By the end of the paper a example is provided to show how the system works . the example can form pages of xml data from a db data and by contraries send a db data based on a xml document . the paper has arrived it ' s object 最后,详细介绍了数据源数据生成xml文档及xml文档按照一定规则存入数据库的过程,并利用dom解析器,以一个例子编码实现了从数据源数据查询结果中分页生成xml文档,以及xml文档存入到数据库;生成com使其具有复用功能。