| With the promotion of the progress of science and technology and the popularization of network, mode and channel more and more to buy lottery football lottery is gradually changing, gradually from the entity store down the street to buy lottery transition to online purchasing. In addition the lottery and the users of the younger, more young people prefer to stay in football lottery at home through the computer access and competition related to all aspects of information through lottery web site or other network platform to buy.Based on the above social needs, I studied the lottery online shopping system, and write a thesis.First of all, this thesis introduced the internet lottery system research background, and then through the system can bring huge economic benefits and the influence to the performance of the project the significance of the study, the problems to be solved are summarized and gives the analysis and design of the whole project.This thesis puts forward the system design goal, the system carried out a detailed needs analysis, including four aspects of business needs, functional requirements, data requirements and non functional requirements, and through the internet lottery system business flow diagram, use case diagram, class diagram of the concepts described in the use case. In the design of the system, this thesis is divided into two aspects of the overall design and module design, including registration, login, personal basic information management, order management, Internet lottery, account management, user management, log management games such as function modules, and gives each function module design of the package diagram, class diagram, sequence diagram and the processing flow chart, the design of the content in detail, and the use of the entity class diagram, E-R diagram and database table structure of the database design in detail. The thesis finally summarizes the design content, points out the shortcomings of this thesis, and the further work is prospected. |