The Union Electronic Payment Client’s Design Arid Implementation

Development of payment applications, promote the increase ofvarious types, with payment function intelligent information terminal.Build an open software platform for intelligent information terminalcapable of sharing different types of intelligent information terminalapplication software.Electronic payment is the units or individuals through electronicterminal, issue payment instructions to the banking financial institutionsdirectly or indirectly, to achieve monetary payment and funds transferbehavior. Business types of electronic payment instructions initiatedpayment way into online payment by electronic, telephone payment,mobile payment, point of sale transaction terminals, ATM and otherelectronic payment transactions.The main features of electronic payments, including: digitalpayment methods, the use of advanced technology by digital transfer tocomplete the information transfer; open system platform, as long as theInternet, local and tools are available for electronic payment; advancedmeans of communication, basic communications can be used on all toolscan become electronic payment terminals; obvious advantages ofpayment, electronic payment more convenient, fast, efficient andeconomical than traditional payment way. They can not go out tocomplete the payment process and pay fees than traditional payment ismuch lower. Currently, the types of electronic payments are divided into threetypes: online payment, online payment primarily Internet-based, using thebank’s digital financial instruments, occurred between buyers and sellers,enabling the entire payment process; telephone payment, a telephone linebelongs to the next payment in the form of electronic payment, theconsumer generally telephone terminal apparatus or the like, to completethe payment process; mobile payment, mobile payment is complete a newpayment method by the wireless payment, the terminal such as mobilephones and other tools can be used the payment.This thesis describes the design process UnionPay electronicpayment terminal applications. Terminal operating system is Linux,software development mainly used Qt, terminal data storage mainly usedSqlite (open source database) and XML, communication is GPRS.System features include: bank card balance inquiries, chargeback andinterbank transfer; other non-business functions as a terminal sign andremote upgrades; server protocol used Union8583packets.The main function of mobile terminal users to sign, using the bankcard balance inquiries, as well as upgrade chargeback CUP, CUPinterbank transfer channels, the remote system, settlement clearing.Customers using the bank card in the office of financial instruments thatare supported above the log, obtain the necessary secret key, and thenenter the individual centers for various operations. In life, you can takeadvantage of electronic payment deductions must be in life and transfers,making life more convenient. And now the network in anytime, anywhere,making upgrades and remote control of electronic payment systems morefaster and easier. And their monthly consumption can be classifiedanalyze a system whereby you can know their own economic situation and consumption.Through this system project that can make us have a clearerunderstanding of the electrons payment. Let’s use of electronic paymentsmore convenient and more efficient and safe. And the payment of thedifference between traditional and electronic payments also have a moreobjective understanding. Their technology also has a more profoundlearning, and also make us have a good progress in study.