GB2312 与 UTF8 互转

来源：互联网发布：helloworld代码java 编辑：程序博客网时间：2024/05/16 14:41

CString CMyTools::G2U(CString gb2312)
{
   int len = MultiByteToWideChar(CP_ACP, 0, gb2312, -1, NULL, 0);
   wchar_t* wstr = new wchar_t[len+1];
   memset(wstr, 0, len+1);
   MultiByteToWideChar(CP_ACP, 0, gb2312, -1, wstr, len);
   len = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
   char* str = new char[len+1];
   memset(str, 0, len+1);
   WideCharToMultiByte(CP_UTF8, 0, wstr, -1, str, len, NULL, NULL);
   if(wstr) delete[] wstr;
   return str;
}

CString CMyTools::U2G(CString utf8)
{
   int len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
   wchar_t* wstr = new wchar_t[len+1];
   memset(wstr, 0, len+1);
   MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wstr, len);
   len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
   char* str = new char[len+1];
   memset(str, 0, len+1);
   WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);
   if(wstr) delete[] wstr;
   return str;
}