checkin.cpp

DOS下一个完整的大型程序源代码

#if !defined( __STRING_H )
#include <String.h>
#endif  // __STRING_H

#define Uses_DBase
#define Uses_Window
#define Uses_Field
#define Uses_Button
#include <ly.h>

#include "sj.h"
#include "sjdbf.h"

const
   getWinLeft       = 195,
   getWinTop        = 153,
   getWinWidth      = 250,
   getWinDeapth     = 164,

   tytleWidth       = 50,
   fieldWidth       = 175,

   ttDutyNumLeft    = getWinLeft + 12,
   ttDutyNumTop     = getWinTop + 46,
   fdDutyNumLeft    = ttDutyNumLeft + tytleWidth,
   fdDutyNumTop     = ttDutyNumTop - 4,
   fdDutyNumWidth   = fieldWidth,

   ttPasswordLeft   = ttDutyNumLeft,
   ttPasswordTop    = fdDutyNumTop + 40,
   fdPasswordLeft   = ttPasswordLeft + tytleWidth,
   fdPasswordTop    = ttPasswordTop - 4,
   fdPasswordWidth  = fieldWidth,

   buttonSpace      = 12,
   buttonTop        = fdPasswordTop + 38,

   btnOkLeft        = getWinLeft + buttonSpace,
   btnOkTop         = buttonTop,
   btnCancelLeft    = 320 - 35,
   btnCancelTop     = buttonTop,
   btnHelpLeft      = getWinLeft + getWinWidth - 70 - buttonSpace,
   btnHelpTop       = buttonTop;

static char *szHelp[] =
{
   "■收款员操作前必须输入正确的工号和 ",
   "  密码                             ",
   "■工号最多为４位数                 ",
   "  密码最多为６个字母，大小写均可   ",
   "■工号和密码输完后Enter或选择〔对〕",
   NULL
};

BOOL SJ::CheckIn()
{
   Window *getWin = new Window( getWinTop, getWinWidth, getWinDeapth, "请输入工号和密码" );

   getWin->DrawTytle( ttDutyNumLeft, ttDutyNumTop, "工号", 'G' );
   char szDuty[ flDuty + 1 ];
   memset( szDuty, ' ', flDuty );
   szDuty[ flDuty ] = 0;
   Field *fdDutyNum = new Field( fdDutyNumLeft, fdDutyNumTop, fdDutyNumWidth, szDuty, flDuty );

   getWin->DrawTytle( ttPasswordLeft, ttPasswordTop, "密码", 'M' );
   char szPassword[ flPassword + 1 ];
   memset( szPassword, ' ', flPassword );
   szPassword[ flPassword ] = 0;
   Field *fdPass = new Field( fdPasswordLeft, fdPasswordTop, fdPasswordWidth,
                              szPassword, flPassword, tpPassword );

   Button *btnOk = new Button( btnOkLeft, btnOkTop, tpOkButton );
   Button *btnCancel = new Button( btnCancelLeft, btnCancelTop, tpCancelButton );
   Button *btnHelp = new Button( btnHelpLeft, btnHelpTop, tpHelpButton );

   getWin->Insert( fdDutyNum, fdPass, btnOk, btnCancel, btnHelp, NULL );

   Event event;
   BOOL bResult = FALSE;
   for(;;)
   {
      while( !GetEvent( event ) );
      getWin->HandleEvent( event );
      if( event.what == evCommand )
      {
         if( event.command == cmOk )
         {
            if( *szDuty != ' ' && *szPassword == ' ' )
            {
               getWin->Reselect( fdPass );
               continue;
            }
            else if( *szDuty == ' ' )
            {
               getWin->Reselect( fdDutyNum );
               continue;
            }
            else if( CheckDuty( szDuty ) && CheckPassword( szPassword ) )
            {
               int nRecNum = dbfDuty->Seek( szDuty );
               if( nRecNum >= 0 )
               {
                  char str[ flPassword ];
                  dbfDuty->GetField( nRecNum, fdPassword, str );
                  TransferPassword( str );
                  if( memcmp( szPassword, str, flPassword ) == 0 )
                  {
                     bResult = TRUE;
                     break;
                  }
                  else ShowError( "密码输错了" );

                  fdPass->Clear();
                  getWin->Reselect( fdPass );
               }
               else
               {
                  ShowError( "没有这个工号" );
                  getWin->Reselect( fdDutyNum );
               }
            }
         }
         else if( event.command == cmCancel ||
                  event.command == cmClose ) break;
         else if( event.command == cmHelp )
         {
            ShowHelp( szHelp );
            getWin->Reselect( fdDutyNum );
         }
      }
   }
   delete getWin;
   if( bResult )
   {
      strcpy( szDutyNum, szDuty );
      ShowDutyNum( szDutyNum );
   }
   return bResult;
}