Universal Network Bid And Tender System

To realize the automation of the inviting public biding and tendering course, and save manpower and cost, and to improve the standardization and controllability, it has certain pratical significance to exploit this web system.In this article,we analyze the sequence of inviting public biding and the relative policies and rules, complete the requirement analysis, make the design of system usecase, make the design of system function, describe the interface of the system, and the design of database and so on. And then, describe some pivotal technologies. This system bases on the J2EE platform, use the realization technologies sush us EJB,JSP,XML, explain the pivotal code segment. This system realize the prototype of the inviting public biding system, it has friendly interface, and is convenient to use, it realize the automatic manage of inviting public biding, it solve management of multiple kind of users, and controlling of authorized accessing strictly and flexibly, and uploading and downloading document remotely, and encrypting and decrypting document, and defining the criterion of biding evaluation by XML, and sending email, and querying information conveniently and quickly.The aim of the system is to make the course of enterprise inviting public biding and tenderee realize electronication, automatization, make the data analysis more clear, make the manage process more normative. This system will be improved according to the users with using.