Source code of the identity card number lottery program [VC ++ 6]

// Giftdlg. h: header file
//

# If! Defined (afx_giftdlg_h1_21d8d4ef_07f4_4f29_9351_78f99bff77231_encoded ded _)
# Define afx_giftdlg_h1_21d8d4ef_07f4_4f29_9351_78f99bff77231_encoded _

# If _ msc_ver> 1000
# Pragma once
# Endif // _ msc_ver> 1000

//////////////////////////////////////// /////////////////////////////////////
// Cgiftdlg Dialog

Class cgiftdlg: Public cdialog
{
// Construction
Public:
Int freemem ();
Int resetdata ();
Int initdata (); // initializes the Array
Cgiftdlg (cwnd * pparent = NULL); // standard Constructor
Char * Code [1000]; // pointer to the ID card number Array
Char * name [1000]; // pointer to the name Array
Char data [1000]; // random array
Int PTR; // the pointer of the progress bar pointing to a random array.
Int totalid; // The total number of IDs used for the lottery. If one is selected, the value is reduced by 1.
Bool bstart; // indicates whether the progress bar is rolling.

// Dialog data
// {Afx_data (cgiftdlg)
Enum {IDD = idd_gift_dialog };
Cbutton m_btgo;
Cstring m_code;
Cstring m_msg;
//} Afx_data

// Classwizard generated virtual function overrides
// {Afx_virtual (cgiftdlg)
Protected:
Virtual void dodataexchange (cdataexchange * PDX); // DDX/DDV support
//} Afx_virtual

// Implementation
Protected:
Hicon m_hicon;

// Generated message map Functions
// {Afx_msg (cgiftdlg)
Virtual bool oninitdialog ();
Afx_msg void onpaint ();
Afx_msg hcursor onquerydragicon ();
Virtual void onok ();
Afx_msg void ontimer (uint nidevent );
Afx_msg void oncancelmode ();
Virtual void oncancel ();
//} Afx_msg
Declare_message_map ()
};

// {Afx_insert_location }}
// Microsoft Visual C ++ will insert additional declarations immediately before the previous line.

# Endif //! Defined (afx_giftdlg_h1_21d8d4ef_07f4_4f29_9351_78f99bff77231_encoded ded _)
// Giftdlg. cpp: implementation file
//

# Include "stdafx. H"
# Include "gift. H"
# Include "giftdlg. H"

# Ifdef _ debug
# Define new debug_new
# UNDEF this_file
Static char this_file [] = _ file __;
# Endif

//////////////////////////////////////// /////////////////////////////////////
// Cgiftdlg Dialog

Cgiftdlg: cgiftdlg (cwnd * pparent/* = NULL */)
: Cdialog (cgiftdlg: IDD, pparent)
{
// {Afx_data_init (cgiftdlg)
M_code = _ T ("");
M_msg = _ T ("");
//} Afx_data_init
// Note that loadicon does not require a subsequent destroyicon in Win32
M_hicon = afxgetapp ()-> loadicon (idr_mainframe );
}

Void cgiftdlg: dodataexchange (cdataexchange * PDX)
{
Cdialog: dodataexchange (PDX );
// {Afx_data_map (cgiftdlg)
Ddx_control (PDX, idok, m_btgo );
Ddx_text (PDX, idc_static_code2, m_code );
Ddx_text (PDX, idc_static_msg, m_msg );
//} Afx_data_map
}

Begin_message_map (cgiftdlg, cdialog)
// {Afx_msg_map (cgiftdlg)
On_wm_paint ()
On_wm_querydragicon ()
On_wm_timer ()
On_wm_cancelmode ()
//} Afx_msg_map
End_message_map ()

//////////////////////////////////////// /////////////////////////////////////
// Cgiftdlg message handlers

Bool cgiftdlg: oninitdialog ()
{
Cdialog: oninitdialog ();
Initdata ();
Bstart = false;
// Set the icon for this dialog. The framework does this automatically
// When the application's main window is not a dialog
Seticon (m_hicon, true); // set big icon
Seticon (m_hicon, false); // set small icon
// Todo: add extra initialization here
M_msg.format ("press the START key to start rolling. Number of winners: % d", totalid );
Updatedata (false );
Return true; // return true unless you set the focus to a control
}

// If you add a Minimize button to your dialog, you will need the code below
// To draw the icon. For MFC applications using the document/view model,
// This is automatically done for you by the framework.

Void cgiftdlg: onpaint ()
{
If (isiconic ())
{
Cpaintdc DC (this); // device context for painting

Sendmessage (wm_iconerasebkgnd, (wparam) DC. getsafehdc (), 0 );

// Center icon in client rectangle
Int cxicon = getsystemmetrics (sm_cxicon );
Int cyicon = getsystemmetrics (sm_cyicon );
Crect rect;
Getclientrect (& rect );
Int x = (rect. Width ()-cxicon + 1)/2;
Int y = (rect. Height ()-cyicon + 1)/2;

// Draw the icon
DC. drawicon (X, Y, m_hicon );
}
Else
{
Cdialog: onpaint ();
}
}

// The system callthis to obtain the cursor to display while the user drags
// The minimized window.
Hcursor cgiftdlg: onquerydragicon ()
{
Return (hcursor) m_hicon;
}

Void cgiftdlg: onok ()
{
// Todo: add extra validation here
If (bstart)
{
Killtimer (1 );
Bstart = false;
M_msg.format ("press start to start rolling, lottery box in number: % d", totalid-1 );
M_code.format ("extracted number: % s/n name: % s", code [DATA [PTR], name [DATA [PTR]);
// Afxmessagebox (m_code );
Resetdata (); // remove the number and disrupt it again
If (totalid <1)
{
M_btgo.enablewindow (false );
}
M_btgo.setwindowtext ("START ");
}
Else
{
Settimer (1,100, null );
Bstart = true;
M_msg.format ("select a prize by pressing the stop key ");
M_btgo.setwindowtext ("stop ");
}
Updatedata (false );
// Cdialog: onok ();
}

Void cgiftdlg: ontimer (uint nidevent)
{
// Todo: add your message handler code here and/or call default
M_code.format ("current number: % s", code [DATA [PTR]);
Updatedata (false );
PTR ++;
PTR % = totalid;
Cdialog: ontimer (nidevent );
}

Void cgiftdlg: oncancelmode ()
{
Cdialog: oncancelmode ();
 
// Todo: add your message handler code here
 
}

Int cgiftdlg: initdata ()
{
 
File * fp = fopen ("id.txt", "R ");
PTR = 0;
Totalid = 1;
If (FP = NULL)
{
Return 0;
}
Char Buf [80];
Int line = 0;
While (! Feof (FP ))
{
Char * P = fgets (BUF, 80, FP );
If (P! = NULL)
{
Name [Line] = (char *) malloc (80 );
Code [Line] = (char *) malloc (80 );
Memset (code [Line], 0, 80 );
Memset (name [Line], 0, 80 );

Int flag = 0;
For (INT I = 0; I <80 & Buf [I]! = '/0'; I ++)
{
If (BUF [I]! = ',') & (Flag = 0 ))
{
Code [Line] [I] = Buf [I];
}
Else if (flag = 0)
{
Flag = I;
}
Else if (BUF [I]! = ',') & (Flag! = 0 ))
{
Name [Line] [i-flag-1] = Buf [I];
}
}
Trace ("% s-% s", code [Line], name [Line]);
Memset (BUF, 0, 80 );
Line ++;
}
}
Fclose (FP );
For (Int J = 0; j <line; j ++)
{
Data [J] = J;
}
For (INT I = 0; I <line; I ++)
{
Int Pos = rand () % (line-I) + I;
Int temp = data [I];
Data [I] = data [POS];
Data [POS] = temp;
Trace ("% d", data [I]);
}
Totalid = line;
Return 1;
}

Int cgiftdlg: resetdata ()
{
// PTR removal, swap with the last one, and then release the memory
Int line = totalid;
Int temp = data [PTR];
Data [PTR] = data [Line-1];
Data [Line-1] = temp;
// Afxmessagebox (name [DATA [Line-1]);
Free (code [DATA [Line-1]);
Free (name [DATA [Line-1]);
Totalid --;
Line --;
PTR = 0;
For (INT I = 0; I <line; I ++) // re-disrupt
{
Int Pos = rand () % (line-I) + I;
Int temp = data [I];
Data [I] = data [POS];
Data [POS] = temp;
Trace ("% d", data [I]);
}
 
 
Return 1;
}

Int cgiftdlg: freemem ()
{
Int line = totalid;
For (INT I = 0; I <line; I ++)
{
Free (code [I]);
Free (name [I]);
}
Return 1;
}

Void cgiftdlg: oncancel ()
{
// Todo: add extra cleanup here
Freemem ();
Cdialog: oncancel ();
}
Id.txt
332601771212061, octopus
110103198511110453, Li Guang
21010119541201045x, Zhou Yu
320304780102066, Han Xin
442601771212061, Shen Bing
510103198511110453, Hongzhi
220101841201045x, Fan Jin
520304197801020661 Zeng Guo
352601771212088, Trojan
540122198511110453 Jia Hai