我是C ++的新手,并继承了以下代码,该代码应该使用XSLT文件转换给定的XML,只是吐出文本值。
它加载了XML和XSLT,并且transformnode()调用返回成功但没有应用转换。底部的原始输出包含原始XML。
它正在使用MSXML 3.0。我已经使用Xselerator来验证XSLT是否有效并且正常工作(即返回字符串“This is a test message ..”)。
这是代码(减去所有错误处理):
IXMLDOMNode *m_pXslt;
ESSXsltData::Initialise(void)
{
IUnknown *l_pUnknown = NULL;
IXMLDOMDocument *l_pXSLDocument = NULL;
HRESULT hr = CoCreateInstance(__uuidof(DOMDocument), NULL, CLSCTX_ALL, IID_IUnknown, (LPVOID *)&l_pUnknown);
hr = l_pUnknown->QueryInterface(IID_IXMLDOMDocument,(LPVOID *)&l_pXSLDocument);
CString l_sFileName(RetrieveXsltFileName().c_str() );
hr = l_pXSLDocument->load(l_vFileName, &l_bSuccess);
hr = l_pXSLDocument->QueryInterface(IID_IXMLDOMNode, (LPVOID *)(&m_pXslt) );
}
HRESULT ESSXsltData::ApplyXslt(const char *p_pszESSXml, std::vector< std::string > &p_CommentLines)
{
IUnknown *l_pUnknown = NULL;
IXMLDOMDocument *l_pDocument = NULL;
if (p_pszESSXml)
{
VARIANT_BOOL l_bSuccess;
HRESULT hr = CoCreateInstance(__uuidof(DOMDocument), NULL, CLSCTX_ALL, IID_IUnknown, (LPVOID *)&l_pUnknown);
hr = l_pUnknown->QueryInterface(IID_IXMLDOMDocument,(LPVOID *)&l_pDocument);
hr = l_pDocument->loadXML(CComBSTR(p_pszESSXml) , &l_bSuccess);
hr = l_pDocument->QueryInterface(IID_IXMLDOMNode, (LPVOID *)(&m_pXslt) );
BSTR l_bsOutput = NULL;
hr = l_pDocument->transformNode(m_pXslt, &l_bsOutput);
COLE2T l_AsciiOutput(l_bsOutput);
log << "AsciiOutput: " << l_AsciiOutput << "\n";
}
}
p_pszESSXml字符串是:
<ESS><Message>This is a test message...</Message></ESS>
XSLT是:
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl">
<xsl:output method="text" indent="yes"/>
<xsl:template match="ESS">
<xsl:apply-templates select="Message"/>
</xsl:template>
<xsl:template match="Message">
<xsl:value-of select="."/>
</xsl:template>
</xsl:stylesheet>
答案 0 :(得分:0)
修正了它。
重新分配m_pXslt等于XML本应该验证。
有人一直在复制和粘贴。