Abstract: In the analysis of network examination process,this paper undertakes service modeling for each link of students operating part and designs service for the examination control,generating examination paper,paper display,paper marking,examination paper logging and papers analysis.The system,implemented by AJAX combined with Spring technology,gives the ideas for application service invocations and application integration.The Bean deployment in IOC container,as well as the Json packaging method for paper transmission between application services are discussed.

Key words: network examination system, service modeling；AJAX, Spring, Java Bean, Json