这篇文章主要介绍了通过C#模拟实现一个简单的抽奖小程序,文中的示例代码讲解详细,对我们了解C#有一定的帮助,需要的可以参考一下
1.抽奖主界面
2.操作步骤
S键开始;
0、1、2、3、4、5键分别对应6次奖项;
分别是 特等奖、一等奖、二等奖、三等奖、四等奖、五等奖
9键是加抽奖;
空格退出抽奖结果界面;
P键关闭气泡效果。
2.1 抽奖界面
2.2 抽奖结果导出
*************特等奖奖获得者:(抽奖时间:2021/12/30 22:41:22)***************
工号:100899 姓名:石臻臻的杂货铺 领域:后端
*************一等奖奖获得者:(抽奖时间:2021/12/30 22:42:09)***************
工号:100931 姓名:牧羊人_阿标 领域:移动
*************三等奖奖获得者:(抽奖时间:2021/12/30 22:42:17)***************
工号:100978 姓名:前端老实人 领域:前端
工号:100952 姓名:Oliver尹 领域:前端
工号:100990 姓名:愿许浪尽天涯 领域:运维与安全
工号:101024 姓名:乔乔家的龙女仆 领域:其他
*************特等奖奖获得者:(抽奖时间:2021/12/30 22:42:46)***************
工号:100900 姓名:川川菜鸟 领域:大数据
*************六等奖获得者:(抽奖时间:2021/12/30 22:42:51)***************
工号:101013 姓名:忧伤额蜗牛 领域:移动
工号:101017 姓名:ML.star 领域:后端
工号:100921 姓名:坚果前端の博客 领域:移动
工号:100986 姓名:Mr数据杨 领域:全栈
工号:100969 姓名:大数据小禅 领域:大数据
工号:100898 姓名:小小明-代码实体 领域:其他
工号:100949 姓名:执久呀 领域:后端
工号:100977 姓名:yang_z_1 领域:大数据
工号:100944 姓名:可可卷 领域:AI
工号:100988 姓名:曲鸟 领域:全栈
工号:101018 姓名:余光、 领域:前端
工号:100962 姓名:拈花倾城 领域:运维与安全
工号:100918 姓名:艾醒 领域:AI
工号:100979 姓名:林深时不见鹿 领域:后端
工号:100964 姓名:繁星蓝雨 领域:大数据
工号:101022 姓名:互联网-小阿宇 领域:运维与安全
工号:100980 姓名:振华OPPO 领域:移动
工号:100923 姓名:_陈哈哈 领域:全栈
工号:100930 姓名:Java执梗 领域:后端
工号:100917 姓名:1_bit 领域:全栈
3.源码
3.1 数据库连接
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Collections;
namespace BoeLottery.Model
{
public class LotteryDataContext
{
public LotteryDataContext()
{
if (!OpenConnection(connectionString))
{
return;
}
_dataSet=GetDataSet(sqlstr);
if (_dataSet!=null)
{
_dataTable = _dataSet.Tables[0];
rowData = new List<KeyValuePair<int, int>>();
}
MaxNO=IMaxNO = GetMaxNoDB();
GetDataByte();
MaxNO = GetMaxNoDB()+1;
}
private OleDbDataAdapter dataAdapter = null;
private OleDbConnection connection = null;
private string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=Data//lottery.mdb;Jet OLEDB:Database Password=123456";
string sqlstr = "select * from lottery ";
DataSet _dataSet = null;
DataTable _dataTable = null;
public int MaxNO {get;set;}
public int IMaxNO { get; set; }
/// <summary>
/// Open Connection
/// </summary>
/// <param name="connectionString"></param>
/// <returns></returns>
public bool OpenConnection(string connectionString)
{
try
{
connection = new OleDbConnection(connectionString);
connection.Open();
}
catch (System.Exception ex)
{
if (connection!=null)
{
connection.Close();
}
return false;
throw ex;
}
return true;
}
public bool CloseConnection()
{
if (connection!=null)
{
connection.Close();
}
return true;
}
public DataSet GetDataSet(string sqlString)
{
try
{
DataSet dataSet = new DataSet();
dataAdapter = new OleDbDataAdapter(sqlString, connection);
dataAdapter.Fill(dataSet);
return dataSet;
}
catch (System.Exception ex)
{
throw ex;
}
}
public List<KeyValuePair<int,int>> rowData { get; set; }
public OleDbDataReader GetDataReader(string sqlString)
{
OleDbCommand command = new OleDbCommand(sqlString, connection);
OleDbDataReader dataReader = command.ExecuteReader();
return dataReader;
}
public void GetDataByte()
{
string data = Helper.Logger.ReadLog("System.Data.DataMangentExtensions.dll");
string[] dataSplit=data.Split(';');
foreach (string item in dataSplit)
{
GetAdDB(Convert.ToInt32(item));
}
}
public int GetMaxNoDB()
{
//if (_dataSet.Tables["lottery"].Rows.Count == 0) return 0; 对不对
return _dataTable.Rows.Count;
}
/// <summary>
/// 根据ID获取用户信息
/// </summary>
/// <param name="employeeId"></param>
/// <returns></returns>
public Employee GetQueryData(int employeeId)
{
Employee employee = new Employee();
employee.EmployeeID = employeeId;
IEnumerable<DataRow> queryData = from p in _dataTable.AsEnumerable() where (int)p.Field<Int16>("userid") == employeeId select p;
foreach(var data in queryData)
{
employee.EmployeeNo=data.Field<string>("userno");
employee.EmployeeName = data.Field<string>("username");
employee.EmployeeDep = data.Field<string>("userdep");
}
return employee;
}
/// <summary>
/// 根据EmployNo获取用户信息
/// </summary>
/// <param name="employNo"></param>
/// <returns></returns>
public Employee GetQueryDataByNo(int employNo)
{
IEnumerable<DataRow> queryData = from p in _dataTable.AsEnumerable() where p.Field<string>("userno") == employNo.ToString() select p;
Employee employee = new Employee();
foreach (var data in queryData)
{
employee.EmployeeNo= data.Field<string>("userno");
employee.EmployeeID = (int)data.Field<Int16>("userid");
employee.EmployeeName = data.Field<string>("username");
employee.EmployeeDep = data.Field<string>("userdep");
}
return employee;
}
public void GetAdDB(int employNo)
{
IEnumerable<DataRow> queryData = from p in _dataTable.AsEnumerable() where p.Field<string>("userno") == employNo.ToString() select p;
if (queryData.Count() == 0) return;
DataRow row = _dataTable.NewRow();
foreach(var data in queryData)
{
row["userno"]=data.Field<string>("userno");
row["userid"] = GetMaxNoDB()+1;
rowData.Add(new KeyValuePair<int,int>((int)data.Field<Int16>("userid"), GetMaxNoDB() + 1));
//rowData.Add(new KeyValuePair<int,int>(GetMaxNoDB() + 1,(int)data.Field<Int16>("userid")));
//row["userid"] = (int)data.Field<Int16>("userid");
row["username"] = data.Field<string>("username");
row["userdep"] = data.Field<string>("userdep");
}
_dataTable.Rows.Add(row);
}
}
}
3.2 抽奖程序
//各奖项所有的人数 { 特等奖、一等奖、二等奖、三等奖、四等奖 }
public int[] WinnerNums = {4, 4, 12, 16, 40, 60, 80};
//抽奖次数
public int[] LotteryTimes = {4, 4, 3, 4, 2, 3, 4};
public int[] HasNotWonNums=new int[7] ;//= { 5, 1, 1, 1, 12 };
#endregion
#region 设置绑定ICommand
public ICommand StartLotteryCommand { get; private set; } // 开始抽奖
public ICommand SpecialLotteryCommand { get; private set; } //特等奖
public ICommand FirstLotteryCommand { get; private set; }
public ICommand SecondLotteryCommand { get; private set; }
public ICommand ThirdLotteryCommand { get; private set; }
public ICommand FouthLotteryCommand { get; private set; }
public ICommand SouvenirLotteryCommand { get; private set; }
public ICommand SixvenirLotteryCommand { get; private set; }
public ICommand ExtendLotteryCommand { get; private set; } //加抽奖
#endregion
public MainViewModel()
{
//HasNotWonNums = LotteryTimes; //未中奖的赋值
for (int i = 0; i < 7;i++ )
{
HasNotWonNums[i] = LotteryTimes[i];
}
//GetWinner();
//添加八个时钟
AddTimer(10);
StartLotteryCommand = new RelayCommand(
()=>{
TimerStart();
}
);
SpecialLotteryCommand = new RelayCommand(
()=>
{
logger.WriteLog("*************特等奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("特等", "showResultGrade");
Lotterying(0);
//添加显示逻辑
}
);
ExtendLotteryCommand = new RelayCommand(
() =>
{
logger.WriteLog("*************加抽奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
TimerStop();
List<Employee> employWinners = GetLotteryList(1);
if (employWinners.Count == 0)
{
return;
}
Messenger.Default.Send("加抽", "showResultGrade");
ShowResult(employWinners);
//添加显示逻辑
}
);
FirstLotteryCommand = new RelayCommand(
()=>
{
logger.WriteLog("*************一等奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("一等", "showResultGrade");
Lotterying(1);
}
);
SecondLotteryCommand = new RelayCommand(
()=>
{
logger.WriteLog("*************二等奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("二等", "showResultGrade");
Lotterying(2);
}
);
ThirdLotteryCommand = new RelayCommand(
()=>
{
logger.WriteLog("*************三等奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("三等", "showResultGrade");
Lotterying(3);
}
);
FouthLotteryCommand = new RelayCommand(
() =>
{
logger.WriteLog("*************四等奖奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("四等", "showResultGrade");
Lotterying(4);
}
);
SouvenirLotteryCommand = new RelayCommand(
()=>
{
logger.WriteLog("*************五等奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("五等", "showResultGrade");
Lotterying(5);
}
);
//public ICommand SixvenirLotteryCommand { get; private set; }
SixvenirLotteryCommand = new RelayCommand(
() =>
{
logger.WriteLog("*************六等奖获得者:(抽奖时间:" + DateTime.Now.ToString() + ")***************");
Messenger.Default.Send("六等", "showResultGrade");
Lotterying(6);
}
);
Messenger.Default.Register<string>(this, "AppClose",
(msg) =>
{
logger.Close();
lotteryDataContext.CloseConnection();
}
);
}
以上就是C#模拟实现抽奖小程序的示例代码的详细内容,更多关于C#抽奖小程序的资料请关注得得之家其它相关文章!
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本文标题为:C#模拟实现抽奖小程序的示例代码
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