【转载】实现UTF8与GB2312编码格式相互转换(VC)已经验证！

UTF-8编码:[1,1,1,0,A5,A6,A7,A8],[1,0,B3,B4,B5,B6,B7,B8],[1,0,C3,C4,C5,C6,C7,C8];对应的UNICODE编码：[A5,A6,A7,A8,B3,B4,B5,B6],[B7,B8,C3,C4,C5,C6,C7,C8]CString
LogInDlg::GB2312ToUTF8(char
*str)
{
 CString
result;
 WCHAR *strSrc = NULL;
 TCHAR
*szRes = NULL;
 int
i;
 
 //GB2312转换成Unicode
  i
= MultiByteToWideChar(CP_ACP, 0, str, -1, NULL,
0);
  strSrc = new
WCHAR[i+1];
  MultiByteToWideChar(CP_ACP, 0, str, -1,
strSrc,
i);
 
 //Unicode转换成UTF8
 i
= WideCharToMultiByte(CP_UTF8, 0, strSrc, -1, NULL, 0, NULL,
NULL);
 szRes = new
TCHAR[i+1];
 WideCharToMultiByte(CP_UTF8, 0, strSrc, -1,
szRes, i, NULL, NULL);
 
 result =
szRes;
 if (strSrc !=
NULL)
 {
  delete
[]strSrc;
  strSrc =
NULL;
 }
 if (szRes !=
NULL)
 {
  delete
[]szRes;
  szRes =
NULL;
 }
 
 return
result;
}CString LogInDlg::UTF8ToGB2312(char
*str)
{
 CString
result;
 WCHAR *strSrc = NULL;
 TCHAR
*szRes = NULL;
 int
i;
 
 //
UTF8转换成Unicode
 i = MultiByteToWideChar(CP_UTF8, 0, str,
-1, NULL, 0);
 strSrc = new
WCHAR[i+1];
 MultiByteToWideChar(CP_UTF8, 0, str, -1,
strSrc, i);
 
 //
Unicode转换成GB2312
 i = WideCharToMultiByte(CP_ACP, 0,
strSrc, -1, NULL, 0, NULL, NULL);
 szRes = new
TCHAR[i+1];
 WideCharToMultiByte(CP_ACP, 0, strSrc, -1,
szRes, i, NULL, NULL);
 
 result =
szRes;
 if (strSrc !=
NULL)
 {
  delete
[]strSrc;
  strSrc =
NULL;
 }
 if (szRes !=
NULL)
 {
  delete
[]szRes;
  szRes =
NULL;
 }
 
 return
result;
}

参考网址：

http://www.codeproject.com/KB/string/UTF8.aspx

【转载】实现UTF8与GB2312编码格式相互转换(VC)已经验证！,码迷,mamicode.com