uft8转gb函数

 1 void UTF8ToGB(CString &szOut)
 2 {
 3     WCHAR *strSrc;
 4     TCHAR *szRes;
 5     //长度
 6     int i = MultiByteToWideChar(CP_UTF8, 0, szOut, -1, NULL, 0);
 7     strSrc = new WCHAR[i+1];
 8     MultiByteToWideChar(CP_UTF8, 0, szOut, -1, strSrc, i);
 9     //长度
10     i = WideCharToMultiByte(CP_ACP, 0, strSrc, -1, NULL, 0, NULL, NULL);
11     szRes = new TCHAR[i+1];
12     WideCharToMultiByte(CP_ACP, 0, strSrc, -1, szRes, i, NULL, NULL);
13     szOut = szRes;
14     delete []strSrc;
15     delete []szRes;
16 }