Web Invoice Management System Based on Asymmetric Encryption and Barcode Technology

目前，发票管理上假票泛滥、大头小尾等违法行为大量存在的严峻形势使税务部门迫切需要开发一套能有效遏制发票违法行为的发票管理系统。本文基于非对称加密及二维码技术设计并实现了一个Web开票系统。整个系统共分八个模块：发票内容非对称加解密，发票密文二维码图像生成与解码，发票开具、验证、检索、统计、电子发票导出等发票操作，纳税人、税务人员等基本信息管理和批量导入，发票类别及限额管理，顾客管理，主营货物管理，系统管理。 本课题利用非对称加密及二维码技术，对发票重点内容进行非对称加密，并将密文生成二维码图案随同发票明文打印在发票内，提高发票的防伪强度；采用XML格式作为电子发票的载体，对电子发票的发展进行...In the current management of invoices, there is an abundance of injurias such as the rampancy of fake invoices and the phenomenon of more moneys on exhibit and lesser moneys on counterfoil. Such a severe situation cries for an invoice management system that can effectively check these injurias. Based on asymmetric cryptography and two-dimension bar code technique, this project designed and realize...学位：工程硕士院系专业：软件学院_工程硕士(软件工程)学号：X200823005