string转UT8字符串

最新推荐文章于 2023-01-17 13:03:14 发布

u010658190

最新推荐文章于 2023-01-17 13:03:14 发布

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//string转UT8字符串
wchar_t* AnsiToUnicode(const char* szStr)
{
	int nLen = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szStr, -1, NULL, 0);
	if (nLen == 0)
	{
		return NULL;
	}
	wchar_t* pResult = new wchar_t[nLen];
	MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, szStr, -1, pResult, nLen);
	return pResult;
}
char* UnicodeToUtf8(const wchar_t* unicode)
{
	int len;
	len = WideCharToMultiByte(CP_UTF8, 0, unicode, -1, NULL, 0, NULL, NULL);
	char *szUtf8 = (char*)malloc(len + 1);
	memset(szUtf8, 0, len + 1);
	WideCharToMultiByte(CP_UTF8, 0, unicode, -1, szUtf8, len, NULL, NULL);
	return szUtf8;
}

char* CharToUtf(std::string a)
{
	char *p = (char*)a.data();
	wchar_t* s = AnsiToUnicode(p);
	char* z = UnicodeToUtf8(s);
	return z;

}