TinyXml 保存文件乱码

UTF-8的格式标志其实就是文件头的三个字节：0xEF，0xBB，0xBF
用UltraEdit打开这个xml，UltraEdit就把它认为是一个UTF-8的文本文件了



打开UTF8 的xml文件需要使用转换函数WideCharToMultiByte和MultiByteToWideChar

void ConvertUtf8ToGBK(CString& strUtf8)
{
int len = MultiByteToWideChar(CP_UTF8, 0, (LPCTSTR)strUtf8.GetBuffer(), -1, NULL, 0);
wchar_t * wszGBK = new wchar_t[len + 1];
memset(wszGBK, 0, len * 2 + 2);
MultiByteToWideChar(CP_UTF8, 0, (LPCTSTR)strUtf8.GetBuffer(), -1, wszGBK, len);

len = WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, NULL, 0, NULL, NULL);
char *szGBK = new char[len + 1];
memset(szGBK, 0, len + 1);
WideCharToMultiByte(CP_ACP, 0, wszGBK, -1, szGBK, len, NULL, NULL);

strUtf8 = szGBK;
delete[] szGBK;
delete[] wszGBK;
}

写UTF8文件:
在tinyxml.cpp文件中搜索“useMicrosoftBOM”，把“useMicrosoftBOM = false;”这个语句改为“useMicrosoftBOM = true;”就可以了 ----测试不行。

void CDuiFrameWnd::ConvertGBKToUtf8(CString& strGBK)
{
int len = MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)strGBK.GetBuffer(), -1, NULL, 0);
wchar_t * wszGBK = new wchar_t[len + 1];
memset(wszGBK, 0, len * 2 + 2);
MultiByteToWideChar(CP_ACP, 0, (LPCTSTR)strGBK.GetBuffer(), -1, wszGBK, len);
len = WideCharToMultiByte(CP_UTF8, 0, wszGBK, -1, NULL, 0, NULL, NULL);
char *szGBK = new char[len + 1];
memset(szGBK, 0, len + 1);
WideCharToMultiByte(CP_UTF8, 0, wszGBK, -1, szGBK, len, NULL, NULL);
strGBK = szGBK;
delete[] szGBK;
delete[] wszGBK;
}
写入正常显示中文