http://blog.sina.com.cn/s/blog_5cf500730100e57o.html
#include <string>
std::string ws2s(const std::wstring& ws)
{
std::string curLocale = setlocale(LC_ALL, NULL); // curLocale = "C";
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);
std::string result = _Dest;
delete []_Dest;
setlocale(LC_ALL, curLocale.c_str());
return result;
}
std::wstring s2ws(const std::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);
std::wstring result = _Dest;
delete []_Dest;
setlocale(LC_ALL, "C");
return result;
}
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