添加项目文件。

HT.Cloud.Service/DevicesManage/MetaTagService.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+using HT.Cloud.Code;
+using HT.Cloud.Domain.DevicesManage;
+using SqlSugar;
+
+namespace HT.Cloud.Service.DevicesManage
+{
+	/// <summary>
+	/// 创 建：cdl
+	/// 日 期：2023-03-01 15:24
+	/// 描 述：变量维护服务类
+	/// </summary>
+	public class MetaTagService : BaseService<MetaTagEntity>, IDenpendency
+	{
+		public MetaTagService(ISqlSugarClient context) : base(context)
+		{
+		}
+
+		/// <summary>
+		/// 获取服务器中设备与变量组信息树列表和子节点
+		/// </summary>
+		/// <returns></returns>
+		public async Task<string> GetALLNode()
+		{
+			var list_drive = _context.Queryable<MetaDriverEntity>().ToList();
+			var list_argument = _context.Queryable<ArgumentEntity>().ToList();
+			var list_group = _context.Queryable<MetaGroupEntity>().ToList();
+
+
+			var ts = list_drive.Select(a => new
+			{
+				title = a.DriverName,
+				id = a.DriverID,
+				children = new[] {
+					new Children
+						{
+							id = "T" + a.DriverID,
+							title = "通讯参数",
+						},
+					new Children
+					{
+						id = "B" + a.DriverID,
+						title = "变量配置",
+						children = list_group.Where(aa=>aa.DriverID == a.DriverID).Select(aa=>new Children
+						{
+							title = aa.GroupName,
+							id = aa.GroupID.ToString(),
+						}).ToList()
+
+					}
+				}.ToList()
+				//children= list_group.Where(aa=>aa.DriverID == a.DriverID).Select(aa => new
+				//{
+				//	title = aa.GroupName,
+				//	id = aa.GroupID,
+				//}).ToList()
+			}).ToList();
+
+			return ts.ToJsonNullValueHandling();
+		}
+
+		public class Children
+		{
+			public string id { get; set; }
+			public string title { get; set; }
+			public List<Children> children { get; set; }
+		}
+	}
+}