基于XML的通用查询子系统实现技术及应用

Designed technique and applications of general query subsystem based on XML

提出了一种基于XML的通用综合查询子系统的实现技术,目的是解决目前各种信息化系统中的查询子系统不能通用的缺点。方法是体系结构采用现在流行的3层体系结构模型,界面层基于XML,使用JSP技术;中间层起着枢纽作用,使用JavaBean技术;数据层用来存储数据。结果表明此系统除有着通用性强、移植性好等优点外,还有着对用户需求、数据库表(诸如表字段、表字段数据类型等)等改变适应性极强的优点。此子系统已得到广泛的应用。

Aiming at solving the not-general defect of query subsystem in current information systems, a designed technique of general subsystem of integrated query was suggested based on XML. Its method is that the subsystem adopts currently popular system structure model of three layers, and uses JSP on the first layer based on XML, and uses javabean on the second layer, and uses database on the third layer. Results conclusion is that it has not only many advantages, such as independence of platform, good universality, but also good flexibility to change user＇s requirement and database＇s tables and so on. It has been applied generally.