/// <summary>
/// 读取一条用户团购数据
/// </summary>
/// <param name="userID">用户ID</param>
/// <returns>用户团购用户团购数据模型</returns>
public static UserGroupBuyInfo ReadUserGroupBuyByUser(int groupBuyID, int userID)
{
string sql = "SELECT [ID],[GroupBuyID],[Date],[IP],[BuyCount],[OrderID],[UserID],[UserName],[Consignee],[RegionID],[Address],[ZipCode],[Tel],[Email],[Mobile] FROM " + GroupBuyAccessHelper.TablePrefix + "UserGroupBuy WHERE [GroupBuyID]=" + groupBuyID.ToString() + " AND [UserID]=" + userID.ToString();
UserGroupBuyInfo userGroupBuy = new UserGroupBuyInfo();
using (OleDbDataReader dr = GroupBuyAccessHelper.ExecuteReader(sql))
{
if (dr.Read())
{
userGroupBuy.ID = dr.GetInt32(0);
userGroupBuy.GroupBuyID = dr.GetInt32(1);
userGroupBuy.Date = dr.GetDateTime(2);
userGroupBuy.IP = dr[3].ToString();
userGroupBuy.BuyCount = dr.GetInt32(4);
userGroupBuy.OrderID = dr.GetInt32(5);
userGroupBuy.UserID = dr.GetInt32(6);
userGroupBuy.UserName = dr[7].ToString();
userGroupBuy.Consignee = dr[8].ToString();
userGroupBuy.RegionID = dr[9].ToString();
userGroupBuy.Address = dr[10].ToString();
userGroupBuy.ZipCode = dr[11].ToString();
userGroupBuy.Tel = dr[12].ToString();
userGroupBuy.Email = dr[13].ToString();
userGroupBuy.Mobile = dr[14].ToString();
}
}
return(userGroupBuy);
}
/// <summary>
/// 获得用户团购数据列表
/// </summary>
/// <param name="groupBuyID">分类ID</param>
/// <returns>用户团购数据列表</returns>
public static List <UserGroupBuyInfo> ReadUserGroupBuyList(int groupBuyID)
{
List <UserGroupBuyInfo> userGroupBuyList = new List <UserGroupBuyInfo>();
string sql = "SELECT * FROM " + GroupBuyAccessHelper.TablePrefix + "UserGroupBuy WHERE [GroupBuyID]=" + groupBuyID;
using (OleDbDataReader dr = GroupBuyAccessHelper.ExecuteReader(sql))
{
PrepareUserGroupBuyModel(dr, userGroupBuyList);
}
return(userGroupBuyList);
}
/// <summary>
/// 获得用户团购数据的产品数量
/// </summary>
/// <param name="groupBuyID">分类ID</param>
public static Dictionary <int, int> ReadUserGroupBuyCount(string groupBuyIDList)
{
Dictionary <int, int> dicCount = new Dictionary <int, int>();
string sql = "SELECT [GroupBuyID],SUM(BuyCount) FROM " + GroupBuyAccessHelper.TablePrefix + "UserGroupBuy WHERE [GroupBuyID] IN(" + groupBuyIDList + ") GROUP BY [GroupBuyID]";
using (OleDbDataReader dr = GroupBuyAccessHelper.ExecuteReader(sql))
{
while (dr.Read())
{
dicCount.Add(dr.GetInt32(0), Convert.ToInt32(dr[1].ToString()));
}
}
return(dicCount);
}
/// <summary>
/// 读取一条团购数据
/// </summary>
/// <param name="id">团购的主键值</param>
/// <returns>团购数据模型</returns>
public static GroupBuyInfo ReadGroupBuy(int id)
{
string sql = "SELECT [ID],[Name],[Photo],[Description],[ProductID],[StartDate],[EndDate],[Price],[MinCount],[MaxCount],[EachNumber] FROM " + GroupBuyAccessHelper.TablePrefix + "GroupBuy WHERE [ID]=" + id.ToString();
GroupBuyInfo groupBuy = new GroupBuyInfo();
using (OleDbDataReader dr = GroupBuyAccessHelper.ExecuteReader(sql))
{
if (dr.Read())
{
groupBuy.ID = dr.GetInt32(0);
groupBuy.Name = dr[1].ToString();
groupBuy.Photo = dr[2].ToString();
groupBuy.Description = dr[3].ToString();
groupBuy.ProductID = dr.GetInt32(4);
groupBuy.StartDate = dr.GetDateTime(5);
groupBuy.EndDate = dr.GetDateTime(6);
groupBuy.Price = dr.GetDecimal(7);
groupBuy.MinCount = dr.GetInt32(8);
groupBuy.MaxCount = dr.GetInt32(9);
groupBuy.EachNumber = dr.GetInt32(10);
}
}
return(groupBuy);
}
/// <summary>
/// 返回DataReader对像
/// </summary>
/// <returns></returns>
public override OleDbDataReader ExecuteReader()
{
return(GroupBuyAccessHelper.ExecuteReader(this.PrepareSQL()));
}
