温度看板搭建示例

IOT_API/Controllers/Inspection/DeviceDashboardController.cs

@@ -1,14 +1,41 @@
 using Microsoft.AspNetCore.Mvc;
+using Service.Interface;
 
 namespace WebAPI.Controllers
 {
     /// <summary>
-    /// 设备看板
+    /// 设备看板（温湿度）
     /// </summary>
     [ApiController]
     [Route("api/inspection/dashboard")]
     public class DeviceDashboardController : ControllerBase
     {
-        // TODO: 实现 设备看板 相关接口
+        private readonly IDeviceDashboardService _dashboardService;
+
+        public DeviceDashboardController(IDeviceDashboardService dashboardService)
+        {
+            _dashboardService = dashboardService;
+        }
+
+        /// <summary>
+        /// 获取所有环境箱的最新温湿度数据（看板卡片，前端轮询调用）
+        /// </summary>
+        [HttpGet("realtime")]
+        public async Task<IActionResult> GetRealtime()
+        {
+            return Ok(await _dashboardService.GetRealtimeAsync());
+        }
+
+        /// <summary>
+        /// 获取指定环境箱最近 N 分钟的温湿度曲线数据
+        /// </summary>
+        /// <param name="deviceCode">设备标识，如 BOX-001</param>
+        /// <param name="minutes">最近多少分钟，默认 5，最大 60</param>
+        [HttpGet("curve")]
+        public async Task<IActionResult> GetCurve([FromQuery] string deviceCode, [FromQuery] int minutes = 5)
+        {
+            minutes = Math.Clamp(minutes, 1, 60);
+            return Ok(await _dashboardService.GetCurveAsync(deviceCode, minutes));
+        }
     }
 }

IOT_API/Program.cs

@@ -1,6 +1,7 @@
 using Common;
 using ORM;
 using System.Text.Json;
+using WebAPI.Services;
 
 namespace WebAPI
 {
@@ -41,6 +42,9 @@ namespace WebAPI
             // 自动注册业务服务（Service.Interface -> Service.Implement）
             builder.Services.AddBusinessServices();
 
+            // 温度箱模拟数据：每秒生成 100 条温湿度入库（真实设备接入后删除）
+            builder.Services.AddHostedService<TemperatureBoxSimulator>();
+
             builder.Services.AddEndpointsApiExplorer();
             builder.Services.AddSwaggerGen();
 
@@ -53,7 +57,9 @@ namespace WebAPI
                 app.UseSwaggerUI();
             }
 
-            app.UseHttpsRedirection();
+            // 关闭 Https 重定向：开启时会把 http 请求 307 到 https 端口，
+            // 导致前端 vite 代理被 CORS 拦截（Network Error）；上位机/现场部署通常也只用 http
+            // app.UseHttpsRedirection();
 
             app.UseAuthorization();
 

IOT_API/Services/TemperatureBoxSimulator.cs

@@ -0,0 +1,82 @@
+using Model.Entity;
+using ORM;
+
+namespace WebAPI.Services
+{
+    /// <summary>
+    /// 温度箱数据模拟器（临时用）
+    /// 每秒为 100 台环境箱生成一条模拟温湿度数据并批量写入数据库，
+    /// 真实设备接入后删除此类及 Program.cs 中的注册即可
+    /// </summary>
+    public class TemperatureBoxSimulator : BackgroundService
+    {
+        private const int DeviceCount = 100;
+        private const double AlarmTemp = 80.0;   // 高温报警阈值
+        private static readonly Random Rnd = new();
+
+        // 每台设备维护一份模拟状态（随机游走需要基于上一次的值）
+        private class BoxState
+        {
+            public double Temperature = Rnd.Next(20, 60);
+            public double Humidity = Rnd.Next(30, 70);
+        }
+
+        private readonly Dictionary<string, BoxState> _states = new();
+
+        public TemperatureBoxSimulator()
+        {
+            for (int i = 1; i <= DeviceCount; i++)
+            {
+                _states[$"BOX-{i:D3}"] = new BoxState();
+            }
+        }
+
+        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+        {
+            while (!stoppingToken.IsCancellationRequested)
+            {
+                try
+                {
+                    var now = DateTime.Now;
+                    var batch = new List<TemperatureBoxDataEntity>(DeviceCount);
+
+                    foreach (var kv in _states)
+                    {
+                        var s = kv.Value;
+                        // 随机游走，让曲线平滑连续
+                        s.Temperature = Math.Clamp(s.Temperature + (Rnd.NextDouble() - 0.48) * 2, 15, 95);
+                        s.Humidity = Math.Clamp(s.Humidity + (Rnd.NextDouble() - 0.5) * 3, 20, 90);
+
+                        bool alarm = s.Temperature >= AlarmTemp;
+                        batch.Add(new TemperatureBoxDataEntity
+                        {
+                            DeviceCode = kv.Key,
+                            DeviceType = "TemperatureBox",
+                            DeviceTemperature = Math.Round(s.Temperature, 1),
+                            DeviceHumidity = Math.Round(s.Humidity, 1),
+                            Status = alarm ? "报警" : "运行",
+                            AlarmInfo = alarm ? "温度超限报警" : "",
+                            CreateTime = now
+                        });
+                    }
+
+                    // 批量插入
+                    await SqlSugarContext.DbContext.Insertable(batch).ExecuteCommandAsync();
+                }
+                catch (Exception ex)
+                {
+                    Console.WriteLine($"[温度箱模拟器] 写入失败: {ex.Message}");
+                }
+
+                try
+                {
+                    await Task.Delay(1000, stoppingToken);
+                }
+                catch (TaskCanceledException)
+                {
+                    break;
+                }
+            }
+        }
+    }
+}