Research And Development Of Telemedicine System Based On J2EE Multi-tier Structure

With the development of internet business and increasing requirement of network bandwidth, wide band has becomes the emphasis of constructing Information Expressway. Wide City Band(WCB) provides high-speed business platform for telemedicine. We design a Remote Diagnose System with web technology, which is undoubtedly dominant in information platforms. Rapid development of computer technology and network technology provides dependable guarantee for building high quality EMIS system.The main aspects of the article include:(1) To introduce the concept and structure of J2EE framework which include four tier structures: client tier, web tier, business tier and enterprise information system tier. It explains the relations among these four tiers.(2) By discussing the character, architecture, main concept and application field of the Union Model Language-UML, we can draw a conclusion that UML is adapt to describe any kind system based on Object Oriented technology and it can used in different phases in system developing from requirement specification description to testing and maintain after finished the system.(3) The technology concept and character of echo framework are discussed. Echo framework includes two tiers: groupware frame and application container frame. Echo is a powerful software framework for developing Web application. Technique based on page layout used to set up abundant content part in the website. Application based on echo used to create complicated interactive page.(4) To discuss the conception and specialty of Spring+Hibernate conformity framework. Spring is a lightweight J2EE application development framework. It realizes genuine separation between logic tier and web tier, which provides a comprehensive foundation support from button to tip for J2EE lightweight resolving project. Hibernate is a relatively thorough object mapping tool for java and it can map the great mass of JavaBeans directly without changing them. Hibernate can map multi-class defined by a user to the same row in a table. It uses agent mode to predigest the process of loading a class. Making use ofHibernate can economize a lot of developing time and cost.(5) The dissertation gives an example for telemedicine to introduce a material implement based on echo, Spring and Hibernate framework. The current situation of Computer Patient Record (CPR) research and application are discussed. The thesis also shows how to actualize a telemedicine with the technology discussed above.(6) At last I summarize the thesis and imply some problem needed to research and explore in the future.