std::string WString2String(const std::wstring& wstr){
	std::string curLocale = setlocale(LC_ALL, NULL);
	setlocale(LC_ALL, "chs");
	const wchar_t* _Source = wstr.c_str();
	size_t _Dsize = 2 * wstr.size() + 1;
	char *_Dest = new char[_Dsize];
	memset(_Dest, 0, _Dsize);
	wcstombs(_Dest, _Source, _Dsize);
	std::string result = _Dest;
	delete[]_Dest;
	setlocale(LC_ALL, curLocale.c_str());
	return result;
}

std::wstring String2WString(const std::string& mbs) {
	setlocale(LC_ALL, "chs");
	const char* _Source = mbs.c_str();
	size_t _Dsize = mbs.size() + 1;
	wchar_t *_Dest = new wchar_t[_Dsize];
	wmemset(_Dest, 0, _Dsize);
	mbstowcs(_Dest, _Source, _Dsize);
	std::wstring result = _Dest;
	delete[]_Dest;
	setlocale(LC_ALL, "C");
	return result;
}