cByte[0]=0x1b;  cByte[1]=0x72;//114  cByte[2]=0x73;  cByte[3]=0x01;//注意长度为两个数  cByte[4]=0x21;//289//92//0121  cByte[5]=0x89;  cByte[6]=0x02;   all[0]+=cByte[3]+cByte[4]+cByte[5]+cByte[6];//加四个,因为长度0X01容易被忽略    ////////////////第一个指纹不需要校验和  for(int i=0 ,j=7;j<150;i=i+2,j++)//i为字符串第几个截取的INDEX,j为第几个特征,最后一个是检验和  {//572   temp=s.Mid(i,2);   cByte[j]=CStringTo16byte(temp);   all[0]+=cByte[j];  }  ////////////////   for(int i1=286, j1=150;j1<293;i1=i1+2,j1++)//i为字符串第几个截取的INDEX,j为第几个特征,最后一个是检验和  {   temp=s.Mid(i1,2);    cByte[j1]=CStringTo16byte(temp);   all[0]+=cByte[j1];  }  cByte[293]=all[0];   ////////////////   DWORD  dwWriteCount     =   0;  DWORD  dwReadCount      =   0;  DWORD  dwCommStatus;    SetCommMask (handle, EV_TXEMPTY);  if(handle!=NULL)   WriteFile(handle,cByte,294, &dwWriteCount, 0);   WaitCommEvent( handle,   &dwCommStatus,   NULL   );   if((dwCommStatus & EV_TXEMPTY) == EV_TXEMPTY)//  {   ReadFile(handle,cGetByte, 8, &dwReadCount, NULL);    str.Format(_T("%02x %02x %02x %02x %02x %02x %02x %02x") , cGetByte[0] , cGetByte[1] ,    cGetByte[2] , cGetByte[3] , cGetByte[4] , cGetByte[5] , cGetByte[6] , cGetByte[7]);  }   while(true)  {   if(str == CString("1b 72 73 00 03 89 00 8c"))   {    MessageBox(NULL,"您已通过验证.","指纹验证",NULL);    break;   }    if(str == CString("1b 72 73 00 03 89 32 be"))   {    MessageBox(NULL,"请用登记过的手指验证.","验证失败",MB_ICONHAND);    break;   }

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