//根据商圈楼层获取电梯扶梯
public virtual List <AreaModels> GetLifts(int TradeAreaID, int FloorNum)
{
string sqlString = "dbo.dz_Area_GetLift";
SqlParameter[] parm = { new SqlParameter("@TradeAreaId", TradeAreaID),
new SqlParameter("@FloorNum", FloorNum) };
List <AreaModels> lifts = new List <AreaModels>();
SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlString, CommandType.StoredProcedure, parm);
while (reader.Read())
{
lifts.Add(new AreaModels
{
AreaKeyID = (int)reader["a_allAreaKeyId"],
TradeAreaID = (int)reader["a_tradeAreaId"],
TradeAreaFloor = (int)reader["a_tradeAreaFloor"],
Category = (int)reader["a_areaCategory"],
AradID = (int)reader["a_areaId"],
StartX = float.Parse(reader["a_startX"].ToString()),
StartY = float.Parse(reader["a_startY"].ToString()),
Width = float.Parse(reader["a_width"].ToString()),
Height = float.Parse(reader["a_height"].ToString()),
IsMark = (bool)reader["a_isMark"]
});
}
reader.Close();
return(lifts);
}
public virtual storeActivity GetByPosition(int tradeAreaId, int floorNum, float mapX, float mapY, float scaling)
{
//存储过程名称
string sqlStr = "dbo.dz_Area_GetStoreByPosition ";
storeActivity storeAct = null;
SqlDataReader dr = SqlSeverProvider.ExecuteReader(sqlStr, CommandType.StoredProcedure);
if (dr.Read())
{
storeAct = new storeActivity
{
storeID = dr.GetInt32(0),
storeCName = dr.GetString(1),
storeEName = dr.GetString(2)
};
}
// 根据 storeId 获取活动信息 添加到 storeAct 后 在返回
ActivityModels activity = _ActivityManager.GetByStoreId(storeAct.storeID);
storeAct.activityID = activity.activityID;
storeAct.activityTitle = activity.activityTitle;
storeAct.activityContent = activity.activityContent;
return(storeAct);
}
public virtual StoreModels GetById(int id)
{
string sqlStr = "select * from m_store where s_storeId='" + id + "'";
SqlDataReader dr = SqlSeverProvider.ExecuteReader(sqlStr);
StoreModels store = null;
if (dr.Read())
{
store = new StoreModels
{
storeID = dr.GetInt32(0),
areaKeyID = dr.GetInt32(1),
storeCName = dr.GetString(2),
storeEName = dr.GetString(3),
categoryID = dr.GetInt32(4),
logo = dr.GetString(5),
brandsID = dr.GetInt32(6),
address = dr.GetString(7),
phoneNumber = dr.GetString(8),
arrivalNum = dr.GetInt32(9)
};
dr.Close();
return(store);
}
return(null);
}
/// <summary>
/// 将数据集分成训练集 和 测试集 ----------------Success
/// </summary>
/// <param name="i"></param>
/// <param name="j"></param>
public void SplitDataSet(int i, int j)
{
Array.Clear(TestSet, 0, itemTotal * userTotal);
Array.Clear(TrainSet, 0, itemTotal * userTotal);
Thread.Sleep(1000);
string sqlStr = "select * from Ratings";
var dataReader = SqlSeverProvider.ExecuteReader(sqlStr);
while (dataReader.Read())
{
var userID = dataReader.GetInt32(0);
var itemID = dataReader.GetInt32(1);
var rate = dataReader.GetInt32(2);
Random rand = new Random(DateTime.Now.Millisecond);
try
{
if (rand.Next() % (i - 1) == j)
{
TestSet[itemID - 1, userID] = 1;
}
else
{
TrainSet[itemID - 1, userID - 1] = 1;
}
}
catch { }
}
}
/// <summary>
/// 根据购物车推荐
/// </summary>
/// <param name="userId"></param>
/// <param name="shoppingCart"></param>
/// <returns></returns>
public static List <int> GetRecommend(int userId, List <int> shoppingCart)
{
List <int> itemsList = new List <int>();
string sqlStr = string.Format("select top(10) itemID,COUNT(itemID) as total from Ratings group by itemID order by total desc");
SqlDataReader dataReader = SqlSeverProvider.ExecuteReader(sqlStr);
while (dataReader.Read())
{
itemsList.Add(dataReader.GetInt32(0));
}
return(itemsList);
}
/// <summary>
/// 根据用户的评分行为进行推荐
/// </summary>
/// <param name="userId"></param>
/// <returns></returns>
public static List <int> GetRecommend(int userId)
{
List <int> itemsList = new List <int>();
string sqlStr = string.Format("select itemID from Recommended where userID={0}", userId);
SqlDataReader dataReader = SqlSeverProvider.ExecuteReader(sqlStr);
while (dataReader.Read())
{
itemsList.Add(dataReader.GetInt32(0));
}
return(itemsList);
}
public TradeAreaModels GetById(int id)
{
string sqlString = "select * from m_tradeArea where t_tradeAreaId = " + id;
System.Data.SqlClient.SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlString);
TradeAreaModels trade = null;
if (reader.Read())
{
trade = TradeAreaManager.GetTradeAreaByReader(reader);
}
return(trade);
}
//Methods of ITradeAreaProvider
public List <TradeAreaModels> GetTradeAreaByCity(string cityname)
{
string sqlString = "dbo.dz_TradeArea_GetByCityName";
SqlParameter[] parm = { new SqlParameter("@CityName", cityname) };
List <TradeAreaModels> trades = new List <TradeAreaModels>();
SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlString, CommandType.StoredProcedure, parm);
while (reader.Read())
{
trades.Add(GetTradeAreaByReader(reader));
}
return(trades);
}
private static void OutUsersInterest()
{
for (int i = 0; i < 5; i++)
{
Random rand = new Random(DateTime.Now.Millisecond);
var user = rand.Next() % 6040;
Console.WriteLine("User " + user + ":");
string sqlStr = string.Format("select top(100) itemID,interest from UserInterest where userID={0} and interest>0 order by itemID", user);
SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlStr);
int num = 1;
while (reader.Read())
{
Console.Write(reader.GetInt32(0) + ":");
Console.Write(reader.GetDouble(1).ToString("0.0000") + " ; ");
if (num > 0 && num % 5 == 0)
{
Console.Write("\n");
}
num++;
}
Console.Write("\n");
}
}
private static void OutSimilarMatrix()
{
for (int i = 0; i < 3; i++)
{
Random rand = new Random(DateTime.Now.Millisecond);
var item = rand.Next() % 3952;
Console.WriteLine("item " + item + ":");
string sqlStr = string.Format("select top(100) itemTwo,similarity from SimilarityMatrix where itemOne={0} order by itemTwo", item);
SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlStr);
int num = 1;
while (reader.Read())
{
Console.Write(reader.GetInt32(0) + ":");
Console.Write(reader.GetDouble(1).ToString("0.0000") + " ; ");
if (num > 0 && num % 5 == 0)
{
Console.Write("\n");
}
num++;
}
Console.Write("\n");
}
}
public virtual AreaModels GetById(int ID)
{
string sqlString = "select * from m_area where a_allAreaKeyId = " + ID;
SqlDataReader reader = SqlSeverProvider.ExecuteReader(sqlString);
AreaModels area = null;
if (reader.Read())
{
area = new AreaModels
{
AreaKeyID = (int)reader["a_allAreaKeyId"],
TradeAreaID = (int)reader["a_tradeAreaId"],
TradeAreaFloor = (int)reader["a_tradeAreaFloor"],
Category = (int)reader["a_areaCategory"],
AradID = (int)reader["a_areaId"],
StartX = (float)reader["a_startX"],
StartY = (float)reader["a_startY"],
Width = (float)reader["a_width"],
Height = (float)reader["a_height"],
IsMark = (bool)reader["a_isMark"]
};
}
return(area);
}