把XSD转换为XML以方便阅读
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简介：
本教程介绍如何将复杂的XSD文件转化为易于理解的XML格式，帮助用户更直观地阅读和分析XSD文档结构。
从XSD转换为XML的过程非常实用。以下是相关的类定义：
```cpp
class CSaxContentHandler : public ISAXContentHandler {
public:
CSaxContentHandler();
virtual ~CSaxContentHandler();
virtual long __stdcall QueryInterface(const struct _GUID &, void **);
virtual unsigned long __stdcall AddRef(void);
virtual unsigned long __stdcall Release(void);
virtual HRESULT STDMETHODCALLTYPE putDocumentLocator(ISAXLocator *pLocator);
virtual HRESULT STDMETHODCALLTYPE startDocument(void);
virtual HRESULT STDMETHODCALLTYPE endDocument(void);
virtual HRESULT STDMETHODCALLTYPE startPrefixMapping(wchar_t *pwchPrefix, int cchPrefix, wchar_t *pwchUri, int cchUri);
virtual HRESULT STDMETHODCALLTYPE endPrefixMapping(wchar_t *pwchPrefix, int cchPrefix);
virtual HRESULT STDMETHODCALLTYPE startElement(wchar_t *pwchNamespaceUri, int cchNamespaceUri, wchar_t *pwchLocalName, int cchLocalName, wchar_t *pwchRawName, int cchRawName, ISAXAttributes *pAttributes);
virtual HRESULT STDMETHODCALLTYPE endElement(wchar_t *pwchNamespaceUri, int cchNamespaceUri, wchar_t *pwchLocalName, int cchLocalName, wchar_t *pwchRawName, int cchRawName);
virtual HRESULT STDMETHODCALLTYPE characters(wchar_t *pwchChars, int cchChars);
virtual HRESULT STDMETHODCALLTYPE ignorableWhitespace(wchar_t *pwchChars, int cchChars);
virtual HRESULT STDMETHODCALLTYPE processingInstruction(wchar_t *pwchTarget, int cchTarget, wchar_t *pwchData, int cchData);
virtual HRESULT STDMETHODCALLTYPE skippedEntity(wchar_t *pwchName, int cchName);
void AttachElementHandler(IXmlElementHandler* pElementHandler);
void AttachElementHandler(IWXmlElementHandler* pWElementHandler);
void DetachElementHandler();
private:
int m_depth;
IXmlElementHandler* m_attachElementHandler;
IWXmlElementHandler* m_attachWElementHandler;
};
```
该类定义包括了一系列的虚函数，用于处理XML解析过程中的各种事件。这些方法能够帮助开发者更好地控制和管理从XSD转换到XML的过程，并且提供了附加元素处理器的功能来扩展其功能。
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