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asp.net建网站,wordpress中文主题排行,郴州网站制作公司哪家好,建站小程序基于C# WinForm的收银管理系统实现#xff0c;整合了商品管理、销售结算、库存跟踪等核心功能#xff0c;并采用模块化设计和面向对象编程思想#xff1a; 一、系统架构设计 1. 分层架构 // 数据访问层 (DAL) public class ProductDAL {public ListProduct GetPro…基于C# WinForm的收银管理系统实现整合了商品管理、销售结算、库存跟踪等核心功能并采用模块化设计和面向对象编程思想一、系统架构设计1. 分层架构// 数据访问层 (DAL)publicclassProductDAL{publicListProductGetProducts(){/* 数据库查询 */}publicvoidUpdateStock(stringbarcode,intquantity){/* 更新库存 */}}// 业务逻辑层 (BLL)publicclassSaleService{privateProductDAL_productDAL;publicdecimalCalculateTotal(ListCartItemitems){/* 计算总价 */}}// 表示层 (UI)publicpartialclassMainForm:Form{privateSaleService_saleService;privateBindingListCartItem_cartnew();}2. 技术选型数据库SQLite轻量级或 SQL Server企业级ORM框架SqliteSugar简化数据库操作UI框架SunnyUI现代化控件库条码识别ZBarNet开源条码库二、核心功能模块1. 商品管理模块publicclassProduct{publicstringBarcode{get;set;}// 条码唯一标识publicstringName{get;set;}// 商品名称publicdecimalPrice{get;set;}// 售价publicintStock{get;set;}// 库存数量publicDateTimeExpireDate{get;set;}// 保质期}// 商品服务类publicclassProductService{publicBindingListProductLoadProducts(){// 从数据库加载商品列表}publicvoidAddProduct(Productproduct){// 实现商品新增逻辑}}2. 销售结算模块// 购物车项publicclassCartItem{publicProductProduct{get;set;}publicintQuantity{get;set;}publicdecimalSubtotalProduct.Price*Quantity;}// 收银服务类publicclassCheckoutService{privateListCartItem_cartnew();publicvoidAddToCart(Productproduct,intquantity){// 添加商品到购物车}publicdecimalCalculateTotal(){return_cart.Sum(itemitem.Subtotal);}publicvoidApplyDiscount(decimaldiscountRate){// 应用折扣逻辑}}3. 库存管理系统publicclassInventoryManager{publiceventEventHandlerStockChangedEventArgsStockChanged;publicvoidUpdateStock(stringbarcode,intnewQuantity){// 更新库存并触发事件StockChanged?.Invoke(this,newStockChangedEventArgs(barcode,newQuantity));}}publicclassStockChangedEventArgs:EventArgs{publicstringBarcode{get;}publicintNewQuantity{get;}publicStockChangedEventArgs(stringbarcode,intnewQuantity){Barcodebarcode;NewQuantitynewQuantity;}}三、界面设计实现1. 主界面布局!--使用SunnyUI控件--Windowx:ClassCashSystem.MainWindowxmlnshttp://schemas.microsoft.com/winfx/2006/xaml/presentationxmlns:xhttp://schemas.microsoft.com/winfx/2006/xamlTitle收银系统Height600Width800DockPanel!--商品扫描区--Border DockPanel.DockTopHeight150zbar:BarcodeReaderx:NamescannerScanModeContinuousOnScanScanner_OnScan//Border!--购物车展示--DataGridx:NamecartGridItemsSource{Binding CartItems}AutoGenerateColumnsFalseDataGrid.ColumnsDataGridTextColumnHeader商品Binding{Binding Product.Name}/DataGridTextColumnHeader数量Binding{Binding Quantity}/DataGridTextColumnHeader小计Binding{Binding Subtotal}//DataGrid.Columns/DataGrid!--收银操作区--StackPanel DockPanel.DockBottomOrientationHorizontalButtonContent结算Command{Binding CheckoutCommand}/ButtonContent取消Command{Binding CancelCommand}//StackPanel/DockPanel/Window2. 打印小票功能publicclassReceiptPrinter{publicvoidPrintReceipt(ListCartItemitems,decimaltotal){varbuildernewStringBuilder();builder.AppendLine( 收据 );foreach(variteminitems){builder.AppendLine(${item.Product.Name}x{item.Quantity}{item.Subtotal:F2});}builder.AppendLine($总计{total:F2});builder.AppendLine(谢谢惠顾);// 调用打印机APIRawPrinterHelper.SendStringToPrinter(POS_PRINTER,builder.ToString());}}publicstaticclassRawPrinterHelper{[DllImport(winspool.drv,CharSetCharSet.Unicode)]publicstaticexternboolWritePrinter(IntPtrhPrinter,stringpBuf,intcdBuf,outintpcWritten,IntPtrpDefault);publicstaticvoidSendStringToPrinter(stringprinterName,stringcontent){// 实现打印逻辑}}四、关键技术实现1. 条码扫描集成// 初始化扫描设备privatevoidInitScanner(){scanner.DeviceEnabledtrue;scanner.Decode(s,e){if(e.Barcode!null){varproductProductService.FindByBarcode(e.Barcode);if(product!null){AddToCart(product,1);}}};}2. 库存实时更新// 使用观察者模式publicclassInventoryService{privateInventoryManager_manager;publicInventoryService(){_managernewInventoryManager();_manager.StockChangedOnStockChanged;}privatevoidOnStockChanged(objectsender,StockChangedEventArgse){// 更新UI库存显示UpdateStockDisplay(e.Barcode,e.NewQuantity);}}参考代码 C#Winfrom旺旺收银管理系统www.youwenfan.com/contentcsn/92648.html五、扩展功能建议会员管理系统积分累计与兑换会员等级折扣publicclassMember{publicstringPhone{get;set;}publicintPoints{get;set;}publicdecimalDiscountRate{get;set;}}支付接口扩展微信/支付宝扫码支付银联POS对接publicinterfaceIPaymentGateway{boolProcessPayment(decimalamount);}数据分析模块销售统计报表热销商品分析publicclassSalesReport{publicDateTimeReportDate{get;set;}publicdecimalTotalSales{get;set;}publicListProductTopSellers{get;set;}}六、部署与维护安装包配置包含.NET Framework运行时 集成SQLite数据库文件 自动更新机制安全措施数据加密存储操作日志记录publicclassAuditLog{publicDateTimeTimestamp{get;set;}publicstringAction{get;set;}publicstringUser{get;set;}}七、项目结构示例CashSystem/ ├── src/ │ ├── mainform.xaml # 主界面 │ ├── services/ # 业务逻辑层 │ ├── dal/ # 数据访问层 │ ├── models/ # 数据模型 │ └── utils/ # 工具类 ├── tests/ # 单元测试 ├── docs/ # 技术文档 └── installer/ # 安装包