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cal.py
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cal.py
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# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'mainwindow.ui'
#
# Created by: PyQt5 UI code generator 5.5.1
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtGui, QtWidgets
import sys
class Ui_MainWindow(object):
def setupUi(self, MainWindow):
MainWindow.setObjectName("MainWindow")
MainWindow.resize(314, 120)
self.centralwidget = QtWidgets.QWidget(MainWindow)
self.centralwidget.setObjectName("centralwidget")
self.label_MainTitle = QtWidgets.QLabel(self.centralwidget)
self.label_MainTitle.setGeometry(QtCore.QRect(3, 10, 311, 20))
font = QtGui.QFont()
font.setPointSize(15)
self.label_MainTitle.setFont(font)
self.label_MainTitle.setAlignment(QtCore.Qt.AlignCenter)
self.label_MainTitle.setObjectName("label_MainTitle")
self.lineEdit_Adder1 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_Adder1.setGeometry(QtCore.QRect(10, 40, 51, 20))
self.lineEdit_Adder1.setObjectName("lineEdit_Adder1")
self.lineEdit_Adder2 = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_Adder2.setGeometry(QtCore.QRect(90, 40, 51, 20))
self.lineEdit_Adder2.setObjectName("lineEdit_Adder2")
self.lineEdit_sum = QtWidgets.QLineEdit(self.centralwidget)
self.lineEdit_sum.setGeometry(QtCore.QRect(170, 40, 51, 20))
self.lineEdit_sum.setReadOnly(True)
self.lineEdit_sum.setObjectName("lineEdit_sum")
self.label_plus = QtWidgets.QLabel(self.centralwidget)
self.label_plus.setGeometry(QtCore.QRect(60, 40, 31, 20))
font = QtGui.QFont()
font.setPointSize(12)
self.label_plus.setFont(font)
self.label_plus.setAlignment(QtCore.Qt.AlignCenter)
self.label_plus.setObjectName("label_plus")
self.label_equals = QtWidgets.QLabel(self.centralwidget)
self.label_equals.setGeometry(QtCore.QRect(140, 40, 31, 20))
font = QtGui.QFont()
font.setPointSize(12)
self.label_equals.setFont(font)
self.label_equals.setAlignment(QtCore.Qt.AlignCenter)
self.label_equals.setObjectName("label_equals")
self.pushButton_calc = QtWidgets.QPushButton(self.centralwidget)
self.pushButton_calc.setGeometry(QtCore.QRect(230, 40, 75, 23))
self.pushButton_calc.setObjectName("pushButton_calc")
MainWindow.setCentralWidget(self.centralwidget)
self.menubar = QtWidgets.QMenuBar(MainWindow)
self.menubar.setGeometry(QtCore.QRect(0, 0, 314, 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)
def retranslateUi(self, MainWindow):
_translate = QtCore.QCoreApplication.translate
MainWindow.setWindowTitle(_translate("MainWindow", "加法器"))
self.label_MainTitle.setText(_translate("MainWindow", "简易加法器"))
self.label_plus.setText(_translate("MainWindow", "+"))
self.label_equals.setText(_translate("MainWindow", "="))
self.pushButton_calc.setText(_translate("MainWindow", "计算"))
def setupFunction(self):
self.pushButton_calc.clicked.connect(self.get_sum)
def get_sum(self):
adder1 = self.lineEdit_Adder1.text() # 获取第一个文本框中的内容存入adder1
adder2 = self.lineEdit_Adder2.text() # 获取第二个文本框中的内容存入adder2
sum = int(adder1) + int(adder2) # 将adder1和adder2强制转换为整形，计算出两数之和存入sum
self.lineEdit_sum.setText(str(sum)) # 将sum强制转换为字符串，填入lineEdit_sum
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv) # 创建一个QApplication，也就是你要开发的软件app
MainWindow = QtWidgets.QMainWindow() # 创建一个QMainWindow，用来装载你需要的各种组件、控件
ui = Ui_MainWindow() # ui是Ui_MainWindow()类的实例化对象
ui.setupUi(MainWindow) # 执行类中的setupUi方法，方法的参数是第二步中创建的QMainWindow
ui.setupFunction() # 执行类中的setupFunction方法
MainWindow.show() # 执行QMainWindow的show()方法，显示这个QMainWindow
sys.exit(app.exec_()) # 使用exit()或者点击关闭按钮退出QApplication