c/c++中string 与 wstring的相关转换

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

#include <cstdlib> #include <string.h> #include <string> // wstring => string std::string WString2String(const std::wstring& ws) {     std::string strLocale = setlocale(LC_ALL, "");     const wchar_t* wchSrc = ws.c_str();     size_t nDestSize = wcstombs(NULL, wchSrc, 0) + 1;     char *chDest = new char[nDestSize];     memset(chDest,0,nDestSize);     wcstombs(chDest,wchSrc,nDestSize);     std::string strResult = chDest;     delete []chDest;     setlocale(LC_ALL, strLocale.c_str());     return strResult; } // string => wstring std::wstring String2WString(const std::string& s) {     std::string strLocale = setlocale(LC_ALL, "");     const char* chSrc = s.c_str();     size_t nDestSize = mbstowcs(NULL, chSrc, 0) + 1;     wchar_t* wchDest = new wchar_t[nDestSize];     wmemset(wchDest, 0, nDestSize);     mbstowcs(wchDest,chSrc,nDestSize);     std::wstring wstrResult = wchDest;     delete []wchDest;     setlocale(LC_ALL, strLocale.c_str());     return wstrResult; }