| As the Socialism Market economy in China is developing with a rapid speed, Medium and Small Sized Enterprises are having a bigger and bigger quantity and playing a more and more important role. In many Medium and Small Sized Enterprises, Commodities Circulation Enterprises have the biggest amount. The intensive industrial competition becomes the key factor for their survival. This requires the enterprises have an exact and timely business information collection. In the past, the operation of the distribution industry, commonly depended on manual work. It was easily to make a mistake to calculate by manual work, further more it cannot put up the relationship among data visually in time, so it weakens the competition capacity of the enterprise in the marketIn this thesis analyzed the current situation at home and abroad Purchase, Sales management and existing problems on the basis of our combined circulation of small medium-sized enterprises of the actual needs of Purchase, Sales Management, examined the "small and medium-sized enterprises circulation Purchase, Sales and Inventory Management System Analysis And Design. " The main content of this thesis is to combine the management of the nature of the business Invoicing, Purchase, Sales and Inventory Management System on the first of the status quo at home and abroad, as well as current issues in a comprehensive analysis and then give full consideration to small and medium-sized enterprises circulation of the actual management of Purchase, Sales The situation on the basis of the application of software engineering and object-oriented thinking of the methodology of the system in detail the needs analysis, business process analysis, system design and the function modules, given the Purchase, Sales Management System in the purchase, sale, Inventory management in the basic functions of the modules to achieve specific, so the system can use a single network can also be used. The present system of corporate computer systems and products for security management, great managers and to reduce the workload of the operator's basically the corporate Invoicing achieve the information management processes. |