CMarkup 클래스 작업 XML 요약에 대한 자세한 소개

<?xml version="1.0" encoding="UTF-8" ?>   
 <UserInfos>  
  <UserInfo>  
   <name>WangYao</name>   
   <age>25</age>   
  </UserInfo>  
  <UserInfo>  
   <name>Hisin</name>   
   <age>27</age>   
  </UserInfo>  
 </UserInfos>

CMarkup xml;  
bool    flag;  
  
//加载Xml文件  
flag = xml.Load("d:\\UserInfos.xml");  
if (!flag)  
{  
    AfxMessageBox(TEXT("加载d:\\UserInfos.xml失败,请检查"));  
    return;  
}  
  
//定位到Root Elem  
xml.ResetPos();  
flag = xml.FindElem("UserInfos");  //Root Elem为<UserInfos></UserInfos>  
if (!flag)  
{  
    return;  
}  
  
xml.IntoElem();   //进入根节点  
while(xml.FindElem(TEXT("UserInfo")))  
{  
    xml.IntoElem();   //进入<UserInfo></UserInfo>  
  
    //获取name节点数据  
    flag = xml.FindElem(TEXT("name"));  
    if (flag)  
    {  
        CString cstrName;  
        cstrName = xml.GetData();  
        AfxMessageBox(cstrName);  
    }  
  
    //获取age节点数据  
    xml.ResetMainPos();   //保证不管name节点和age节点的顺序如何,都能找到age节点  
    flag = xml.FindElem(TEXT("age"));  
    if (flag)  
    {  
        CString cstrAge;  
        cstrAge = xml.GetData();  
        AfxMessageBox(cstrAge);  
    }  
  
    xml.OutOfElem();  //跳出<UserInfo></UserInfo>  
}  
xml.OutOfElem();  //跳出根节点

xml.IntoElem();   //进入根节点  
while(xml.FindElem(TEXT("UserInfo")))  
{  
    //获取name子节点数据  
    flag = xml.FindChildElem(TEXT("name"));  
    if (flag)  
    {  
        CString cstrName;  
        cstrName = xml.GetChildData();  
        AfxMessageBox(cstrName);  
    }  
  
    //获取age子节点数据  
    xml.ResetChildPos();   //保证不管name子节点和age子节点的顺序如何,都能找到age子节点  
    flag = xml.FindChildElem(TEXT("age"));  
    if (flag)  
    {  
        CString cstrAge;  
        cstrAge = xml.GetChildData();  
        AfxMessageBox(cstrAge);  
    }  
}  
xml.OutOfElem();  //跳出根节点

...
xml.SavePos(Text("abc"));
OpXml(xml);  //该函数可能会改变xml的Pos，则可以利用SavePos与RestorePos复原该函数执行前xml的Pos
xml.RestorePos(Text("abc"));
...