电子文档的概要设计和详细设计，系统流程图以及数据库表。-With the rapid development of computer technology, computers in business management applications to the popularization of computer use of electronic document management is imperative, office automation is information-based enterprises in the construction phase of the typical basic needs, is designed to standardize Enterprises and institutions of the day-to-day work processes and staff of day-to-day conduct. Electronic document management is to manage a very important cause of the management. It knowledge management as the core, communication, coordination and control for the purpose, will be thinking of modern office management and computer, networking, communications and other information tools highly integrated. Its implementation will improve work efficiency, enhance communication and collaboration, to achieve efficient management of electronic documents. Enterprises in the information is stored in the form of documents, along with the growing number of electronic documents, the est