public ActionResult ToWheel(int id)
{
//var memberid = User_Shop.GetMemberID();
try
{
var memberid = User_Shop.GetMemberID();
var member = DB.Member_Info.FindEntity(memberid);
#region 验证会员是否有抽奖机会
// 1.比如 条件 ，每天免费抽3次
var today = DateTime.Now.Date;
var count = DB.ShopBigWheelLog.Count(a => a.MemberID == memberid && a.BID == id && a.CreateTime >= today);
if (count >= 3)
{
return(Error("每天免费3次抽奖机会已用完，不能再次抽奖"));
}
#endregion
#region 抽奖
var model = new ShopBigWheelLog()
{
BID = id,
CreateTime = DateTime.Now,
IP = WebTools.GetHostAddress(),
MemberCode = member.Code,
NickName = member.NickName,
MemberID = member.MemberId,
};
var r = DB.ShopBigWheelLog.Insert(model);
if (r)
{
if (model != null)
{
#region 抽奖过程
var details = DB.ShopBigWheelDetail.Where(a => a.BID == model.BID);
ShopBigWheelDetail curResult = null;
foreach (var item in details)
{
if (item.Probability <= 0)
{
continue;
}
else if (item.Probability >= 1)
{
curResult = item;
break;
}
else
{
var big = 1000;
var n = item.Probability * big; //先放大1000倍
var random = DB.Random.Next(0, big + 1); //1-1000之间随机一个数，如果这个数<=n ,中奖
if (random <= n)
{
curResult = item;
break;
}
}
}
#endregion
#region 奖结果赋于model
if (curResult == null)
{
model.ResultID = null;
model.Result = "未中奖";
model.Desc = "谢谢参与，再接再厉";
}
else
{
model.ResultID = curResult.ID;
model.Result = curResult.Name;
model.Desc = curResult.Desc;
}
var re = DB.ShopBigWheelLog.Update(model);
if (re)
{
switch (model.Result)
{
case "一等奖":
return(Success("3037,恭喜您中" + model.Result));
case "二等奖":
return(Success("2945,恭喜您中" + model.Result));
case "三等奖":
return(Success("3215,恭喜您中" + model.Result));
case "四等奖":
return(Success("3127,恭喜您中" + model.Result));
default:
break;
}
}
#endregion
}
//var obj = new{angle = "2994",prize = "谢谢参与，请再接再厉",prizename = "谢谢参与"};
return(Success("2994,谢谢参与"));
}
else
{
return(Error("抽奖失败"));
}
#endregion
}
catch (Exception e)
{
return(Error(e));
}
}