用VC++如何生成Xml文档，可换行缩进，不产生xmlns="" void CTest11Doc::tmpCreatChild()
{
HRESULT hr;
IXMLDOMDocumentPtr xmlFile;
hr = xmlFile.CreateInstance(__uuidof(DOMDocument40));
if( FAILED(hr) )
{
OutputXmlErr();
return;
}
MSXML2::IXMLDOMProcessingInstructionPtr pProcessingInstruction;
pProcessingInstruction = xmlFile->createProcessingInstruction(_bstr_t("xml"), _bstr_t("version="1.0" encoding = "utf-8""));
xmlFile->appendChild((IXMLDOMNodePtr) pProcessingInstruction);
IXMLDOMTextPtr ptrText = NULL;
_bstr_t attrName = _T("");
_variant_t attrVal = _T("");
_bstr_t text;
const _bstr_t bstrDefNs = _T("http://www.w3.org/2000/svg");
_variant_t nodetype = long(NODE_ELEMENT);
//创建根节点
_bstr_t name = _T("svg");
IXMLDOMElementPtr pXmlRoot = xmlFile->createElement(name);
if( pXmlRoot == NULL ) return;
pXmlRoot = xmlFile->appendChild(pXmlRoot);
//给根节点添加属性
attrName = _T("width");
attrVal = float(500);
pXmlRoot->setAttribute(attrName, attrVal);
attrName = _T("height");
attrVal = float(400);
pXmlRoot->setAttribute(attrName, attrVal);
attrName = _T("xmlns");
pXmlRoot->setAttribute(attrName, bstrDefNs);
attrName = _T("xmlns:xlink");
attrVal = _T("http://www.w3.org/1999/xlink");
pXmlRoot->setAttribute(attrName, attrVal);
//pXmlRoot 中添加 pNewText 节点
text = _T("
");
ptrText = xmlFile->createTextNode(text);
pXmlRoot->appendChild(ptrText);
name = _T("家禽");
IXMLDOMCommentPtr pNewText = xmlFile->createComment(name);
pXmlRoot->appendChild(pNewText);
//pXmlRoot 中添加 pNewElm节点
text = _T("
");
ptrText = xmlFile->createTextNode(text);
pXmlRoot->appendChild(ptrText);
name = _T("g");
nodetype = long(NODE_ELEMENT);
IXMLDOMElementPtr pNewElm = xmlFile->createNode(nodetype,name,bstrDefNs);
pXmlRoot->appendChild(pNewElm);
//pNewElm 中添加 text节点
name = _T("
");
ptrText = xmlFile->createTextNode(name);
pNewElm->appendChild(ptrText);
name = _T("text");
nodetype = long(NODE_ELEMENT);
IXMLDOMElementPtr pNewGChld = xmlFile->createNode(nodetype,name,bstrDefNs);
pNewElm->appendChild(pNewGChld);
name = _T("
");
ptrText = xmlFile->createTextNode(name);
pNewElm->appendChild(ptrText);
attrName = _T("x");
attrVal = float(20);
pNewGChld->setAttribute( attrName, attrVal );
attrName = _T("y");
attrVal = float(30);
pNewGChld->setAttribute( attrName, attrVal );
attrName = _T("fill");
attrVal = _T("#00007f");
pNewGChld->setAttribute( attrName, attrVal );
attrName = _T("font-family");
attrVal = _T("宋体");
pNewGChld->setAttribute( attrName, attrVal );
attrName = _T("font-size");
attrVal = float(20);
pNewGChld->setAttribute( attrName, attrVal );
text = _T("
你好，鸭子！
");
pNewGChld->put_text( text );
text = _T("
");
ptrText = xmlFile->createTextNode(text);
pXmlRoot->appendChild(ptrText);
_variant_t szPath = _T("F:\VC\信息子站\Doc\代码示例\SvgDra1.svg");
hr = xmlFile->save(szPath);
if( FAILED(hr) )
{
OutputXmlErr();
return;
}
} | 
