湖南电信登陆验证码,识别率99%,使用VC调用

typedef int (* TypeInitKeyCode)();
typedef int (* TypeFreeKeyCode)(int idx);
typedef int (* TypeGetCodeResult)(char *filename,char *outBuffer,int idx);

TypeInitKeyCode InitKeyCode;
TypeFreeKeyCode FreeKeyCode;
TypeGetCodeResult GetCodeResult;

// CVCDemo_DLLDlg 消息处理程序

BOOL CVCDemo_DLLDlg::OnInitDialog()
{
 CDialog::OnInitDialog();

 // 将“关于...”菜单项添加到系统菜单中。

 // IDM_ABOUTBOX 必须在系统命令范围内。
 ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
 ASSERT(IDM_ABOUTBOX < 0xF000);

 CMenu* pSysMenu = GetSystemMenu(FALSE);
 if (pSysMenu != NULL)
 {
  CString strAboutMenu;
  strAboutMenu.LoadString(IDS_ABOUTBOX);
  if (!strAboutMenu.IsEmpty())
  {
   pSysMenu->AppendMenu(MF_SEPARATOR);
   pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
  }
 }

 // 设置此对话框的图标。当应用程序主窗口不是对话框时，框架将自动
 //  执行此操作
 SetIcon(m_hIcon, TRUE);   // 设置大图标
 SetIcon(m_hIcon, FALSE);  // 设置小图标

 HINSTANCE hInst = LoadLibraryA("www.zfuwen.com.KeyCodeDll.dll");//载入www.zfuwen.com.KeyCodeDll.dll
 if (!hInst)
 {
  MessageBox(_T("无法加载www.zfuwen.com.KeyCodeDll.dll,请检查路径是否正确!"));
  return 0;
 }
 
 InitKeyCode = (TypeInitKeyCode)GetProcAddress(hInst, "www_zfuwen_com_QQ_251578917_InitKeyCode");
 FreeKeyCode = (TypeFreeKeyCode)GetProcAddress(hInst, "www_zfuwen_com_QQ_251578917_FreeKeyCode");
 GetCodeResult = (TypeGetCodeResult)GetProcAddress(hInst, "www_zfuwen_com_QQ_251578917_GetCodeResult");
 

 m_KeyIdx=InitKeyCode();
 SetDlgItemText(IDC_INPUTFILE,_T("c:\\1.bmp"));

 return TRUE;  // 除非将焦点设置到控件，否则返回 TRUE
}

void CVCDemo_DLLDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
 if ((nID & 0xFFF0) == IDM_ABOUTBOX)
 {
  CAboutDlg dlgAbout;
  dlgAbout.DoModal();
 }
 else
 {
  CDialog::OnSysCommand(nID, lParam);
 }
}

void CVCDemo_DLLDlg::OnBnClickedTest()
{
 if(m_KeyIdx>=0)
 {
  CString filename;
  GetDlgItemText(IDC_INPUTFILE,filename);
  DWORD nStartTick=::GetTickCount();
  char outBuffer[100];
  memset(outBuffer,0,100);
  _bstr_t item=_bstr_t(filename);
  int retCount=GetCodeResult((char *)item,outBuffer,m_KeyIdx);
  DWORD nEndTick=::GetTickCount();
  CString showMsg;
  _bstr_t CodeText="";
  CodeText=CodeText+"识别结果:"+outBuffer;
  showMsg.Format(_T(",时间:%d,当前时间:%d"),nEndTick-nStartTick,nEndTick);
  CodeText=CodeText+showMsg;
  //MessageBox(res,"识别结果");
  SetDlgItemText(IDC_RESCODE,CodeText);
 }
}