C# (CSharp) wool.DAO itemDAO示例

示例#1

文件： ItemUserDAO.cs 项目： nEdAy/Graduation

///<summary>
///分页查询一个集合
///</summary>
///<param name="index">页码</param>
///<param name="size">页大小</param>
///<param name="columns">指定的列</param>
///<param name="wheres">条件匿名类</param>
///<param name="orderField">排序字段</param>
///<param name="isDesc">是否降序排序</param>
///<returns>实体集合</returns>
        public IEnumerable <Dictionary <string, object> > QueryListX(int index, int size, object columns = null, object wheres = null, string orderField = "objectId", bool isDesc = true)
        {
            List <SqlParameter> list = null;

            string where = wheres.parseWheres(out list);
            orderField   = string.IsNullOrEmpty(orderField) ? "objectId" : orderField;
            Dictionary <string, string[]> li;

            string[] clumns = new String[] { "objectId", "love", "dislove", "fav", "updatedAt", "createdAt" };
            string[] cls    = columns.parseColumnsX(clumns, "ItemUser", out li);
            var      sql    = SqlHelper.GenerateQuerySql("ItemUser", li["ItemUser"], index, size, where, orderField, isDesc);

            using (var reader = SqlHelper.ExecuteReader(sql, list.ToArray()))
            {
                if (reader.HasRows)
                {
                    while (reader.Read())
                    {
                        Dictionary <string, object> model = SqlHelper.MapEntity(reader, cls);
                        if (li.ContainsKey("_User"))
                        {
                            _UserDAO _UserDAO = new _UserDAO();
                            model["_User"] = _UserDAO.QuerySingleByIdX((string)reader["_UserId"], li["_User"]);
                        }
                        if (li.ContainsKey("item"))
                        {
                            itemDAO itemDAO = new itemDAO();
                            model["item"] = itemDAO.QuerySingleByIdX((string)reader["itemId"], li["item"]);
                        }

                        yield return(model);
                    }
                }
            }
        }

示例#2

文件： ItemUserDAO.cs 项目： nEdAy/Graduation

///<summary>
///查询单个模型实体
///</summary>
///<param name=objectId>主键</param>);
///<returns>实体</returns>);
        public Dictionary <string, object> QuerySingleByIdX(string objectId, object columns)
        {
            Dictionary <string, string[]> li;

            string[] clumns = new String[] { "objectId", "love", "dislove", "fav", "updatedAt", "createdAt" };
            string[] cls    = columns.parseColumnsX(clumns, "ItemUser", out li);
            string   sql    = "SELECT TOP 1 " + string.Join(",", li["ItemUser"]) + " from ItemUser WHERE [objectId] = @objectId";

            using (var reader = SqlHelper.ExecuteReader(sql, new SqlParameter("@objectId", objectId)))
            {
                if (reader.HasRows)
                {
                    reader.Read();
                    Dictionary <string, object> model = SqlHelper.MapEntity(reader, cls);
                    if (li.ContainsKey("_User"))
                    {
                        _UserDAO _UserDAO = new _UserDAO();
                        model["_User"] = _UserDAO.QuerySingleByIdX((string)reader["_UserId"], li["_User"]);
                    }
                    if (li.ContainsKey("item"))
                    {
                        itemDAO itemDAO = new itemDAO();
                        model["item"] = itemDAO.QuerySingleByIdX((string)reader["itemId"], li["item"]);
                    }

                    return(model);
                }
                else
                {
                    return(null);
                }
            }
        }

示例#3

文件： ItemUserDAO.cs 项目： nEdAy/Graduation

/// <summary>
/// 查询单个模型实体
/// </summary>
/// <param name="id">objectId</param>);
/// <returns>实体</returns>);
        public ItemUser QuerySingleById(string objectId)
        {
            const string sql = "SELECT TOP 1 objectId,itemId,_UserId,love,dislove,fav,updatedAt,createdAt from ItemUser WHERE [objectId] = @objectId";

            using (var reader = SqlHelper.ExecuteReader(sql, new SqlParameter("@objectId", objectId)))
            {
                if (reader.HasRows)
                {
                    reader.Read();
                    ItemUser model    = SqlHelper.MapEntity <ItemUser>(reader);
                    _UserDAO _UserDAO = new _UserDAO();
                    model._User = _UserDAO.QuerySingleById((string)reader["_UserId"]);
                    itemDAO itemDAO = new itemDAO();
                    model.item = itemDAO.QuerySingleById((string)reader["itemId"]);
                    return(model);
                }
                else
                {
                    return(null);
                }
            }
        }

示例#4

文件： ItemUserDAO.cs 项目： nEdAy/Graduation

///<summary>
///查询单个模型实体
///</summary>
///<param name="wheres">条件</param>
///<param name="columns">列集合</param>
///<returns>实体</returns>
        public Dictionary <string, object> QuerySingleByWheresX(object wheres, object columns)
        {
            List <SqlParameter> list = null;

            string where = wheres.parseWheres(out list);
            where        = string.IsNullOrEmpty(where) ? "" : " where " + where;
            Dictionary <string, string[]> li;

            string[] clumns = new String[] { "objectId", "love", "dislove", "fav", "updatedAt", "createdAt" };
            string[] cls    = columns.parseColumnsX(clumns, "ItemUser", out li);
            string   sql    = "SELECT TOP 1 " + string.Join(",", li["ItemUser"]) + " from ItemUser" + where;

            using (var reader = SqlHelper.ExecuteReader(sql, list.ToArray()))
            {
                if (reader.HasRows)
                {
                    reader.Read();
                    Dictionary <string, object> model = SqlHelper.MapEntity(reader, cls);
                    if (li.ContainsKey("_User"))
                    {
                        _UserDAO _UserDAO = new _UserDAO();
                        model["_User"] = _UserDAO.QuerySingleByIdX((string)reader["_UserId"], li["_User"]);
                    }
                    if (li.ContainsKey("item"))
                    {
                        itemDAO itemDAO = new itemDAO();
                        model["item"] = itemDAO.QuerySingleByIdX((string)reader["itemId"], li["item"]);
                    }

                    return(model);
                }
                else
                {
                    return(null);
                }
            }
        }

示例#5

文件： ItemUserDAO.cs 项目： nEdAy/Graduation

///<summary>
///分页查询一个集合
///</summary>
///<param name="index">页码</param>
///<param name="size">页大小</param>
///<param name="wheres">条件匿名类</param>
///<param name="orderField">排序字段</param>
///<param name="isDesc">是否降序排序</param>
///<returns>实体集合</returns>
        public IEnumerable <ItemUser> QueryList(int index, int size, object wheres = null, string orderField = "objectId", bool isDesc = true)
        {
            List <SqlParameter> list = null;

            string where = wheres.parseWheres(out list);
            orderField   = string.IsNullOrEmpty(orderField) ? "objectId" : orderField;
            var sql = SqlHelper.GenerateQuerySql("ItemUser", new string[] { "objectId", "itemId", "_UserId", "love", "dislove", "fav", "updatedAt", "createdAt" }, index, size, where, orderField, isDesc);

            using (var reader = SqlHelper.ExecuteReader(sql, list.ToArray()))
            {
                if (reader.HasRows)
                {
                    while (reader.Read())
                    {
                        ItemUser model    = SqlHelper.MapEntity <ItemUser>(reader);
                        _UserDAO _UserDAO = new _UserDAO();
                        model._User = _UserDAO.QuerySingleById((string)reader["_UserId"]);
                        itemDAO itemDAO = new itemDAO();
                        model.item = itemDAO.QuerySingleById((string)reader["itemId"]);
                        yield return(model);
                    }
                }
            }
        }