xml文件操作，读xml数据 修改 删除xml节点的数据 对数据进行各种操作-xml file operations, reading xml data modifications to delete xml node data for various operations on the data

XML解析类，轻巧、简单、易用(内含源码、示例程序以及文档说明)-This is a basic XML parser written in ANSI C++ for portability. It works by using recursion and a node tree for breaking down the elements of an XML document.