利用 WideCharToMultiByte MultiByteToWideChar 轉換 string wstring

利用 WideCharToMultiByte MultiByteToWideChar 轉換 string wstring

#include <iostream>
#include <string>
#include <windows.h>
using namespace std;
//Converting a WChar string to a Ansi string
string wcs2mbs(const wchar_t *pwcsSrc) {
  int nLen = WideCharToMultiByte(CP_ACP, 0, pwcsSrc, -1, 0, 0, 0, 0);
  if(nLen <= 0) {
    return string("");
  }
  char *pmbsDst = new char[nLen]();
  if(0 == pmbsDst) {
    return string("");
  }
  WideCharToMultiByte(CP_ACP, 0, pwcsSrc, -1, pmbsDst, nLen, 0, 0);
  pmbsDst[nLen - 1] = 0;
  string strTemp(pmbsDst);
  delete [] pmbsDst;
  return strTemp;
}
//Converting a Ansi string to WChar string
wstring mbs2wcs(const char *pmbsSrc) {
  int nLen = MultiByteToWideChar(CP_ACP, 0, pmbsSrc, -1, 0, 0);
  if(nLen <= 0) {
    return wstring(L"");
  }
  wchar_t *pwcsDst = new wchar_t[nLen]();
  if(0 == pwcsDst) {
    return wstring(L"");
  }
  MultiByteToWideChar(CP_ACP, 0, pmbsSrc, -1, pwcsDst, nLen);
  pwcsDst[nLen - 1] = 0;
  wstring wcharString(pwcsDst);
  delete pwcsDst;
  return wcharString;
}
int main(int argc, char *argv[]) {
  string mymbs(wcs2mbs(L"chrisdar的程式設計筆記"));
  cout << mymbs << endl;
  wstring mywcs(mbs2wcs("chrisdar的程式設計筆記"));
  wcout.imbue(locale("cht"));
  wcout << mywcs << endl;
  wcout.imbue(locale());
  system("pause");
  return EXIT_SUCCESS;
}