shgx_tz_mes_backend_sync/ZR.Admin.WebApi/Controllers/mqtt/MqttController.cs

using Microsoft.AspNetCore.Mvc;
using MQTTnet.Protocol;
using ZR.Common.MqttHelper;
using ZR.Service.mqtt;

namespace ZR.Admin.WebApi.Controllers
{
    /// <summary>
    /// agv 相关接口
    /// </summary>

    [Route("/mqtt")]
    public class MqttController : BaseController
    {
        private readonly MqttService _mqttService;

        public MqttController(MqttService mqttService)
        {
            _mqttService = mqttService;
        }

        /// <summary>
        /// 1. 发布信息
        /// </summary>
        /// <param name="topic">主题</param>
        /// <param name="payload">信息</param>
        /// <returns></returns>

        [HttpPost("publish")]
        public async Task<IActionResult> PublishMessage(string topic, string payload)
        {
            try
            {
                // 发布消息到MQTT代理服务器
                await _mqttService.PublishAsync(
                    topic,
                    payload,
                    MqttQualityOfServiceLevel.AtLeastOnce,
                    false
                );

                return Ok("消息已发布");
            }
            catch (Exception ex)
            {
                return StatusCode(500, $"发布消息失败: {ex.Message}");
            }
        }
    }
}