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python+pyqt5实现KFC点餐收银系统

2019-5-7 14:16| 发布者: admin| 查看: 970| 评论: 0

摘要: 这个kfc收银系统我实现了的以下功能：1.正常餐品结算和找零。2.基本套餐结算和找零。3.使用优惠劵购买餐品结算和找零。4.可在一定时间段参与店内活动5.模拟打印小票的功能（写到文件中）。工程文件：肯德基.py文件实 ...

这个kfc收银系统我实现了的以下功能：

1.正常餐品结算和找零。
2.基本套餐结算和找零。
3.使用优惠劵购买餐品结算和找零。
4.可在一定时间段参与店内活动
5.模拟打印小票的功能（写到文件中）。

工程文件：

肯德基.py文件实现各功能、kfctip.txt文件用于打印小票、picture文件里存放界面所需的图片、其他四个文件为各界面布局。
主界面：

正常餐品点餐界面：

套餐点餐界面：

活动套餐点餐界面：

当点击第二个活动套餐时：

加入订单点击返回后主界面会生成订单信息：

点击结算：

以下是代码实现：
界面布局均使用pyqt5
主界面布局：

from PyQt5 import QtCore, QtWidgets

classUi_MainWindow(object):defsetupUi(self, MainWindow): MainWindow.setObjectName("MainWindow") MainWindow.resize(893, 489)self.centralwidget = QtWidgets.QWidget(MainWindow)self.centralwidget.setObjectName("centralwidget")self.pushButton_2 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_2.setGeometry(QtCore.QRect(510, 20, 101, 41))self.pushButton_2.setObjectName("pushButton_2")self.pushButton_3 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_3.setGeometry(QtCore.QRect(510, 80, 101, 41))self.pushButton_3.setObjectName("pushButton_3")self.pushButton_4 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_4.setGeometry(QtCore.QRect(510, 140, 101, 41))self.pushButton_4.setObjectName("pushButton_4")self.label = QtWidgets.QLabel(self.centralwidget)self.label.setGeometry(QtCore.QRect(510, 200, 111, 21))self.label.setObjectName("label")self.label_2 = QtWidgets.QLabel(self.centralwidget)self.label_2.setGeometry(QtCore.QRect(510, 230, 72, 15))self.label_2.setObjectName("label_2")self.label_3 = QtWidgets.QLabel(self.centralwidget)self.label_3.setGeometry(QtCore.QRect(590, 230, 21, 16))self.label_3.setObjectName("label_3")self.label_4 = QtWidgets.QLabel(self.centralwidget)self.label_4.setGeometry(QtCore.QRect(510, 260, 81, 21))self.label_4.setObjectName("label_4")self.label_5 = QtWidgets.QLabel(self.centralwidget)self.label_5.setGeometry(QtCore.QRect(510, 290, 72, 15))self.label_5.setObjectName("label_5")self.label_6 = QtWidgets.QLabel(self.centralwidget)self.label_6.setGeometry(QtCore.QRect(590, 290, 21, 16))self.label_6.setObjectName("label_6")self.label_7 = QtWidgets.QLabel(self.centralwidget)self.label_7.setGeometry(QtCore.QRect(640, 20, 61, 21))self.label_7.setObjectName("label_7")self.tableWidget = QtWidgets.QTableWidget(self.centralwidget)self.tableWidget.setGeometry(QtCore.QRect(640, 40, 241, 231))self.tableWidget.setObjectName("tableWidget")self.tableWidget.setColumnCount(3)self.tableWidget.setRowCount(0) item = QtWidgets.QTableWidgetItem()self.tableWidget.setHorizontalHeaderItem(0, item) item = QtWidgets.QTableWidgetItem()self.tableWidget.setHorizontalHeaderItem(1, item) item = QtWidgets.QTableWidgetItem()self.tableWidget.setHorizontalHeaderItem(2, item)self.tableWidget.horizontalHeader().setDefaultSectionSize(70)self.pushButton_5 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_5.setGeometry(QtCore.QRect(640, 290, 71, 31))self.pushButton_5.setObjectName("pushButton_5")self.pushButton_6 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_6.setGeometry(QtCore.QRect(640, 350, 91, 31))self.pushButton_6.setObjectName("pushButton_6")self.pushButton_7 = QtWidgets.QPushButton(self.centralwidget)self.pushButton_7.setGeometry(QtCore.QRect(750, 350, 91, 31))self.pushButton_7.setObjectName("pushButton_7")self.label_8 = QtWidgets.QLabel(self.centralwidget)self.label_8.setGeometry(QtCore.QRect(10, 10, 481, 431))self.label_8.setObjectName("label_8") MainWindow.setCentralWidget(self.centralwidget)self.menubar = QtWidgets.QMenuBar(MainWindow)self.menubar.setGeometry(QtCore.QRect(0, 0, 893, 26))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)

defretranslateUi(self, MainWindow): _translate = QtCore.QCoreApplication.translate MainWindow.setWindowTitle(_translate("MainWindow", "肯德基"))self.pushButton_2.setText(_translate("MainWindow", "基本餐"))self.pushButton_3.setText(_translate("MainWindow", "套餐"))self.pushButton_4.setText(_translate("MainWindow", "活动"))self.label.setText(_translate("MainWindow", "会员储值卡余额"))self.label_2.setText(_translate("MainWindow", "钱"))self.label_3.setText(_translate("MainWindow", "元"))self.label_4.setText(_translate("MainWindow", "您的优惠券"))self.label_5.setText(_translate("MainWindow", "券"))self.label_6.setText(_translate("MainWindow", "张"))self.label_7.setText(_translate("MainWindow", "您的订单")) item = self.tableWidget.horizontalHeaderItem(0) item.setText(_translate("MainWindow", "名称")) item = self.tableWidget.horizontalHeaderItem(1) item.setText(_translate("MainWindow", "数量")) item = self.tableWidget.horizontalHeaderItem(2) item.setText(_translate("MainWindow", "价格/元"))self.pushButton_5.setText(_translate("MainWindow", "删除"))self.pushButton_6.setText(_translate("MainWindow", "结算"))self.pushButton_7.setText(_translate("MainWindow", "打印小票"))self.label_8.setText(_translate("MainWindow", "图"))

正常套餐界面：

from PyQt5 import QtCore, QtWidgets

classUi_Normal(object):defsetupUi(self, Form): Form.setObjectName("Form") Form.resize(728, 459)self.pushButton = QtWidgets.QPushButton(Form)self.pushButton.setGeometry(QtCore.QRect(40, 190, 93, 41))self.pushButton.setObjectName("pushButton")self.pushButton_2 = QtWidgets.QPushButton(Form)self.pushButton_2.setGeometry(QtCore.QRect(260, 190, 93, 41))self.pushButton_2.setObjectName("pushButton_2")self.pushButton_3 = QtWidgets.QPushButton(Form)self.pushButton_3.setGeometry(QtCore.QRect(480, 190, 93, 41))self.pushButton_3.setObjectName("pushButton_3")self.pushButton_4 = QtWidgets.QPushButton(Form)self.pushButton_4.setGeometry(QtCore.QRect(40, 400, 93, 41))self.pushButton_4.setObjectName("pushButton_4")self.pushButton_5 = QtWidgets.QPushButton(Form)self.pushButton_5.setGeometry(QtCore.QRect(620, 400, 93, 41))self.pushButton_5.setObjectName("pushButton_5")self.pushButton_6 = QtWidgets.QPushButton(Form)self.pushButton_6.setGeometry(QtCore.QRect(260, 400, 93, 41))self.pushButton_6.setObjectName("pushButton_6")self.label = QtWidgets.QLabel(Form)self.label.setGeometry(QtCore.QRect(50, 170, 72, 15))self.label.setObjectName("label")self.label_2 = QtWidgets.QLabel(Form)self.label_2.setGeometry(QtCore.QRect(30, 140, 121, 21))self.label_2.setObjectName("label_2")self.label_3 = QtWidgets.QLabel(Form)self.label_3.setGeometry(QtCore.QRect(30, 10, 121, 111))self.label_3.setObjectName("label_3")self.label_4 = QtWidgets.QLabel(Form)self.label_4.setGeometry(QtCore.QRect(270, 170, 72, 15))self.label_4.setObjectName("label_4")self.label_5 = QtWidgets.QLabel(Form)self.label_5.setGeometry(QtCore.QRect(270, 140, 72, 15))self.label_5.setObjectName("label_5")self.label_6 = QtWidgets.QLabel(Form)self.label_6.setGeometry(QtCore.QRect(240, 10, 131, 111))self.label_6.setObjectName("label_6")self.label_7 = QtWidgets.QLabel(Form)self.label_7.setGeometry(QtCore.QRect(490, 170, 72, 15))self.label_7.setObjectName("label_7")self.label_8 = QtWidgets.QLabel(Form)self.label_8.setGeometry(QtCore.QRect(480, 140, 91, 16))self.label_8.setObjectName("label_8")self.label_9 = QtWidgets.QLabel(Form)self.label_9.setGeometry(QtCore.QRect(460, 10, 131, 111))self.label_9.setObjectName("label_9")self.label_10 = QtWidgets.QLabel(Form)self.label_10.setGeometry(QtCore.QRect(50, 380, 72, 15))self.label_10.setObjectName("label_10")self.label_11 = QtWidgets.QLabel(Form)self.label_11.setGeometry(QtCore.QRect(60, 360, 51, 16))self.label_11.setObjectName("label_11")self.label_12 = QtWidgets.QLabel(Form)self.label_12.setGeometry(QtCore.QRect(30, 250, 121, 101))self.label_12.setObjectName("label_12")self.label_13 = QtWidgets.QLabel(Form)self.label_13.setGeometry(QtCore.QRect(270, 380, 72, 15))self.label_13.setObjectName("label_13")self.label_14 = QtWidgets.QLabel(Form)self.label_14.setGeometry(QtCore.QRect(250, 360, 131, 16))self.label_14.setObjectName("label_14")self.label_15 = QtWidgets.QLabel(Form)self.label_15.setGeometry(QtCore.QRect(240, 250, 131, 101))self.label_15.setObjectName("label_15")

self.retranslateUi(Form) QtCore.QMetaObject.connectSlotsByName(Form)

defretranslateUi(self, Form): _translate = QtCore.QCoreApplication.translate Form.setWindowTitle(_translate("Form", "Form"))self.pushButton.setText(_translate("Form", "加入订单"))self.pushButton_2.setText(_translate("Form", "加入订单"))self.pushButton_3.setText(_translate("Form", "加入订单"))self.pushButton_4.setText(_translate("Form", "加入订单"))self.pushButton_5.setText(_translate("Form", "返回"))self.pushButton_6.setText(_translate("Form", "加入订单"))self.label.setText(_translate("Form", "钱1"))self.label_2.setText(_translate("Form", "新奥尔良烤鸡腿堡"))self.label_3.setText(_translate("Form", "TextLabel"))self.label_4.setText(_translate("Form", "钱2"))self.label_5.setText(_translate("Form", "香辣鸡翅"))self.label_6.setText(_translate("Form", "TextLabel"))self.label_7.setText(_translate("Form", "钱3"))self.label_8.setText(_translate("Form", "波纹霸王薯条"))self.label_9.setText(_translate("Form", "TextLabel"))self.label_10.setText(_translate("Form", "钱4"))self.label_11.setText(_translate("Form", "乌龙茶"))self.label_12.setText(_translate("Form", "TextLabel"))self.label_13.setText(_translate("Form", "钱5"))self.label_14.setText(_translate("Form", "原味圣代（草莓酱）"))self.label_15.setText(_translate("Form", "TextLabel"))

套餐界面：

from PyQt5 import QtCore, QtWidgets

classUi_Package(object):defsetupUi(self, Form): Form.setObjectName("Form") Form.resize(728, 393)self.pushButton = QtWidgets.QPushButton(Form)self.pushButton.setGeometry(QtCore.QRect(90, 280, 91, 31))self.pushButton.setObjectName("pushButton")self.pushButton_2 = QtWidgets.QPushButton(Form)self.pushButton_2.setGeometry(QtCore.QRect(340, 280, 93, 31))self.pushButton_2.setObjectName("pushButton_2")self.label = QtWidgets.QLabel(Form)self.label.setGeometry(QtCore.QRect(100, 250, 72, 15))self.label.setObjectName("label")self.label_2 = QtWidgets.QLabel(Form)self.label_2.setGeometry(QtCore.QRect(350, 250, 72, 15))self.label_2.setObjectName("label_2")self.label_3 = QtWidgets.QLabel(Form)self.label_3.setGeometry(QtCore.QRect(80, 220, 131, 21))self.label_3.setObjectName("label_3")self.label_4 = QtWidgets.QLabel(Form)self.label_4.setGeometry(QtCore.QRect(330, 220, 111, 21))self.label_4.setObjectName("label_4")self.label_5 = QtWidgets.QLabel(Form)self.label_5.setGeometry(QtCore.QRect(60, 20, 161, 171))self.label_5.setObjectName("label_5")self.label_6 = QtWidgets.QLabel(Form)self.label_6.setGeometry(QtCore.QRect(300, 20, 171, 171))self.label_6.setObjectName("label_6")self.pushButton_3 = QtWidgets.QPushButton(Form)self.pushButton_3.setGeometry(QtCore.QRect(560, 280, 101, 41))self.pushButton_3.setObjectName("pushButton_3")

self.retranslateUi(Form) QtCore.QMetaObject.connectSlotsByName(Form)

活动界面：

from PyQt5 import QtCore, QtWidgets

classUi_Activity(object):defsetupUi(self, Form): Form.setObjectName("Form") Form.resize(639, 335)self.pushButton = QtWidgets.QPushButton(Form)self.pushButton.setGeometry(QtCore.QRect(50, 240, 93, 31))self.pushButton.setObjectName("pushButton")self.pushButton_2 = QtWidgets.QPushButton(Form)self.pushButton_2.setGeometry(QtCore.QRect(300, 240, 93, 31))self.pushButton_2.setObjectName("pushButton_2")self.label = QtWidgets.QLabel(Form)self.label.setGeometry(QtCore.QRect(11, 220, 201, 20))self.label.setObjectName("label")self.label_2 = QtWidgets.QLabel(Form)self.label_2.setGeometry(QtCore.QRect(20, 200, 161, 16))self.label_2.setObjectName("label_2")self.label_3 = QtWidgets.QLabel(Form)self.label_3.setGeometry(QtCore.QRect(50, 180, 91, 16))self.label_3.setObjectName("label_3")self.label_4 = QtWidgets.QLabel(Form)self.label_4.setGeometry(QtCore.QRect(30, 30, 141, 141))self.label_4.setObjectName("label_4")self.label_5 = QtWidgets.QLabel(Form)self.label_5.setGeometry(QtCore.QRect(261, 220, 201, 20))self.label_5.setObjectName("label_5")self.label_6 = QtWidgets.QLabel(Form)self.label_6.setGeometry(QtCore.QRect(270, 200, 161, 16))self.label_6.setObjectName("label_6")self.label_7 = QtWidgets.QLabel(Form)self.label_7.setGeometry(QtCore.QRect(310, 180, 61, 16))self.label_7.setObjectName("label_7")self.label_8 = QtWidgets.QLabel(Form)self.label_8.setGeometry(QtCore.QRect(280, 30, 151, 141))self.label_8.setObjectName("label_8")self.pushButton_3 = QtWidgets.QPushButton(Form)self.pushButton_3.setGeometry(QtCore.QRect(490, 250, 101, 31))self.pushButton_3.setObjectName("pushButton_3")

self.retranslateUi(Form) QtCore.QMetaObject.connectSlotsByName(Form)

以下为实现各界面互联和各功能的实现（注释比较详细这里就不多说了）：

# -*- coding: utf-8 -*-# 作者：dcjmessi# 日期：2018/10/19

from kfcmain import *from normal import *from package import *from activity import *import sysfrom PyQt5.QtWidgets import *from PyQt5.QtGui import QPixmap

classKFC_Main(QMainWindow):def__init__(self): QMainWindow.__init__(self)self.main_ui = Ui_MainWindow()self.main_ui.setupUi(self)

# 给按钮绑定方法 btn_del = self.main_ui.pushButton_5 btn_del.clicked.connect(self.order_del) btn_num = self.main_ui.pushButton_6 btn_num.clicked.connect(self.order_num)self.btn_tip = self.main_ui.pushButton_7self.btn_tip.clicked.connect(self.order_tip)# 设置按钮为当前不可用self.btn_tip.setEnabled(False)# 定义列表self.num = []self.new_num = []

# 主界面显示defperson(self):# 主界面贴图self.main_ui.label_8.setPixmap(QPixmap('./picture/主界图.png'))# 将图片完全填充self.main_ui.label_8.setScaledContents(True)# 初始化会员储值余额self.balance = 200# 初始化优惠券数量self.coupons = 1# 显示余额和券数量self.main_ui.label_2.setText(str(self.balance))self.main_ui.label_5.setText(str(self.coupons))# 显示主界面 kfcmain.show()

# 删除tableWidget所选行deforder_del(self):# 获取所选行索引 row_index = kfcmain.main_ui.tableWidget.currentRow()if row_index != -1:# 删除 kfcmain.main_ui.tableWidget.removeRow(row_index)

# 结算deforder_num(self):# 设置按钮为可用self.btn_tip.setEnabled(True)# 遍历所有行for row_index in range(kfcmain.main_ui.tableWidget.rowCount()):# 将每一行的第三项值添加到num列表里self.num.append(kfcmain.main_ui.tableWidget.item(row_index, 2).text())

# 将num中的字符转换成int型self.new_num = eval('[' + (','.join(self.num)) + ']')# 将new_num列表值求和self.money = sum(self.new_num)

# 有优惠券时ifself.coupons >= 1:# 消息提示框 button = QMessageBox.information(self, "温馨提示", "是否使用优惠券", QMessageBox.Yes | QMessageBox.No) # 使用优惠券if button == QMessageBox.Yes: # 当前优惠券数量减一self.coupons = self.coupons -1self.main_ui.label_5.setText(str(self.coupons))

# 余额足够ifself.balance >= (self.money - self.coupons * 20): QMessageBox.information(self, "恭喜您", "付款成功！", QMessageBox.Yes)self.balance = self.balance - self.money - self.coupons * 20self.main_ui.label_2.setText(str(self.balance))else: QMessageBox.information(self, "对不起", "您的会员储值卡余额不足！", QMessageBox.Yes) # 不使用优惠券else:ifself.balance >= self.money: QMessageBox.information(self, "恭喜您", "付款成功！", QMessageBox.Yes)self.balance = self.balance - self.moneyself.main_ui.label_2.setText(str(self.balance))else: QMessageBox.information(self, "对不起", "您的会员储值卡余额不足！", QMessageBox.Yes) # 没有优惠券时else:ifself.balance >= self.money: QMessageBox.information(self, "恭喜您", "付款成功！", QMessageBox.Yes)self.balance = self.balance - self.moneyself.main_ui.label_2.setText(str(self.balance))else: QMessageBox.information(self, "对不起", "您的会员储值卡余额不足！", QMessageBox.Yes)

# 打印小票 def order_tip(self): # 打开本地txt文件 with open("kfctip.txt", "w") as f: # 遍历行for row_index in range(kfcmain.main_ui.tableWidget.rowCount()): # 遍历列for column_index in range(kfcmain.main_ui.tableWidget.columnCount()): # 将tableWidget数据写入文件 f.write(kfcmain.main_ui.tableWidget.item(row_index, column_index).text() + "\n") f.write("合计：" + str(self.money) + "元") f.close()

class Normal(QWidget): def __init__(self): QWidget.__init__(self)self.normal_ui = Ui_Normal()self.normal_ui.setupUi(self)

# 初始化各基本餐加入订单按钮点击次数self.bt1 = 0self.bt2 = 0self.bt3 = 0self.bt4 = 0self.bt6 = 0 # 初始化返回按钮点击次数self.bt5 = 0 # 按钮绑定方法 btn_hamburg = self.normal_ui.pushButton btn_hamburg.clicked.connect(self.order_hamburg) btn_chicken = self.normal_ui.pushButton_2 btn_chicken.clicked.connect(self.order_chicken) btn_fries = self.normal_ui.pushButton_3 btn_fries.clicked.connect(self.order_fries) btn_tea = self.normal_ui.pushButton_4 btn_tea.clicked.connect(self.order_tea) btn_ice = self.normal_ui.pushButton_6 btn_ice.clicked.connect(self.order_ice) btn_return = self.normal_ui.pushButton_5 btn_return.clicked.connect(self.nor_show)

# 显示基本餐界面 def nor_order(self):self.normal_ui.label_3.setPixmap(QPixmap('./picture/新奥尔良.png'))self.normal_ui.label_3.setScaledContents(True)self.normal_ui.label_6.setPixmap(QPixmap('./picture/鸡翅.png'))self.normal_ui.label_6.setScaledContents(True)self.normal_ui.label_9.setPixmap(QPixmap('./picture/薯条.png'))self.normal_ui.label_9.setScaledContents(True)self.normal_ui.label_12.setPixmap(QPixmap('./picture/乌龙茶.png'))self.normal_ui.label_12.setScaledContents(True)self.normal_ui.label_15.setPixmap(QPixmap('./picture/冰淇淋.png'))self.normal_ui.label_15.setScaledContents(True) # 基本餐价格self.price_hamburg = 18.5self.price_chicken = 11.0self.price_fries = 13.0self.price_tea = 13.5self.price_ice = 10.0 # 显示价格self.normal_ui.label.setText(str(self.price_hamburg)+"元/份")self.normal_ui.label_4.setText(str(self.price_chicken)+"元/份")self.normal_ui.label_7.setText(str(self.price_fries)+"元/份")self.normal_ui.label_10.setText(str(self.price_tea)+"元/份")self.normal_ui.label_13.setText(str(self.price_ice)+"元/份") normal.show()

# 计算点击次数 def order_hamburg(self):self.bt1 += 1

def order_chicken(self):self.bt2 += 1

def order_fries(self):self.bt3 += 1

def order_tea(self):self.bt4 += 1

def order_ice(self):self.bt6 += 1

def nor_show(self):self.bt5 += 1

# 隐藏界面 normal.hide()

# 获取所选各基本餐的数量对应的价格self.num_hamburg = self.price_hamburg * self.bt1self.num_chicken = self.price_chicken * self.bt2self.num_fries = self.price_fries * self.bt3self.num_tea = self.price_tea * self.bt4self.num_ice = self.price_ice * self.bt6

# 不是第一次进入该界面ifself.bt5 > 1:for row_index in range(kfcmain.main_ui.tableWidget.rowCount()): # 获取tableWidget的所有名称，并放入name列表 name.append(kfcmain.main_ui.tableWidget.item(row_index, 0).text())if '新奥尔良烤鸡腿堡' in name: # 重新设置该行的数量和价格 kfcmain.main_ui.tableWidget.setItem(name.index('新奥尔良烤鸡腿堡'), 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(name.index('新奥尔良烤鸡腿堡'), 2, QTableWidgetItem(str(self.num_hamburg)))if '新奥尔良烤鸡腿堡' notin name: # 已选择ifself.bt1 != 0: # 添加一行数据 row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_2.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_hamburg)))if '香辣鸡翅' in name: kfcmain.main_ui.tableWidget.setItem(name.index('香辣鸡翅'), 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(name.index('香辣鸡翅'), 2, QTableWidgetItem(str(self.num_chicken)))if '香辣鸡翅' notin name:ifself.bt2 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_5.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_chicken)))if '波纹霸王薯条' in name: kfcmain.main_ui.tableWidget.setItem(name.index('波纹霸王薯条'), 1, QTableWidgetItem("×" + str(self.bt3))) kfcmain.main_ui.tableWidget.setItem(name.index('波纹霸王薯条'), 2, QTableWidgetItem(str(self.num_fries)))if '波纹霸王薯条' notin name:ifself.bt3 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_8.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt3))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_fries)))if '乌龙茶'in name: kfcmain.main_ui.tableWidget.setItem(name.index('乌龙茶'), 1, QTableWidgetItem("×" + str(self.bt4))) kfcmain.main_ui.tableWidget.setItem(name.index('乌龙茶'), 2, QTableWidgetItem(str(self.num_tea)))if '乌龙茶' notin name:ifself.bt4 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_11.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt4))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_tea)))if '原味圣代（草莓酱）' in name:

 kfcmain.main_ui.tableWidget.setItem(name.index('原味圣代（草莓酱）'), 1, QTableWidgetItem("×" + str(self.bt6)))

kfcmain.main_ui.tableWidget.setItem(name.index('原味圣代（草莓酱）'), 2, QTableWidgetItem(str(self.num_ice)))if '原味圣代（草莓酱）' notin name:ifself.bt6 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_14.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt6))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_ice))) # 第一次进入该界面else:ifself.bt1 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_2.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_hamburg)))ifself.bt2 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_5.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_chicken)))ifself.bt3 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_8.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt3))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_fries)))ifself.bt4 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_11.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt4))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_tea)))ifself.bt6 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(normal.normal_ui.label_14.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt6))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_ice)))

class Package(QWidget): def __init__(self): QWidget.__init__(self)self.package_ui = Ui_Package()self.package_ui.setupUi(self)

# 初始化各套餐加入订单按钮点击次数self.bt1 = 0self.bt2 = 0 # 初始化返回按钮点击次数self.bt3 = 0 # 按钮绑定方法 btn_pack1 = self.package_ui.pushButton btn_pack1.clicked.connect(self.order_pack1) btn_pack2 = self.package_ui.pushButton_2 btn_pack2.clicked.connect(self.order_pack2) btn_return = self.package_ui.pushButton_3 btn_return.clicked.connect(self.pac_show)

# 显示套餐界面 def pac_order(self):self.package_ui.label_5.setPixmap(QPixmap('./picture/套餐2.png'))self.package_ui.label_5.setScaledContents(True)self.package_ui.label_6.setPixmap(QPixmap('./picture/套餐1.png'))self.package_ui.label_6.setScaledContents(True) # 套餐价格self.price_pack1 = 89.0self.price_pack2 = 67.0self.package_ui.label.setText(str(self.price_pack1)+"元/份")self.package_ui.label_2.setText(str(self.price_pack2)+"元/份") package.show()

def order_pack1(self):self.bt1 += 1

def order_pack2(self):self.bt2 += 1

def pac_show(self):self.bt3 += 1

package.hide()

self.num_pack1 = self.price_pack1 * self.bt1self.num_pack2 = self.price_pack2 * self.bt2

ifself.bt3 > 1:for row_index in range(kfcmain.main_ui.tableWidget.rowCount()): name.append(kfcmain.main_ui.tableWidget.item(row_index, 0).text())if '翅桶辣堡奥堡套餐' in name: kfcmain.main_ui.tableWidget.setItem(name.index('翅桶辣堡奥堡套餐'), 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(name.index('翅桶辣堡奥堡套餐'), 2, QTableWidgetItem(str(self.num_pack1)))if '翅桶辣堡奥堡套餐' notin name:ifself.bt1 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(package.package_ui.label_3.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_pack1)))if '万圣节日劲堡桶' in name: kfcmain.main_ui.tableWidget.setItem(name.index('万圣节日劲堡桶'), 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(name.index('万圣节日劲堡桶'), 2, QTableWidgetItem(str(self.num_pack2)))if '万圣节日劲堡桶' notin name:ifself.bt2 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(package.package_ui.label_4.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_pack2)))else:ifself.bt1 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(package.package_ui.label_3.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_pack1)))ifself.bt2 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(package.package_ui.label_4.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt2))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_pack2)))

class Activity(QWidget): def __init__(self): QWidget.__init__(self)self.activity_ui = Ui_Activity()self.activity_ui.setupUi(self)

# 初始化各活动加入订单按钮点击次数self.bt1 = 0 # 初始化返回按钮点击次数self.bt3 = 0 # 绑定方法 btn_act1 = self.activity_ui.pushButton btn_act1.clicked.connect(self.order_act1) btn_act2 = self.activity_ui.pushButton_2 btn_act2.clicked.connect(self.order_act2) btn_return = self.activity_ui.pushButton_3 btn_return.clicked.connect(self.act_show)

def act_order(self):self.activity_ui.label_4.setPixmap(QPixmap('./picture/活动1.png'))self.activity_ui.label_4.setScaledContents(True)self.activity_ui.label_8.setPixmap(QPixmap('./picture/活动2.png'))self.activity_ui.label_8.setScaledContents(True) # 活动价格self.price_act1 = 29.0self.price_act2 = 69.0self.activity_ui.label.setText(str(self.price_act1) + "元/份原价:"+str(self.price_act1 + 7) + "元/份")self.activity_ui.label_5.setText(str(self.price_act2) + "元/份原价:"+str(self.price_act2 + 10) + "元/份") activity.show()

def order_act1(self):self.bt1 += 1

def order_act2(self): QMessageBox.information(self, "对不起", "活动还没有开始，敬请期待！", QMessageBox.Yes)

def act_show(self):self.bt3 += 1

activity.hide()

self.num_act1 = self.price_act1 * self.bt1

ifself.bt3 > 1:for row_index in range(kfcmain.main_ui.tableWidget.rowCount()): name.append(kfcmain.main_ui.tableWidget.item(row_index, 0).text())if '葡式蛋挞5只' in name: kfcmain.main_ui.tableWidget.setItem(name.index('葡式蛋挞5只'), 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(name.index('葡式蛋挞5只'), 2, QTableWidgetItem(str(self.num_act1)))if '葡式蛋挞5只' notin name:ifself.bt1 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(activity.activity_ui.label_3.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_act1)))else:ifself.bt1 != 0: row_count = kfcmain.main_ui.tableWidget.rowCount() kfcmain.main_ui.tableWidget.insertRow(row_count) kfcmain.main_ui.tableWidget.setItem(row_count, 0, QTableWidgetItem(activity.activity_ui.label_3.text())) kfcmain.main_ui.tableWidget.setItem(row_count, 1, QTableWidgetItem("×" + str(self.bt1))) kfcmain.main_ui.tableWidget.setItem(row_count, 2, QTableWidgetItem(str(self.num_act1)))

if __name__=="__main__": app = QApplication(sys.argv)

kfcmain = KFC_Main() normal = Normal() package = Package() activity = Activity() # 显示主界面 kfcmain.person() # 绑定按钮 btn_normal = kfcmain.main_ui.pushButton_2 btn_normal.clicked.connect(normal.nor_order) btn_package = kfcmain.main_ui.pushButton_3 btn_package.clicked.connect(package.pac_order) btn_activity = kfcmain.main_ui.pushButton_4 btn_activity.clicked.connect(activity.act_order) # 初始化name列表 name = []

sys.exit(app.exec_())

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