.connect(lambda: self.write(5))
self.btn6.clicked.connect(lambda: self.write(6))
self.btn7.clicked.connect(lambda: self.write(7))
self.btn8.clicked.connect(lambda: self.write(8))
self.btn9.clicked.connect(lambda: self.write(9))
self.btn_double.clicked.connect(lambda: self.write('.'))
self.btn_mult.clicked.connect(lambda: self.write('×'))
self.btn_sub.clicked.connect(lambda: self.write('-'))
self.btn_equal.clicked.connect(self.calculater)
self.btn_add.clicked.connect(lambda: self.write('+'))
self.btn_back.clicked.connect(self.back)
self.btn_clear.clicked.connect(self.clear)
self.btn_percent.clicked.connect(lambda: self.write('%'))
self.btn_division.clicked.connect(lambda: self.write('÷'))
# 写入
def write(self, param):
# 如果上一次和这一次输入的都是符号，则替换
if len(self.content) > 0 and (self.content[-1] in self.symbol) and (param in self.symbol):
self.content = self.content[0:len(self.content) - 1] + str(param)
# 排除第一位输入符号
elif len(self.content) == 0 and (param in self.symbol):
pass
else:
self.content = self.content + str(param)
self.textBrowser.setText(self.content)
# 清空
def clear(self):
self.content = ""
self.textBrowser.setText("")
# 后退一位
def back(self):
self.content = self.content[0:len(self.content) - 1]
self.textBrowser.setText(self.content)
# 计算
def calculater(self):
# 判断最后一位是不是运算符
if len(self.content) > 0 and (self.content[-1] in self.symbol):
pass
else:
new_str = self.content.replace('×', '*')
new_str = new_str.replace('÷', '/')
self.content = self.content + '=' + str(eval(new_str))
self.textBrowser.setText(self.content)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "MainWindow"))
self.btn1.setText(_translate("MainWindow", "1"))
self.btn2.setText(_translate("MainWindow", "2"))
self.btn3.setText(_translate("MainWindow", "3"))
self.btn4.setText(_translate("MainWindow", "4"))
self.btn5.setText(_translate("MainWindow", "5"))
self.btn6.setText(_translate("MainWindow", "6"))
self.btn7.setText(_translate("MainWindow", "7"))
self.btn8.setText(_translate("MainWindow", "8"))
self.btn9.setText(_translate("MainWindow", "9"))
self.btn0.setText(_translate("MainWindow", "0"))
self.btn_double.setText(_translate("MainWindow", "."))
self.btn_mult.setText(_translate("MainWindow", "×"))
self.btn_sub.setText(_translate("MainWindow", "-"))
self.btn_equal.setText(_translate("MainWindow", "="))
self.btn_add.setText(_translate("MainWindow", "+"))
self.btn_back.setText(_translate("MainWindow", "AC"))
self.btn_clear.setText(_translate("MainWindow", "Clear"))
self.btn_percent.setText(_translate("MainWindow", "%"))
self.btn_division.setText(_translate("MainWindow", "÷"))
import sys
from PyQt5.QtWidgets import QApplication, QMainWindow
if __name__ == '__main__':
app = QApplication(sys.argv)
MainWindow = QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
sys.exit(app.exec_())
Python基于Qt平台的计算器源代码
原文链接：Python基于Qt平台的计算器源代码，转发请注明来源！
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