CodeGo.net>反序列化从SQL查询返回的XML对象？

我需要反序列化从SQL查询返回的XML对象.

我使用JSON进行此操作,但是无法使用JSON,因此我转向了XML. JsonConvert功能可以将我的结果写在一行中..但是我不确定如何处理SQL给我的东西.

当写入服务器时,表将Xdocument类型获取到xml数据类型单元格中.

        if (do_sql_read)
        {
            List<string> usernames = new List<string>();
            List<int> ids = new List<int>();
            string sql_load;

            Player player_after_load = new Player();

            //multiple
            string select_string = @"SELECT * FROM [Table]";

            using (SqlConnection sql_connection_a = new SqlConnection( GetConnectionString() ) )
            {
                sql_connection_a.Open();

                using (SqlCommand command = new SqlCommand(select_string, sql_connection_a))
                {
                    SqlDataReader reader = command.ExecuteReader(CommandBehavior.Default);

                    // XML VERSION
                    while (reader.Read())
                    {
                        int iii = reader.GetInt32(0);    // unique id int
                        string name = reader.GetString(1);  // Name string
                        sql_load = reader.GetString(2);
                        usernames.Add(name);
                        ids.Add(iii);

                        XmlSerializer XML_serializer = new XmlSerializer (typeof(Player));


                        // <<<<< THIS PART ??? >>>
                        player_after_load = (Player)XML_serializer.Deserialize (sql_load);

                        Console.WriteLine("SQLPlayer:  " + iii + " " + player_after_load.name + " " + player_after_load.health + " " + player_after_load.mana);
                    }


                    /* JSON VERSION WORKS
                    while (reader.Read())
                    {
                        int iii = reader.GetInt32(0);    // unique id int
                        string name = reader.GetString(1);  // Name string
                        sql_load = reader.GetString(2);
                        usernames.Add(name);
                        ids.Add(iii);

                        player_after_load = JsonConvert.DeserializeObject<Player>(sql_load);
                        Console.WriteLine("SQLPlayer:  " + iii + " " + player_after_load.name + " " + player_after_load.health + " " + player_after_load.mana);
                    }
                    */
                }
            }

        } // end do_sql_string

解决方法:

我仅添加此答案,因为您说不能使用System.IO.如果可以使用System.IO,请参考DatVM的答案.这是您可以做什么的示例.我对此进行了简化,使其包括要反序列化的类,并且可以在任何控制台应用程序中运行.

using System;
using System.Xml;
using System.Xml.Serialization;

public class Player
{
    public string Name {get; set;}
}


public class Program
{
    public static void Main()
    {
        var str = "<Player><Name>Bobby</Name></Player>";
        var doc = new XmlDocument();
        var XML_serializer = new XmlSerializer(typeof(Player));
        doc.LoadXml(str);
        Player player_after_load;
        using (var nodeReader = new XmlNodeReader(doc))
        {
            player_after_load = (Player)XML_serializer.Deserialize(nodeReader);
        }
        Console.WriteLine(player_after_load.Name);

    }
}

控制台结果

Bobby

标签：deserialization,xml,sql,c
来源： https://codeday.me/bug/20191120/2040952.html