用c语言编写一个简易的抽奖程序，

用data.txt文件保存以下内容：

13725528132 李桂荣

13725528131 李二来

13725528133 张荣刚

13725528130 荣南

13725528137 王三

13725528138 吴立

13725528139 郭德纲

13725528140 周星驰

13725528141 张曼玉

13725528142 张艺谋

13725528152 秦香莲

13725528162 潘金莲

13725528172 李大嘴

13725528182 展堂

//源代码如下

#include <stdio.h>

#include <stdlib.h>

#include <time.h>

#define MAX_NUM 9999

//定义保存人名和电话的数据结构

struct Person

{

char name[20]

char telno[15]

char award

}

int num = 0//统计人数

FILE *fp//文件指针

Person persons[MAX_NUM]//定义数组

int awarder_1[1] = {-1}//一等奖

int awarder_2[2] = {-1, -1}/弊让毁/二等奖

int awarder_3[5] = {-1, -1, -1, -1, -1}//三等奖

//读取文件

void readdata()

{

int i = 0//数组下标

Person person

//文件打开

fp = fopen("data.txt", "r")

if (fp == NULL)

{

printf("打开文件data.txt失败!\n")

return

}

//当文件不为空

while (!feof(fp))

{

num ++

fscanf(fp, "%s", person.telno)

fscanf(fp, "%s", person.name)

person.award = 'F'

persons[i++] = person

}

}

//初始化标识

void init()

{

for(int i = 0i <numi++)

{

persons[i].award = 'F'

}

}

//显示单个中奖信息

void info( int i)

{

printf("手机号码: %s 姓名: %s\n", persons[i].telno, persons[i].name)

}

void main()

{

char again = 'Y'

//读取文件

readdata()

printf("简单抽奖程序\n")

srand((long)time(0))

while(again == 'Y' || again == 'y')

{

//初始化标识

init()

printf("\n开始抽第一等奖(1名)，按任意键开始...\n")

getchar()

awarder_1[0] = abs(rand() % num)

while (persons[awarder_1[0]].award == 'T')

{

awarder_1[0] = rand() % num

}

persons[awarder_1[0]].award = 'T'

info(awarder_1[0])

printf("\n开始抽第二等奖(2名)\n")

for (int i = 0i <2i++)

{

printf("\n第%d个二等奖,按任意键开始...\n", i+1)

getchar()

awarder_2[i] = rand() % num

while (persons[awarder_2[i]].award == 'T'滑缓)

{

awarder_2[i] = rand() % num

}

persons[awarder_2[i]].award = 'T'

info(awarder_2[i])

}

printf("\n\n开始抽第三租备等奖(5名)\n")

for (i = 0i <5i++)

{

printf("\n第%d个三等奖,按任意键开始...\n", i + 1)

getchar()

awarder_3[i] = rand() % num

while (persons[awarder_3[i]].award == 'T')

{

awarder_3[i] = rand() % num

}

persons[awarder_3[i]].award = 'T'

info(awarder_3[i])

}

printf("\n是否重新开始抽奖?(Y or N)...\n")

again = getchar()

}

getchar()

return

}

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

{

/喊毁/ 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z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//参加郑拦备抽奖的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 { 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_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*/衡拍)

: 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=0i<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=0j<linej++)

{

data[j]=j

}

for(int i=0i<linei++)

{

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=0i<linei++)//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=0i<linei++)

{

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

import java.util.Scanner

public class ChouJiang {

public static void main(String[] args) {

System.out.println("我行我素购物管理系统>幸运抽奖")

System.out.println("")

System.out.println("")

Scanner input=new Scanner(System.in)

System.out.print("请输入四位会员号：")

int hyh=input.nextInt()

int q,b,s,g,sum

q=hyh/1000

b=hyh/100%10

s=hyh/孙正10%10

g=hyh%10

sum=q+b+s+g

if(sum>=23)

{

System.out.println(hyh+"是幸运客户，获精美MP3一台枝凯袜！"猛激)

}else

{

System.out.println(hyh+"谢谢您的支持！")

}

}

}

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