/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(WebApi_Model.T_User_ShopCar model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update T_User_ShopCar set ");
strSql.Append("UID=@UID,");
strSql.Append("ProductID=@ProductID,");
strSql.Append("ProductExtID=@ProductExtID,");
strSql.Append("Qty=@Qty");
strSql.Append(" where ShopCarID=@ShopCarID");
SqlParameter[] parameters =
{
new SqlParameter("@UID", SqlDbType.Int, 4),
new SqlParameter("@ProductID", SqlDbType.Int, 4),
new SqlParameter("@ProductExtID", SqlDbType.Int, 4),
new SqlParameter("@Qty", SqlDbType.Int, 4),
new SqlParameter("@ShopCarID", SqlDbType.Int, 4)
};
parameters[0].Value = model.UID;
parameters[1].Value = model.ProductID;
parameters[2].Value = model.ProductExtID;
parameters[3].Value = model.Qty;
parameters[4].Value = model.ShopCarID;
int rows = DBHelper.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WebApi_Model.T_User_ShopCar DataRowToModel(DataRow row)
{
WebApi_Model.T_User_ShopCar model = new WebApi_Model.T_User_ShopCar();
if (row != null)
{
if (row["ShopCarID"] != null && row["ShopCarID"].ToString() != "")
{
model.ShopCarID = int.Parse(row["ShopCarID"].ToString());
}
if (row["UID"] != null && row["UID"].ToString() != "")
{
model.UID = int.Parse(row["UID"].ToString());
}
if (row["ProductID"] != null && row["ProductID"].ToString() != "")
{
model.ProductID = int.Parse(row["ProductID"].ToString());
}
if (row["ProductExtID"] != null && row["ProductExtID"].ToString() != "")
{
model.ProductExtID = int.Parse(row["ProductExtID"].ToString());
}
if (row["Qty"] != null && row["Qty"].ToString() != "")
{
model.Qty = int.Parse(row["Qty"].ToString());
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public int Add(WebApi_Model.T_User_ShopCar model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into T_User_ShopCar(");
strSql.Append("UID,ProductID,ProductExtID,Qty)");
strSql.Append(" values (");
strSql.Append("@UID,@ProductID,@ProductExtID,@Qty)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UID", SqlDbType.Int, 4),
new SqlParameter("@ProductID", SqlDbType.Int, 4),
new SqlParameter("@ProductExtID", SqlDbType.Int, 4),
new SqlParameter("@Qty", SqlDbType.Int, 4)
};
parameters[0].Value = model.UID;
parameters[1].Value = model.ProductID;
parameters[2].Value = model.ProductExtID;
parameters[3].Value = model.Qty;
object obj = DBHelper.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public WebApi_Model.T_User_ShopCar GetModel(int ShopCarID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 ShopCarID,UID,ProductID,ProductExtID,Qty from T_User_ShopCar ");
strSql.Append(" where ShopCarID=@ShopCarID");
SqlParameter[] parameters =
{
new SqlParameter("@ShopCarID", SqlDbType.Int, 4)
};
parameters[0].Value = ShopCarID;
WebApi_Model.T_User_ShopCar model = new WebApi_Model.T_User_ShopCar();
DataSet ds = DBHelper.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}