VC parsing xml--Parsing XML using CMarkup class

The VC parsing xml--uses the CMarkup class to parse the XML. --yxifu

(a) First to talk about the characters in the XML, manually fill in the note.

Character entity
& & or & #38; #38;
' ' or & #39;
> > or & #62;
< &lt; or & #38;& #60;
"&quot; or & #34;

(ii) The source code of the CMarkup class.

This is currently the latest version;

This is the official website sample file, take out the inside of Markup.cpp and Markup.h, import your project inside, CMarkup class can use;

Download Address: Http://www.firstobject.com/Markup90.zip October 1, 2007 the latest version of the official website

If you can't download it, you can go to the official website to download http://www.firstobject.com/dn_markup.htm

(iii) Create an XML document.

CMarkup XML;
Xml. Addelem ("ORDER");
Xml. Addchildelem ("ITEM");
Xml. Intoelem ();
Xml. Addchildelem ("SN", "132487a-j");
Xml. Addchildelem ("NAME", "Crank casing");
Xml. Addchildelem ("QTY", "1");
Xml. Save ("C://userinfo.xml");

The effect is as follows:

CMarkup XML;
 (XML. Findchildelem ("ITEM"))
{  XML.    Intoelem ();  XML.    Findchildelem ("SN");  CString cssn = XML.    Getchilddata ();  XML.     Findchildelem ("QTY");
Nqty = Atoi (XML.    Getchilddata ());  XML. Outofelem ();
}

Add in the last face, use Addelem; add at the top, use Insertelem.

CMarkup XML;

Xml. Load ("C://.xml");
Xml. Addelem ("ORDER");
Xml. Intoelem (); 



  XML.    Addelem ("ITEM");  XML.    Intoelem ();  XML. Addelem ("SN", "4238764-a" ); add element  XML. Addelem ("NAME", "bearing" );//add element  XML. Addelem ("QTY", " " ");//Add Element
  

Xml. Addelem ("SHIPMENT");
Xml. Intoelem (); 
Xml. Addelem ("POC");//add Element
XML. Setattrib ("type", "non-emergency");//Add attribute
XML. Intoelem (); 
Xml. Addelem ("NAME", "John Smith");//add Element
XML. Addelem ("TEL", "555-1234");//add Element
XML. Save ("C://.xml");

The effect is as follows:

(vi) Modifying elements and attributes

If the attribute type in the POC is changed to: change;

Element Tel changed to: 123456789

CMarkup XML;
if (XML. Load ("Userinfo.xml"))
{
CString strUserID = _t ("");
Xml. Resetmainpos ();
if (XML. Findchildelem ("SHIPMENT"))
{
Xml. Intoelem ();
if (XML. Findchildelem ("POC"))
{
Xml. Intoelem ();
CString Str_type=xml. Getattrib ("type");
MessageBox (Str_type);
Xml. Setattrib ("type", "change");
strUserID = XML. GetData ();

if (XML. Findchildelem ("TEL"))
{
Xml. Intoelem ();
Xml. SetData ("123456789");
Xml. Save ("Userinfo.xml");
Return
}
}
}
}

(vii) Delete elements:

Delete the Sn=132487a-j item.

CMarkup XML;
if (XML. Load ("Userinfo.xml"))
{
CString strUserID = _t ("");
Xml. Resetmainpos ();
if (XML. Findchildelem ("ITEM"))
{
Xml. Intoelem ();
CString STR_SN;
Xml. Findchildelem ("SN");
Str_sn=xml. Getchilddata ();
if (str_sn== "132487a-j")
{
Xml. Removeelem ();
Xml. Save ("Userinfo.xml");
}
}
}

Transferred from: http://hi.baidu.com/yxifu/blog/item/fa1569225bda52a44623e8f0.html