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在基于B/S架构的Web应用系统中,对在页面上进行具有一对多的上下层次关系的数据组织和操作,常选择使用树形结构进行数据展示。但是,在C/S架构中易于实现的树形结构,在基于B/S架构的Web应用页面中实现有一定的难度。因此,运用Web Service、Java Script、DOM、DHTML、CSS等Web技术,作者研究并实现了一种能在Web应用的页面中进行树形数据结构组织、显示和操作的新方法,并制定出可扩展的数据交互规范和数据安全策略。在此基础上,作者对控件进行了封装,使得Web应用都能更方便地使用该基于Web Service的树形控件。
In the Web application system based on B / S architecture, data structure and operation are often chosen to use a tree structure for data organization and operation that has a one-to-many relationship between upper and lower layers on a page. However, the easy-to-implement tree structure in C / S architecture has some difficulty in implementing Web application pages based on B / S architecture. Therefore, using web technology such as Web Service, Java Script, DOM, DHTML, CSS and so on, the author has researched and implemented a new method that can organize, display and operate the tree data structure in the page of Web application, Extended data exchange specifications and data security policies. Based on this, the author encapsulates the control so that the Web application can more conveniently use the Web Service based tree control.