Analysis And Design Of Office Automation System

Under the guidance of national guidelines and policies of large-scale information systems in our country shows the trend of the spread and integrated development. Through my work unit and Lijiang, a number of financial institutions, government agencies understand the use of office automation system, the expansion of office automation information system of research, the use of software engineering knowledge learned traditional office business unit where I conducted information transformation, achieve the unit where customized office automation system, the paper gives the first organization chart sector through research and analysis organization services, etc., gives the main business of office automation systems, based on the main business of office automation draw the top-level office automation business data flow diagram, the intermediate layer and the underlying data flow diagram data flow diagram, and the corresponding data dictionary, requirement analysis, the data flow diagram of business one by one into the corresponding system module structure diagram, and the structure of the module combined data stream corresponding to the information given in Figure IPO, completed the modular design of office automation systems, based on the data flow diagram, ER diagram given office automation system design and database tables.