Design And Implementation Of POS System For Bank Aid To Agriculture Based On Cordova Framework

With the development of domestic economy and the penetration of Internet financial enterprises,various third-party payment means,represented by mobile payment,have brought urban residents a very convenient payment experience.However,many rural residents are mainly left-behind elderly and children,and mobile payment is difficult to popularize in rural areas.In order to seize the rural market,banks urgently need to not only meet the financial business needs of rural residents,but also greatly reduce the cost of bank outlets to help farmers POS.Agricultural POS is an innovative attempt to develop a mature intelligent POS system according to the special needs of rural financial services.Based on this background,this paper designs and implements a POS system to help farmers.This paper chooses Android platform and its applicable Cordova hybrid development framework to develop.It combines banking business requirements and achieves system functions through user interaction,background data processing and hardware invocation.This paper analyses the current demand for financial services in rural areas,and uses UML sequence diagram to design the functions of POS system and the business logic of each function in detail.This POS system has made great breakthroughs in function design and implementation.It not only achieves basic financial functions such as convenient inquiry and transfer,but also realizes cash withdrawal and withdrawal functions and local characteristics through the transaction logic between user and POS administrator without hardware module of deposit and withdrawal.The functions of peasant endowment insurance,medical insurance and electricity cash payment.Finally,the test plan of the POS system is made,and the test cases are designed from the aspects of function,performance and interface,and the test is executed.More than 2000 rural service stations in Jinan,Binzhou and Liaocheng of Shandong Province have been deployed after the completion of testing and trial operation of the POS system.At present,the operation of POS is stable,which can meet the needs of local rural financial services and provide convenient and fast financial services for rural areas.