Examination System With Dynamic Customable Table On Grails

Along with the development of Web technology,more and more governmentdepartments are changing their traditional working pattern to build E-government affairssystem to meet the new needs.In government affairs, forms are used for communicatingbetween different departments.However,there are too many kinds of forms, adynamically customized form system is in urgent need.The paper implements a convenient dynamic customization system. Users cancustomize multiple nested structure of header according to demand, column displayname and data type, any validation formula between arbitrary columns, how the data isbe grouped and aggregate of grouped data, form submission process and so on. Thesystem under Grails framework, the Groovy dynamic language features make it possibleto read custom form profile information dynamically;using Hibernate dynamiccomponent and multiple mapping technology to persistent custom form data; the SpringDSL technology enable server context can access information of dynamic customizationform.At the same time, server use communication protocol for data interaction, theforeground implementation technology can change conveniently according to the newdisplay needs.The system choose Extjs4to support the display logic at the foregroundfor its powerful library.The dynamic customization system has been practical applied to XXX city bureauof finance.The users reflect good.The system has solved the demand of practicalproduction and has got the high praise.