字符集转换: Ansi - Unicode

字符集转换: Ansi - Unicode

 wstring AnsiToUnicode (const string& strSrc )

 {

     /*!< 分配目标空间 */

     int iAllocSize = MultiByteToWideChar(CP_ACP,,strSrc.c_str(),-,NULL,NULL);

     WCHAR* pwszBuffer = new WCHAR[ (UINT)iAllocSize ];

     if ( NULL == pwszBuffer )

     {

         return L"";

     }

     int iCharsRet = MultiByteToWideChar( CP_ACP, , strSrc.c_str(),-,pwszBuffer, iAllocSize );

     /*!< 成功 */

     wstring wstrRet;

     if (  < iCharsRet )

     {

         (void)wstrRet.assign ( pwszBuffer, static_cast<size_t>( iCharsRet ) );

     }

     /*!< 释放内存 */

     delete[] pwszBuffer;

     return wstrRet;

 }