The Design And Implementation Of Transaction Settlement System Of DianPing

With the rapid development and popularization of the Internet,O2O and e-commerce,are also growing rapidly.These industries cannot do without the transaction.Behind these transactions are transaction settlement systems.Transaction settlement system is to carry out liquidation between traders.It is closely related to the interest and its stability and accuracy is an important standard to measure the quality of a system because any little mistake may cause a very serious impact.This paper describes the design and implementation of the transaction settlement system of DianPing,according to the business model of online and offline.This system uses J2EE system structure,advanced technique combined with Spring,Struts,iBatis,distributed communication framework named Pigeon and customized message publishing and subscription framework named Swallow.The user interface part of this system uses the design idea of the browser/server architecture.The presentation layer uses HTML and JavaScript to implement.In order to create a more friendly interactive mode,the system is also used some Ajax technology in Web.This paper introduces the present situation and the significance of the transaction settlement system firstly.Then describes the technical background,including Spring,Struts,iBatis and distributed communication framework named Pigeon and customized message publishing and subscription framework named Swallow.Then it analyzes the requirements of the transaction settlement system,describes the overall system architecture,database design,the function of each module and the detailed design.Lastly,combined with the class diagram,service definition document and the specific code,it describes the specific implementation of the transaction settlement system.