添加项目文件。

HT.Cloud.Web/Areas/DevicesManage/Controllers/MetaTagController.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
+using HT.Cloud.Code;
+using HT.Cloud.Domain.ChartsManage;
+using HT.Cloud.Service;
+using Microsoft.AspNetCore.Authorization;
+using HT.Cloud.Service.DevicesManage;
+
+namespace HT.Cloud.Web.Areas.DevicesManage.Controllers
+{
+    /// <summary>
+    /// 创 建：cdl
+    /// 日 期：2023-03-01 15:05
+    /// 描 述：变量信息控制器类
+    /// </summary>
+    [Area("DevicesManage")]
+    public class MetaTagController :  BaseController
+    {
+        public MetaTagService _metaTagService { get;set;}
+
+		[HttpGet]
+		public async Task<ActionResult> GetAllNode()
+		{
+			var data = await _metaTagService.GetALLNode();
+			return Content(data);
+		}
+
+
+	}
+}