Design And Implementation Of Purchase-sell-inventory Management System

The information technology has developed in a rapid pace since the 21 st century. The situation faced by enterprises has transformed to intellectual economy and economic integration, which has laid a solid foundation for the information building of the enterprise. Information management can effectively lower the cost, improve the efficiency and make the company more competitive, gradually becoming the prerequisite of the health development of modern enterprises.In China, Electronic Commerce which takes a great part of the domestic economy has developed gradually since the 21 st century. And the most problems faced by the small sized companies which belong to the field of electronic commerce include the low level of information process, the low rate of computer usage, and the high percentage of handwork handling. However, building an efficient and stable management system can effectively control the buying, selling, storing and checking processes of products. Thus it can make the buying and selling processes an organic integration, and place the enterprise in a totally controlled condition, and direct the market to move forward.This essay proposes a conception to build a Purchase-Sell-Inventory Management System based on the theory of supply chain and the current developing stage of our country with references to advanced international thoughts. Based on the innovative thoughts of mainstream information system, this essay gives a detailed study and analysis on the requirements of the system. And the core idea of the interaction is changed from the traditional to the process oriented.Based on the systematical analysis, this project proposes a design of the framework and technology route of the system, explains the functions of the system and the design of the data base and other key sections, and complete modeling the system. For the key parts of the system, this project proposes the alarming strategy which based on the Activity Based Classification, the analyzing method of the enterprise's management which based on the On-Line Analytical Processing, and the access management strategy which based on the Role Based Access Control, thus finish the founding of Purchase-Sell-Inventory Management System.The project develops the system by choosing the technologies which faces to the targets like J2 EE, ExtJS and MySQL and SSH. Through improving pagination technology, the complexity of the system is lowered and the customers will have better experiences. This project finally completes the foundation of Purchase-Sell-Inventory Management System with the functions of selling, checking the prices and ledgers, management section, products storage and basic data, thus encourage the information transformation of small sized companies.