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VB程序做随机抽奖

99rr • 2023-4-28 • CMS教程 • 阅读 5

VB程序做随机抽奖,第1张

Private Sub Command1_Click()

Randomize

Label1Caption = Fix(Rnd 10)

Label2Caption = Fix(Rnd 10)

Label3Caption = Fix(Rnd 10)

LabelshuziCaption = Fix(Rnd 10)

If Label1Caption = LabelshuziCaption Or

Label2Caption = LabelshuziCaption Or

Label3Caption =LabelshuziCaption Then

Image1Visible = True

Else

Image1Visible = False

End If

End Sub

注：此段代码可以实现自动选出三个号 Label1 Label2 Label3为选出的三个号

效果是可以，代码有些繁琐。如果要改进，自己写函数吧。

代码如下。

Dim NameStr As String

Private Sub Command2_Click()

Command2Caption = IIf(Command2Caption = "开始", "停止", "开始")

Dim NameArr() As String

NameArr() = Split(NameStr, ",")

Randomize

Do While Command2Caption = "停止"

Label2Caption = NameArr(Rnd UBound(NameArr))

t = Timer

Do: DoEvents

Loop Until Timer > t + 005

Loop

NameStr = Replace(NameStr, Label2Caption, "")

NameStr = Replace(NameStr, ",,", ",")

End Sub

Private Sub Command3_Click()

Command3Caption = IIf(Command3Caption = "开始", "停止", "开始")

Dim NameArr() As String

NameArr() = Split(NameStr, ",")

Randomize

Do While Command3Caption = "停止"

Label3Caption = NameArr(Rnd UBound(NameArr))

t = Timer

Do: DoEvents

Loop Until Timer > t + 005

Loop

NameStr = Replace(NameStr, Label3Caption, "")

NameStr = Replace(NameStr, ",,", ",")

End Sub

Private Sub Command4_Click()

Command4Caption = IIf(Command4Caption = "开始", "停止", "开始")

Dim NameArr() As String

NameArr() = Split(NameStr, ",")

Randomize

Do While Command4Caption = "停止"

Label4Caption = NameArr(Rnd UBound(NameArr))

t = Timer

Do: DoEvents

Loop Until Timer > t + 005

Loop

NameStr = Replace(NameStr, Label4Caption, "")

NameStr = Replace(NameStr, ",,", ",")

End Sub

Private Sub Form_Load()

Command2Caption = "开始"

Command3Caption = "开始"

Command4Caption = "开始"

NameStr = "赵一,钱二,孙三,李四,周五,吴六,郑七,王九"

End Sub

Dim n As Integer

Dim a()

Private Sub Command1_Click()

    If n = 0 Then            '第一次点击时执行

        m = Val(Text1)

        ReDim a(1 To m)

        For i = 1 To m      '生成数组a，元素为1至m这m个数

            a(i) = i

        Next

        For i = 1 To m - 1             '随机打乱数组a中元素

            r = Int(Rnd  m + 1)

            tmp = a(i)

            a(i) = a(r)

            a(r) = tmp

        Next

    End If

    n = n + 1                 '计数点击次数

    If n > Val(Text1) Then    '次数超过指定次数，抽奖结束

        MsgBox "抽奖结束！"

        Exit Sub

    End If

    Text2 = a(n)              '从数组中抽出第n个数，由于数组中是随机排列，所以相当于生成一个随机数，并且不会重复

End Sub

设置奖卷号码位数，比如6位

Private Sub Command1_Click()

If Len(Text1Text) <> 6 Then MsgBox "奖卷号码错误！": Exit Sub

s = ""

For i = 0 To 5

s = Int((10)  Rnd)

DoEvents

ss = ss & s

Next

Text2Text = ss

If Text2Text = Text1Text Then

Label1Caption = "恭喜，你中奖了"

Else

Label1Caption = "谢谢你的参与"

End If

End Sub

Private Sub Form_Load()

Text1Text = ""

Text2Text = ""

End Sub

说几点编程建议给你就行了。

定义一个模块级的整数变量

1、首先获得数据中的人名个数。将这个数赋给变量

2、定义一个数组。数组上限数为人名数量，

3、用Randomize 来防止重复人名

4、下面的是按空格运行，回车停止

如果你的窗体上没有什么按钮和文本框等能得到焦点的控件就将下面的代码放在窗体的Form_KeyUp（）过程中。否则就每个能得到焦点的控件中都要放。

If KeyCode = 13 Then'回车键

MsgBox "Stop"

ElseIf KeyCode = 32 Then'空格键

MsgBox "run"

End If

Private Sub Command1_Click()

Timer1Enabled = Not Timer1Enabled

End Sub

Private Sub Form_Load()

Timer1Interval = 20

Timer1Enabled = False

Label1FontSize = 80

Label1Caption = ""

End Sub

Private Sub Timer1_Timer()

Randomize

Dim n As Integer

Label1Caption = Format(1 + 100 Rnd(), "000")

End Sub

在定义函数时有时在语句前，有的在语句后。

希望能帮到你！

// giftDlgh : 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_)

// giftDlgcpp : implementation file

//

#include "stdafxh"

#include "gifth"

#include "giftDlgh"

#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_msgFormat ("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_msgFormat ("按开始键开始滚动,抽奖箱中人数：%d",totalid-1);

m_codeFormat ("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_btgoEnableWindow (FALSE);

}

m_btgoSetWindowText ("开始");

}

else

{

SetTimer(1, 100,NULL);

bstart=true;

m_msgFormat ("按停止键抽一个奖");

m_btgoSetWindowText ("停止");

}

UpdateData(FALSE);

//CDialog::OnOK();

}

void CGiftDlg::OnTimer(UINT nIDEvent)

{

// TODO: Add your message handler code here and/or call default

m_codeFormat ("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("idtxt","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();

}

idtxt

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

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