随便写的照片抽奖,过年可以用

源码   .cs

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using System;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Media;
using System.Threading;
using System.Collections.Generic;

///
/// 2014.3  PZ
///
namespace 照片抽奖
{
    public partial class Form1 : Form
    {
        DataSet config = new DataSet();  //用来存config.xml读取出来的参数
        bool is_keypress = true;     //是否按下暂停 
        List<FileInfo> imglist = new List<FileInfo>();  //存放所有图片位置信息
        string winlist = string.Empty;   //中奖名单
        string savlist = string.Empty;   //保存的中奖名单
        SoundPlayer sp;              //声音播放
        DateTime dt;         //时钟
        Thread th;      //抽奖线程
        int random;         //随机抽到的数字
        string savfilename = "lucky.sav";    //结果保存文件

        /// <summary>
        /// 默认参数，config.xml不存在时使用
        /// </summary>
        int Bg_Width = 1024;
        int Bg_Height = 768;
        int Photo_Width = 640;
        int Photo_Height = 426;
        int Photo_Position_X = 179;
        int Photo_Position_Y = 180;
        string Bg_Path = "bg\\bg.jpg";
        string Photo_Path = "photos";
        string Sound_Run_Path = "sounds\\music.wav";
        string Sound_Win_Path = "sounds\\result.wav";
        bool Save_Result = true;
        int Timespan_Keypress = 3;


        public Form1()
        {
            InitializeComponent();

            if (new FileInfo("config.xml").Exists)                //读取config.xml参数，不存在使用上面的默认值
            {
                config.ReadXml("config.xml");
                ReadConfig(config);
            }
            else
            {
                MessageBox.Show("配置文件不存在，使用默认设置执行！");
            }
            this.Width = Bg_Width;                //背景宽
            this.Height = Bg_Height;              //背景高
            this.BackgroundImage = Image.FromFile(Application.StartupPath + "\\" + Bg_Path);  //背景图片

            sp = new SoundPlayer(Sound_Run_Path);
            sp.PlayLooping();                          //音乐循环播放

            if (Save_Result && new FileInfo(savfilename).Exists)  //如果是保存中奖名单，并且名单中有信息，则读取出来确保这些信息不再中奖
            {
                StreamReader sr = new StreamReader(savfilename, Encoding.Default);
                savlist = sr.ReadToEnd().Replace("\r\n", "");
                sr.Close();
            }
            winlist = savlist;      //保存过的中奖信息一起加入中奖名单
            FindImg(Photo_Path + "\\", savlist);           //找到目录下所有照片，不支持子目录

            th = new Thread(new ThreadStart(DoLoop));
            th.Start();   //执行抽奖线程
        }

        private void ReadConfig(DataSet ds)     //此方法读xml参数
        {
            for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
            {
                switch (ds.Tables[0].Rows[i]["Name"].ToString())
                {
                    case "Bg_Width": Bg_Width = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Bg_Height": Bg_Height = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Photo_Width": Photo_Width = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Photo_Height": Photo_Height = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Photo_Position_X": Photo_Position_X = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Photo_Position_Y": Photo_Position_Y = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Bg_Path": Bg_Path = ds.Tables[0].Rows[i]["Content"].ToString(); break;
                    case "Photo_Path": Photo_Path = ds.Tables[0].Rows[i]["Content"].ToString(); break;
                    case "Sound_Run_Path": Sound_Run_Path = ds.Tables[0].Rows[i]["Content"].ToString(); break;
                    case "Sound_Win_Path": Sound_Win_Path = ds.Tables[0].Rows[i]["Content"].ToString(); break;
                    case "Save_Result": Save_Result = bool.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                    case "Timespan_Keypress": Timespan_Keypress = int.Parse(ds.Tables[0].Rows[i]["Content"].ToString()); break;
                }
            }
        }

        private void Form1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (int)Keys.Escape)      // 按ESC提示退出？
            {
                sp.Stop();
                is_keypress = false;              //暂停
                if (MessageBox.Show("退出软件?", "确认?", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)  //是，退出
                {
                    th.Abort();    //终止抽奖线程
                    this.Close();    //关闭窗体
                }
                else                           //否，继续
                {
                    is_keypress = true;
                    sp = new SoundPlayer(Sound_Run_Path);
                    sp.PlayLooping();
                }
            }
            if (e.KeyChar == (int)Keys.Space)     //按空格抽奖
            {
                if (dt == null)           //为空的话初始化一个当前时间
                {
                    dt = DateTime.Now;
                }
                else
                {
                    TimeSpan ts = DateTime.Now - dt;     //计算间隔时间
                    if (ts.Seconds >= Timespan_Keypress)       //超过规定间隔才会生效，太短不行，避免连续按键
                    {
                        if (is_keypress == true)     //如果按下空格时是运行的，那么暂停
                        {
                            is_keypress = false;
                            winlist += imglist[random].Name + ",";   //把中奖的编号加入序列
                            imglist.RemoveAt(random);    //把中奖的照片清除，确保不会重复中奖
                            sp.Stop();
                            sp = new SoundPlayer(Sound_Win_Path);    //播放中奖音乐
                            sp.Play();

                            if (Save_Result)
                            {
                                StreamWriter sw = new StreamWriter(savfilename, false, Encoding.Default);
                                sw.WriteLine(winlist);              //中奖结果保存到文件
                                sw.Flush();
                                sw.Close();
                            }
                            else
                            {
                                //  参数设置不保存，此处不做操作
                            }
                        }
                        else                        //如果按下空格时是暂停的，那么继续
                        {
                            is_keypress = true;
                            sp = new SoundPlayer(Sound_Run_Path);
                            sp.PlayLooping();
                        }
                        dt = DateTime.Now;   //把中奖时间记下来
                    }
                    else
                    {
                        //Undo
                    }
                }
            }
        }

        private void DoLoop()
        {
            while (true)   //永远循环
            {
                while (is_keypress)     //按下暂停，永远在暂停和运行间切换
                {
                    this.Invoke(new MethodInvoker(delegate()
                    {
                        if (imglist.Count > 0)
                        {
                            int guidseed = BitConverter.ToInt32(Guid.NewGuid().ToByteArray(), 0);    //使用Guid作为种子，随机效果好
                            Random r = new Random(guidseed);
                            random = r.Next(0, imglist.Count);    //抽取不大于照片数量的一个随机数
                            pb1.SizeMode = PictureBoxSizeMode.CenterImage;
                            Bitmap MyImage = new Bitmap(imglist[random].FullName);
                            pb1.ClientSize = new Size(Photo_Width, Photo_Height);
                            pb1.Location = new Point(Photo_Position_X, Photo_Position_Y);
                            pb1.Image = (Image)MyImage;
                        }
                        else
                        {
                            MessageBox.Show("全部中奖啦，不用抽了，结束！");
                            th.Abort();    //终止抽奖线程
                            this.Close();
                        }
                    }));
                    Thread.Sleep(1);
                }
            }
        }

        private List<FileInfo> FindImg(string dir, string win)   //win是已经中奖的信息，在此要略过
        {
            DirectoryInfo di = new DirectoryInfo(dir);
            FileInfo[] fi = di.GetFiles("*.jpg");
            foreach (FileInfo i in fi)
            {
                if (win.Contains(i.Name))   //中奖名单里已经包含了
                {
                    //略过
                }
                else
                {
                    imglist.Add(i);           //找到目录下所有照片，不支持子目录
                }
            }
            return imglist;
        }
    }
}

 

配置文件 config.xml

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<?xml version="1.0" encoding="utf-8" ?>
<Xml>
  <Para>
    <Name>Bg_Width</Name>
    <Content>1024</Content>
  </Para>
  <Para>
    <Name>Bg_Height</Name>
    <Content>768</Content>
  </Para>
  <Para>
    <Name>Photo_Width</Name>
    <Content>640</Content>
  </Para>
  <Para>
    <Name>Photo_Height</Name>
    <Content>426</Content>
  </Para>
  <Para>
    <Name>Photo_Position_X</Name>
    <Content>179</Content>
  </Para>
  <Para>
    <Name>Photo_Position_Y</Name>
    <Content>180</Content>
  </Para>
  <Para>
    <Name>Bg_Path</Name>
    <Content>bg\bg.jpg</Content>
  </Para>
  <Para>
    <Name>Photo_Path</Name>
    <Content>photos</Content>
  </Para>
  <Para>
    <Name>Sound_Run_Path</Name>
    <Content>sounds\music.wav</Content>
  </Para>
  <Para>
    <Name>Sound_Win_Path</Name>
    <Content>sounds\result.wav</Content>
  </Para>
  <Para>
    <Name>Save_Result</Name>
    <Content>False</Content>
  </Para>
  <Para>
    <Name>Timespan_Keypress</Name>
    <Content>3</Content>
  </Para>
</Xml>