Question

求网站抽奖代码

Answer 1

在定义函数时有时在语句前，有的在语句后。
希望能帮到你！
// giftDlg.h : header file
//
#if !defined
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// CGiftDlg dialog

class CGiftDlg : public CDialog
{
// Construction
public:
int FreeMem();
int ReSetData();
int InitData(); //初始化数组
CGiftDlg(CWnd* pParent = NULL); // standard constructor
char *code[1000];//指向身份证号数组的指针
char *name[1000];//指向姓名数组的指针
char data[1000]; //随机数组
int ptr; //进度条当前指向随机数组的指针
int totalid; //参加抽奖的id总数，如果抽出一个，自减1
bool bstart; //标记进度条是否在滚动

// Dialog Data
//{{AFX_DATA(CGiftDlg)
enum ;
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()
};

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

#endif // !defined(AFX_GIFTDLG_H__21D8D4EF_07F4_4F29_9351_78F99BFF7723__INCLUDED_)
// 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 ("按开始键开始滚动,抽奖箱中人数：%d",totalid);
UpdateData(FALSE);
return TRUE; // return TRUE unless you set the focus to a control
}
// 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 ("按开始键开始滚动,抽奖箱中人数：%d",totalid-1);
m_code.Format ("抽出的号码：%s\n姓名：%s",code[data[ptr]],name[data[ptr]]);
//AfxMessageBox(m_code);
ReSetData();//剔除抽出的号码,重新打乱
if(totalid<1)
{
m_btgo.EnableWindow (FALSE);
}
m_btgo.SetWindowText ("开始");
}
else
{
SetTimer(1, 100,NULL);
bstart=true;
m_msg.Format ("按停止键抽一个奖");
m_btgo.SetWindowText ("停止");
}
UpdateData(FALSE);
//CDialog::OnOK();
}

void CGiftDlg::OnTimer(UINT nIDEvent)
{
// TODO: Add your message handler code here and/or call default
m_code.Format ("现在的号码：%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剔除,与最后一个交换,然后释放内存
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++)//重新打乱
{
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,章鱼
110103198511110453,李光
21010119541201045X,周瑜
320304780102066,韩信
442601771212061,沈兵
510103198511110453,宏志
220101841201045X,范进
520304197801020661,曾国
352601771212088,乱马
540122198511110453,贾海