一个很简单的XML封装类,功能还不够完善，希望能够在大家的提点下继续完善,源文件中包含有三个类（具体看头文件）：CXml XML文件类CXmlNode XML结点类CXmlNodes XML结点集合类 -A very simple XML package type, function also is not perfect, we hope to be able to continue to improve the under mentioned points, the source fi