| "software is services" has become the tendency of software development, Dynamic E-business is the result of this idea. And there are many issues in the applications of the current E-business, such as the business flows change frequently, it is difficult to collect, summarize, integrate and transmit information between different systems on enterprise platforms. Dynamic E-business based on Web Services is the best way to solve these issues. Web Services has open standard protocols, high ability to integrate, looser coupling and good packing, it is a good way to solve the current E-business problems and it is also the core technology for developing Dynamic E-business.This dissertation mainly study Web Services technology and achieving immediate assembly, plug-and-play Dynamic E-business with this kind of technology.Firstly, this dissertation reviewes the course of development of e-commerce, makes clear that Dynamic E-business is the e-commerce development goal, explantes what is Dynamic E-business in detail. And then the dissertation analyzes simply the Web Services's concepts,features and architecture, puts forward the solution of Dynamic E-business.The dissertation puts much attention to analyze, design and implement a Dynamic E-business case, which is a Marketing System Online, based on Web Services. Analyzes detailedly the case with UML technology, establishes the Uses Cases model and Domain Model of the E-business' system, describes various functional modules' process with activity diagram. Designs the database in detail, creates the logic database model and relationship diagram. Puts the Web Services technology into every steps of the system' design, presents a new architecture of E-business's application, designs the Web Services' application's scheme, and contrives Web Services' API in detail. According to analysis and design, the dissertation implements the Dynamic E-business case. Highlights on some of mayor functional module's realization and Web Services' creation. Expound the way to publish, discover and integrate Web Services.Finally, the dissertation focus on WS-Security. Analyzes the SOAP's security in detail, and establishes a security model of Web Services,discusses how to implement WS-Security. |