wstring转string,string转wstring

wstring转string

	// 使用CRT库的wcstombs()函数将wstring转string,平台无关,需设定locale,这种方法可以兼容中文
	string WString2String(wstring& ws)
	{
		string curLocale = setlocale(LC_ALL, NULL);
		setlocale(LC_ALL, "chs");

		const wchar_t *_Source = ws.c_str();
		size_t _Dsize = 2 * ws.size() + 1;
		char *_Dest = new char[_Dsize];
		memset(_Dest, 0, _Dsize);
		wcstombs(_Dest, _Source, _Dsize);

		string result = _Dest;
		delete[] _Dest;

		setlocale(LC_ALL, curLocale.c_str());
		return result;
	}

string转wstring

	wstring String2WString(string& s)
	{
		setlocale(LC_ALL, "chs");

		const char* _Source = s.c_str();
		size_t _Dsize = s.size() + 1;
		wchar_t *_Dest = new wchar_t[_Dsize];
		wmemset(_Dest, 0, _Dsize);
		mbstowcs(_Dest, _Source, _Dsize);

		wstring result = _Dest;
		delete[]_Dest;

		setlocale(LC_ALL, "C");
		return result;
	}


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