Development And Implement Of Online Sales System For Overdue Books In Library

The so-called overdue books online sales system can be used to popularize the overdue books and technology services of libraries through the Internet. The customers who have the demand for these books and services can get the information through this online system at any time. And this online sales system can also be used to handle the online orders and services so that these dormant resources can be reused again.This thesis is based on Myeclipse platform, the use of Java language to achieve the overdue books online sales system design and implementation. This design USES the MVC technology at the same time, in order to fundamentally will like database query data layer code and presentation layer like HTML code mandatory apart, at the same time can put the different models and different views together complete different request. Paper mainly includes overdue books online sales system of requirement analysis, system overall design, detailed design and realization of the system and so much.1. Describe the composition and structure of the overdue periodicals online sales system, this paper expounds the design scheme and realization method of the system. The concrete content includes: requirement analysis, system overall design, system detailed design and implementation and testing of the system. And in certain important modules of the system under the condition of simulated test, confirmed that the usability and reliability of the system.2. Requirement analysis report is a comprehensive analysis of the system requirements, is the most crucial step in software life cycle, is the foundation of software development. After requirement analysis to get the system will \ "do\", at the same time understanding based on what to do to extract the essence of \ "how to\". Then the concrete expression of the content of the demand analysis, detailed describes the data flow graph and data dictionary.3. Complete book overdue books online sales system database data process of demand analysis, specification database by conceptual structure design into a logic structure design process, and combine the physical data model to form a whole of the relational database model.4. The book overdue books online sales system design is introduced in detail. This system detailed design principle is to use the structured design methods, to improve the control structure, reduce the complexity of the program, so as to improve the readability of the program, testability and maintainability.5. Software testing is the most important in software development, in the process of project management, emphasizes the every every link of the process of test, the system can control at each stage. Complete the book overdue books online sales system software modules tested repeatedly, and has carried on the detailed test instructions.