OMS.NET/DbClass/MapLayer.cs

using MySql.Data.MySqlClient;

namespace OMS.NET.DbClass
{
    public class MapLayer
    {
        #region base
        public long Id { get; set; }
        public string Type { get; set; }
        public string Members { get; set; }
        public string Structure { get; set; }
        public int Phase { get; set; }

        public MapLayer()
        {
            this.Id = 0;
            this.Type = "";
            this.Members = "";
            this.Structure = "";
            this.Phase = 1;
        }
        public MapLayer(long id, string type, string members, string structure, int phase)
        {
            Id = id;
            Type = type;
            Members = members;
            Structure = structure;
            Phase = phase;
        }

        #endregion
        public static void Add(MapLayer mapLayer)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"INSERT INTO map_0_layer (type, members, structure, phase) 
                          VALUES (@Type, @Members, @Structure, @Phase)";
            using var command = new MySqlCommand(query, connection);
            command.Parameters.AddWithValue("@Type", mapLayer.Type);
            command.Parameters.AddWithValue("@Members", mapLayer.Members);
            command.Parameters.AddWithValue("@Structure", mapLayer.Structure);
            command.Parameters.AddWithValue("@Phase", mapLayer.Phase);
            command.ExecuteNonQuery();
            mapLayer.Id = command.LastInsertedId;
        }

        public static void Update(MapLayer mapLayer)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"UPDATE map_0_layer SET type = @Type, members = @Members, structure = @Structure, phase = @Phase 
                          WHERE id = @Id";
            using var command = new MySqlCommand(query, connection);
            command.Parameters.AddWithValue("@Id", mapLayer.Id);
            command.Parameters.AddWithValue("@Type", mapLayer.Type);
            command.Parameters.AddWithValue("@Members", mapLayer.Members);
            command.Parameters.AddWithValue("@Structure", mapLayer.Structure);
            command.Parameters.AddWithValue("@Phase", mapLayer.Phase);
            command.ExecuteNonQuery();
        }

        public static void Delete(long id)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"DELETE FROM map_0_layer WHERE id = @Id";
            using var command = new MySqlCommand(query, connection);
            command.Parameters.AddWithValue("@Id", id);
            command.ExecuteNonQuery();
        }

        public static MapLayer? Get(long id)
        {
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            var query = @"SELECT id, type, members, structure, phase FROM map_0_layer WHERE id = @Id";
            using var command = new MySqlCommand(query, connection);
            command.Parameters.AddWithValue("@Id", id);
            using var reader = command.ExecuteReader();
            if (reader.Read())
            {
                return new MapLayer
                {
                    Id = reader.GetInt64("id"),
                    Type = reader.GetString("type"),
                    Members = reader.GetString("members"),
                    Structure = reader.GetString("structure"),
                    Phase = reader.GetInt32("phase")
                };
            }
            return null;
        }

        /// <summary>
        /// 获取所有MapLayer数据
        /// </summary>
        /// <returns></returns>
        public static List<MapLayer> GetMapLayerList()
        {
            List<MapLayer> mapLayerList = new();
            using MySqlConnection connection = new(GlobalArea.ConnectionStringWithDbName);
            connection.Open();
            string query = "SELECT * FROM map_0_layer";
            using var command = new MySqlCommand(query, connection);
            using var reader = command.ExecuteReader();
            if (reader.HasRows)
            {
                while (reader.Read())
                {
                    var mapLayer = new MapLayer
                    {
                        Id = reader.GetInt64("id"),
                        Type = reader.GetString("type"),
                        Members = reader.GetString("members"),
                        Structure = reader.GetString("structure"),
                        Phase = reader.GetInt32("phase")
                    };
                    mapLayerList.Add(mapLayer);
                }
            }
            return mapLayerList;
        }

        /// <summary>
        /// 指定是否将指定字段编码成base64格式 ???
        /// </summary>
        public static void ProcessMapLayers(List<MapLayer> mapLayers, bool encode = false)
        {
            mapLayers.ForEach(mapLayer =>
            {
                if (encode)
                {

                }
                else
                {

                }
            });
        }
    }
}