【正文】 s .NET platform and is the successor to Microsoft39。s objectives. 1 GENERAL The function of Online Book Sales systems which to basic implementation of administrators, and other basic information to add, delete, and modify. With the current puter technology and the rapid development of work munication techniques, puterbased bookstore foundation information management and traditional bookstore management are significantly different. The different carrier: Traditional management form is passed with the paper to administrators and other information, such as title, author, publishers, etc.,this information is for consumers to paper filing insurance。an SanLian Bookshop achieved the expected results. When we design online book sales system, through our team members and teacher Hong to help ,After the feasibility of the system analysis, requirements analysis, outline design, detailed design and postmissioning. Finally pleted the system design and development. Here, We first want to thank our supervisor Hong, for her development of the whole process in the system give us valuable advice and guidance given to the patient. During system development, Hong at each stage in system design and development of innovative ideas and give their views, according to Hong design ideas, not only to perfect the functions of the system, but also to we are constantly learning system design exploration, gained more knowledge. At the same time, we would also like to thank the same group of students is our efforts that makes the system more humane interface, features more perfect. Finally, we would like to thank my alma mater, Huaiyin Institute of Technology provides a relaxed room environment so that I can win this graduation. Once again, We sincerely thank all for giving me help and support of teachers and friends! Thank you. Qin Lei Zhou Chao HYIT – GENETIC SINGAPORE COMPUTER SCHOOL GROUP 9 OBS For HYIT Page 2 BASIC KNOWLEDGE Tables of Contents ONLINE BOOK SALES SYSTEM REGULATION ............................................................3 CHAPTER 1: INTRODUCTION ..............................................................................................6 Background of System Development .............................................................................6 Domestic and Foreign Research Present Situations ...................................................7 Infrastructure ......................................................................................................................7 Schedule of Project.............................................................................................................8 Method of Investigation ....................................................................................................9 CHAPTER 2: INTRODUTION TO TECHNOLOGIES .................................................. 10 Programming Language ................................................................................................ 10 Visual Studio 2020 ........................................................................................................... 11 C ............................................................................................................................... 11 ..................................................................................................................... 12 Microsoft SQL Server 2020.................................................................................. 12 ................................................................................................... 12 Inter Information Services () ......................................................... 13 Based On B/S Architecture .................................................................................. 13 AJAX ......................................................................................................................... 14 CHAPTER 3: SYSTEM ANALYSIS ..................................................................................... 15 System Requirement Analysis ...................................................................................... 16 Function Requirement Analysis ................................................................................... 17 Data Flow Diagram ......................................................................................................... 19 DFD of System......................................................................................................... 20 DFD of Online Book Sales System ...................................................................... 21 DFD of “Background System” ............................................................................ 22 DFD of “User Management”................................................................................ 23 DFD of “View Book” ............................................................................................. 24 DFD of “Shopping” ................................................................................................ 25 DFD of “Modify User Info”.................................................................................. 26 DFD of “View Book Details”................................................................................ 27 DFD OF “System User Management” ............................................................... 29 DFD OF “User List” .............................................................................................. 29 DFD OF “Book Management” .......................................................................... 30 DFD OF “Modify Book Info” ............................................................................ 31 DFD OF “Order Management” ......................................................