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// 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_)
// 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=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
5分给你个程序。。。自己参考改吧
<input type="button" value="开始旋转" onclick="spin()" style="float: left" />
<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />
<canvas id="wheelcanvas" width="500" height="500"></canvas>
<script type="application/javascript">
var colors = ["#B8D430", "#3AB745", "#029990", "#3501CB",
"#2E2C75", "#673A7E", "#CC0071", "#F80120",
"#F35B20", "#FB9A00", "#FFCC00", "#FEF200"]
var restaraunts = ["北京", "上海", "天津", "南京",
"杭州", "深圳", "武汉", "济南",
"重庆", "大连", "合肥", "郑洲"]
var startAngle = 0
var arc = Math.PI / 6
var spinTimeout = null
var spinArcStart = 10
var spinTime = 0
var spinTimeTotal = 0
var ctx
function draw() {
drawRouletteWheel()
}
function drawRouletteWheel() {
var canvas = document.getElementById("wheelcanvas")
if (canvas.getContext) {
var outsideRadius = 200
var textRadius = 160
var insideRadius = 125
ctx = canvas.getContext("2d")
ctx.clearRect(0,0,500,500)
ctx.strokeStyle = "black"
ctx.lineWidth = 2
ctx.font = 'bold 12px sans-serif'
for(var i = 0i <12i++) {
var angle = startAngle + i * arc
ctx.fillStyle = colors[i]
ctx.beginPath()
ctx.arc(250, 250, outsideRadius, angle, angle + arc, false)
ctx.arc(250, 250, insideRadius, angle + arc, angle, true)
ctx.stroke()
ctx.fill()
ctx.save()
ctx.shadowOffsetX = -1
ctx.shadowOffsetY = -1
ctx.shadowBlur= 0
ctx.shadowColor = "rgb(220,220,220)"
ctx.fillStyle = "black"
ctx.translate(250 + Math.cos(angle + arc / 2) * textRadius, 250 + Math.sin(angle + arc / 2) * textRadius)
ctx.rotate(angle + arc / 2 + Math.PI / 2)
var text = restaraunts[i]
ctx.fillText(text, -ctx.measureText(text).width / 2, 0)
ctx.restore()
}
//Arrow
ctx.fillStyle = "black"
ctx.beginPath()
ctx.moveTo(250 - 4, 250 - (outsideRadius + 5))
ctx.lineTo(250 + 4, 250 - (outsideRadius + 5))
ctx.lineTo(250 + 4, 250 - (outsideRadius - 5))
ctx.lineTo(250 + 9, 250 - (outsideRadius - 5))
ctx.lineTo(250 + 0, 250 - (outsideRadius - 13))
ctx.lineTo(250 - 9, 250 - (outsideRadius - 5))
ctx.lineTo(250 - 4, 250 - (outsideRadius - 5))
ctx.lineTo(250 - 4, 250 - (outsideRadius + 5))
ctx.fill()
}
}
function spin() {
spinAngleStart = Math.random() * 10 + 10
spinTime = 0
spinTimeTotal = Math.random() * 3 + 4 * 1000
rotateWheel()
}
function rotateWheel() {
spinTime += 30
if(spinTime >= spinTimeTotal) {
stopRotateWheel()
return
}
var spinAngle = spinAngleStart - easeOut(spinTime, 0, spinAngleStart, spinTimeTotal)
startAngle += (spinAngle * Math.PI / 180)
drawRouletteWheel()
spinTimeout = setTimeout('rotateWheel()', 30)
}
function stopRotateWheel() {
clearTimeout(spinTimeout)
var degrees = startAngle * 180 / Math.PI + 90
var arcd = arc * 180 / Math.PI
var index = Math.floor((360 - degrees % 360) / arcd)
ctx.save()
ctx.font = 'bold 30px sans-serif'
var text = restaraunts[index]
ctx.fillText(text, 250 - ctx.measureText(text).width / 2, 250 + 10)
ctx.restore()
}
function easeOut(t, b, c, d) {
var ts = (t/=d)*t
var tc = ts*t
return b+c*(tc + -3*ts + 3*t)
}
draw()
</script>
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