/// <summary>
/// 获取最新获奖记录
/// </summary>
/// <returns>返回中奖记录集合</returns>
public List <LotteryLog> GetLotteryLog()
{
List <LotteryLog> list = new List <LotteryLog>();
try
{
string sql = "select top 10 * from LotteryLog where LotteryName !='谢谢参与' order by LotteryTime desc";
using (SqlDataReader reder = db.GetReader(sql))
{
while (reder.Read())
{
LotteryLog ll = new LotteryLog((int)reder["Id"], reder["UserName"].ToString(), (int)reder["Points"], (int)reder["LotteryNum"], reder["LotteryName"].ToString(), (DateTime)reder["LotteryTime"]);
list.Add(ll);
}
}
return(list);
}
catch (SqlException ex)
{
throw new Exception("数据库异常！原因：" + ex.Message);
}
catch (Exception ex)
{
throw new Exception("未知异常！原因：" + ex.Message);
}
return(list);
}
/// <summary>
/// 添加一条中奖日志
/// </summary>
/// <param name="ll">中奖日志</param>
/// <returns>返回是否添加成功</returns>
public Boolean AddLotteryLog(LotteryLog ll)
{
try
{
string sql = "insert into LotteryLog(UserName,Points,LotteryNum,LotteryName)values (@UserName,@Points,@LotteryNum,@LotterName)";
SqlParameter[] sp = new SqlParameter[]
{
new SqlParameter("@UserName", ll.UserName),
new SqlParameter("@Points", ll.Points),
new SqlParameter("@LotteryNum", ll.LotteryNum),
new SqlParameter("@LotterName", ll.LotterName)
};
return(db.ExecuteNonQuery(sql, sp));
}
catch (SqlException ex)
{
throw new Exception("数据库异常！原因：" + ex.Message);
}
catch (Exception ex)
{
throw new Exception("未知异常！原因：" + ex.Message);
}
}
/// <summary>
/// 进行抽奖
/// </summary>
/// <returns></returns>
public string LotteryRes(string UserName)
{
int LotteryNum = 0;
string LotteryText = "";
LotteryLog ll = new LotteryLog(0, UserName, 10, 0, "", DateTime.Now);
Random ran = new Random();
int RandKey = ran.Next(1, 100000);
if (RandKey > 899 && RandKey <= 999)
{
if (RandKey % 2 == 0)
{
LotteryNum = 2;
}
else
{
LotteryNum = 10;
}
AddUserMoney(UserName, 100);
LotteryText = "恭喜您获得平台币一百元，现已到账，请查收！请再接再厉向大奖发力！";
ll.LotterName = "平台币一百元";
}
else if (RandKey > 7725 && RandKey <= 7925)
{
AddUserMoney(UserName, 10);
LotteryText = "恭喜您获得平台币十元，现已到账，请查收！请再接再厉向大奖发力！";
ll.LotterName = "平台币十百元";
if (RandKey % 2 == 0)
{
LotteryNum = 4;
}
else
{
LotteryNum = 12;
}
}
else if (RandKey > 33332 && RandKey <= 34332)
{
AddUserMoney(UserName, 5);
LotteryText = "恭喜您获得平台币五元，现已到账，请查收！请再接再厉向大奖发力！";
ll.LotterName = "平台币五元";
if (RandKey % 2 == 0)
{
LotteryNum = 5;
}
else
{
LotteryNum = 13;
}
}
else if (RandKey > 55553 && RandKey <= 57553)
{
LotteryText = "恭喜您获得平台币一元，现已到账，请查收！请再接再厉向大奖发力！";
ll.LotterName = "平台币一元";
if (RandKey % 2 == 0)
{
LotteryNum = 7;
}
else
{
LotteryNum = 15;
}
}
else
{
LotteryText = "很遗憾这次您啥也没中，不过还是要感谢您的参与！预祝您下次中大奖！";
ll.LotterName = "谢谢参与";
int RandKey2 = ran.Next(1, 6);
switch (RandKey2)
{
case 1:
LotteryNum = 3;
break;
case 2:
LotteryNum = 6;
break;
case 3:
LotteryNum = 8;
break;
case 4:
LotteryNum = 11;
break;
case 5:
LotteryNum = 14;
break;
case 6:
LotteryNum = 16;
break;
default:
break;
}
}
ll.LotteryNum = LotteryNum;
ls.AddLotteryLog(ll);
return(LotteryNum + "|" + LotteryText);
}
