Python PyQt6 GUI 计算器 zip压缩包文件

import sys from PyQt6.QtWidgets import * from PyQt6.QtCore import * from PyQt6.QtGui import * from PyQt6 import QtCore from PyQt6.QtWidgets import QWidget import math Window_Icon = "D:/PythonProjects/计算器/Window_Icon.png" Button_Font = QFont("Arial",20) Help_text = ''' 平方(x²)的格式是“pow(x,n)”，意为x的n次方，x通常为2。 根号/开平方(²√x)的格式是“sqrt(x)”，意为根号x。 ''' WIDTH = 300 HEIGHT = 400 class Main_Window(QWidget): def __init__(self): super(Main_Window,self).__init__() self.resize(WIDTH,HEIGHT) self.setWindowTitle("计算器") self.setWindowIcon(QIcon(Window_Icon)) self.Menu = QLabel(self) self.Menu.resize(WIDTH,HEIGHT) self.button = QToolButton(self.Menu) self.button.setGeometry(0,0,40,40) self.button.setFont(QFont("Arial",15)) self.button.setText("☰") text = "标准" self.text = QLabel(self.Menu) self.text.setGeometry(40,0,80,40) self.text.setFont(QFont("SimHei",15)) self.text.setText(" "+text) self.Numlabel = QLineEdit(self.Menu) self.Numlabel.setGeometry(0,40,WIDTH,60) self.Numlabel.setAlignment(Qt.AlignmentFlag.AlignRight|Qt.AlignmentFlag.AlignBottom) self.Numlabel.setFont(QFont("Arial",30)) self.Numlabel.setReadOnly(True) self.button_left_braket = QToolButton(self.Menu) self.button_left_braket.setGeometry(0,100,75,50) self.button_left_braket.setFont(Button_Font) self.button_left_braket.setText("(") self.button_right_braket = QToolButton(self.Menu) self.button_right_braket.setGeometry(75,100,75,50) self.button_right_braket.setFont(Button_Font) self.button_right_braket.setText(")") self.button_comma = QToolButton(self.Menu) self.button_comma.setGeometry(150,100,75,50) self.button_comma.setFont(Button_Font) self.button_comma.setText(",") self.button_sq = QToolButton(self.Menu) self.button_sq.setGeometry(0,150,75,50) self.button_sq.setFont(Button_Font) self.button_sq.setText("x²") self.button_sqrt = QToolButton(self.Menu) self.button_sqrt.setGeometry(75,150,75,50) self.button_sqrt.setFont(Button_Font) self.button_sqrt.setText("²√x") self.button_clear = QToolButton(self.Menu) self.button_clear.setGeometry(150,150,75,50) self.button_clear.setFont(Button_Font) self.button_clear.setText("C") self.button_backspace = QToolButton(self.Menu) self.button_backspace.setGeometry(225,150,75,50) self.button_backspace.setFont(Button_Font) self.button_backspace.setText("◁×") self.button_7 = QToolButton(self.Menu) self.button_7.setGeometry(0,200,75,50) self.button_7.setFont(Button_Font) self.button_7.setText("7") self.button_8 = QToolButton(self.Menu) self.button_8.setGeometry(75,200,75,50) self.button_8.setFont(Button_Font) self.button_8.setText("8") self.button_9 = QToolButton(self.Menu) self.button_9.setGeometry(150,200,75,50) self.button_9.setFont(Button_Font) self.button_9.setText("9") self.button_div = QToolButton(self.Menu) self.button_div.setGeometry(225,200,75,50) self.button_div.setFont(Button_Font) self.button_div.setText("÷") self.button_4 = QToolButton(self.Menu) self.button_4.setGeometry(0,250,75,50) self.button_4.setFont(Button_Font) self.button_4.setText("4") self.button_5 = QToolButton(self.Menu) self.button_5.setGeometry(75,250,75,50) self.button_5.setFont(Button_Font) self.button_5.setText("5") self.button_6 = QToolButton(self.Menu) self.button_6.setGeometry(150,250,75,50) self.button_6.setFont(Button_Font) self.button_6.setText("6") self.button_mul = QToolButton(self.Menu) self.button_mul.setGeometry(225,250,75,50) self.button_mul.setFont(Button_Font) self.button_mul.setText("×") self.button_1 = QToolButton(self.Menu) self.button_1.setGeometry(0,300,75,50) self.button_1.setFont(Button_Font) self.button_1.setText("1") self.button_2 = QToolButton(self.Menu) self.button_2.setGeometry(75,300,75,50) self.button_2.setFont(Button_Font) self.button_2.setText("2") self.button_3 = QToolButton(self.Menu) self.button_3.setGeometry(150,300,75,50) self.button_3.setFont(Button_Font) self.button_3.setText("3") self.button_sub = QToolButton(self.Menu) self.button_sub.setGeometry(225,300,75,50) self.button_sub.setFont(Button_Font) self.button_sub.setText("-") self.button_0 = QToolButton(self.Menu) self.button_0.setGeometry(0,350,75,50) self.button_0.setFont(Button_Font) self.button_0.setText("0") self.button_point = QToolButton(self.Menu) self.button_point.setGeometry(75,350,75,50) self.button_point.setFont(Button_Font) self.button_point.setText(".") self.button_calculate = QToolButton(self.Menu) self.button_calculate.setGeometry(150,350,75,50) self.button_calculate.setFont(Button_Font) self.button_calculate.setText("=") self.button_add = QToolButton(self.Menu) self.button_add.setGeometry(225,350,75,50) self.button_add.setFont(Button_Font) self.button_add.setText("+") self.button.clicked.connect(lambda:QMessageBox.information(self,"帮助",Help_text)) self.button_left_braket.clicked.connect(lambda:self.Input("(")) self.button_right_braket.clicked.connect(lambda:self.Input(")")) self.button_comma.clicked.connect(lambda:self.Input(",")) self.button_sq.clicked.connect(lambda:self.Input("pow(")) self.button_sqrt.clicked.connect(lambda:self.Input("sqrt(")) self.button_clear.clicked.connect(lambda:self.Clear()) self.button_backspace.clicked.connect(lambda:self.Backspace()) self.button_7.clicked.connect(lambda:self.Input("7")) self.button_8.clicked.connect(lambda:self.Input("8")) self.button_9.clicked.connect(lambda:self.Input("9")) self.button_div.clicked.connect(lambda:self.Input("/")) self.button_4.clicked.connect(lambda:self.Input("4")) self.button_5.clicked.connect(lambda:self.Input("5")) self.button_6.clicked.connect(lambda:self.Input("6")) self.button_mul.clicked.connect(lambda:self.Input("*")) self.button_1.clicked.connect(lambda:self.Input("1")) self.button_2.clicked.connect(lambda:self.Input("2")) self.button_3.clicked.connect(lambda:self.Input("3")) self.button_sub.clicked.connect(lambda:self.Input("-")) self.button_0.clicked.connect(lambda:self.Input("0")) self.button_point.clicked.connect(lambda:self.Input(".")) self.button_calculate.clicked.connect(lambda:self.Calculate()) self.button_add.clicked.connect(lambda:self.Input("+")) self.Clear() def Calculate(self): try: answer = eval(self.Numlabel.text()) self.Numlabel.setText(str(answer)) except: self.Numlabel.setText("ERROR") def Backspace(self): if self.Numlabel.text() != "0" and self.Numlabel.text() != "ERROR": Str = self.Numlabel.text() List = list(Str) List.pop(len(List)-1) Str = ''.join(List) if Str == "": self.Numlabel.setText("0") else: self.Numlabel.setText(Str) def Input(self,text):