该系统需求包括四个主要流程：导入、竞标、开标和交付/收货管理。操作员将询价 Excel 文件导入系统并向供应商发布询价单，供应商在截止日期前进行竞标并可进行重新报价。截止日期后，操作员审核竞标并确认中标供应商，系统通知中标供应商。在收到中标通知后，供应商将获胜标识 QR 码粘贴在包装箱外，并在收到货物时扫描 QR 码以确认产品信息和发票信息。系统还提供了查询功能和移动版本，特别授权的用户可以查看所有竞标信息但无法修改。系统界面应简单易用。
踏石自然叫牌法 - A natural bidding system for contract bridge.
This bidding system was created using java and used client sever and publisher subscriber architectures
The introduction of a bidding system to Facebook Marketplace
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