添加大棚后更新订阅主题

App.vue

@@ -3,10 +3,6 @@ import config from './config'
 import { getToken } from '@/utils/auth'
 import mqttUtil from '@/utils/mqtt'
 import {startMqttOnlinePing, stopMqttOnlinePing} from "./utils/mqtt";
-import {batchSubscribe} from "./api/system/mqtt";
-import store from "store";
-import {listAgri} from "./api/system/assets/agri";
-
 export default {
   subscribeList:[],
   globalData: {
@@ -123,27 +119,7 @@ export default {
         console.error('MQTT连接失败')
         return
       }
-      var clientId = mqttUtil.getMqttState().clientId;
+      mqttUtil.updateSubscribeTopic();
-      this.getSubscribeImei(clientId).then(res=>{
-        console.info("subscribeList",res)
-        const subscribeList = res;
-        this.globalData.mqtt.subscribeList = subscribeList || []
-        batchSubscribe({clientId: clientId}).then((result) => {
-          if (result.code === 200) {
-            console.info(`设备列表订阅成功：${subscribeList}`)
-          }
-        })
-
-        // ========== 新增：登录成功时同步到localStorage ==========
-        uni.setStorageSync('mqtt_subscribe_list', subscribeList || [])
-
-        if (subscribeList.length > 0) {
-          mqttUtil.updateSubscribeList(subscribeList)
-          console.log('恢复MQTT订阅列表：', subscribeList)
-          // ========== 新增：恢复订阅后同步到localStorage ==========
-          uni.setStorageSync('mqtt_subscribe_list', subscribeList)
-        }
-      })
     },
     loginSuccess(token) {
       this.globalData.mqtt.hasLogin = true
@@ -163,21 +139,6 @@ export default {
       uni.removeStorageSync('mqtt_subscribe_list')
       console.log('登出成功，MQTT已断开')
     },
-
-    getSubscribeImei(clientId) {
-      return listAgri().then(response => {
-        const subscribeList = [];
-          if (response.code === 200) {
-            response.rows.forEach(item =>
-                subscribeList.push(`frontend/${clientId}/dtu/${item.imei}/+`)
-            );
-            if (store.getters && store.getters.name === 'admin') {
-              subscribeList.push(`frontend/${clientId}/dtu/862538065276061/+`)
-            }
-          }
-          return subscribeList;
-      })
-    },
     // token过期处理逻辑（核心）
     handleTokenExpired() {
 

components/addAgri/addAgri.vue

@@ -35,6 +35,9 @@
 <script>
 import UniPopup from "../../uni_modules/uni-popup/components/uni-popup/uni-popup.vue";
 import {addAgriMobile} from "../../api/system/assets/agri";
+import {updateSubscribeTopic} from "../../utils/mqtt";
+import {batchUnsubscribe} from "../../api/system/mqtt";
+import * as mqttUtil from "../../utils/mqtt";
 
 export default {
   name: "addAgri",
@@ -98,6 +101,11 @@ export default {
                 // 4. 只有用户点击弹窗的“确定”后，才执行后续操作
                 if (res.confirm) {
                   this.$emit("reload"); // 向父组件传值触发刷新
+                  batchUnsubscribe({clientId: mqttUtil.getMqttState().clientId}).then(response => {
+                    if (response.code === 200) {
+                      updateSubscribeTopic();
+                    }
+                  })
                   this.close(); // 关闭添加大棚的弹窗（移到这里）
                 }
               }

utils/mqtt.js

@@ -10,8 +10,10 @@
 
 // 微信小程序端：引入适配小程序的 mqtt 版本
 import mqtt from 'mqtt/dist/mqtt'
-import {batchUnsubscribe} from "../api/system/mqtt";
+import {batchSubscribe, batchUnsubscribe} from "../api/system/mqtt";
 import {getToken} from "./auth";
+import {listAgri} from "../api/system/assets/agri";
+import store from "../store";
 
 // ===================== MQTT配置（暂时写死，TODO：后续从数据字典获取）=====================
 const MQTT_CONFIG = {
@@ -44,7 +46,7 @@ const mqttState = {
  */
 export function initMqttConfig() {
     if (mqttState.client) {
-        console.info("重连前强制断开",mqttState.options.clientId)
+        console.info("重连前强制断开", mqttState.options.clientId)
         // 加try-catch，避免断开时客户端已异常导致报错
         try {
             mqttState.client.end(true)
@@ -61,7 +63,7 @@ export function initMqttConfig() {
         console.log('MQTT配置初始化成功，clientId：', mqttState.options.clientId)
         return true
     } catch (err) {
-        uni.showToast({ title: '设备连接异常-设备初始化失败', icon: 'none', duration: 2000 })
+        uni.showToast({title: '设备连接异常-设备初始化失败', icon: 'none', duration: 2000})
         console.error('MQTT配置初始化失败：', err)
         return false
     }
@@ -74,12 +76,12 @@ export function initMqttConfig() {
 export function connectMqtt() {
     // 前置校验：是否已初始化配置
     if (!mqttState.options.clientId) {
-        uni.showToast({ title: '设备连接失败', icon: 'none' })
+        uni.showToast({title: '设备连接失败', icon: 'none'})
         console.error('MQTT连接失败：请先调用initMqttConfig初始化配置')
         return false
     }
     // 避免重复连接
-    if (mqttState.client!=null) {
+    if (mqttState.client != null) {
         console.log('MQTT已连接，无需重复操作')
         return true
     }
@@ -89,12 +91,12 @@ export function connectMqtt() {
         // #ifndef MP-WEIXIN
         MQTT_CONFIG.server = 'wxs://mq.xiaoces.com:443/mqtt'
         // #endif
-        console.info("mqttState.connect",mqttState)
+        console.info("mqttState.connect", mqttState)
         mqttState.client = mqtt.connect(MQTT_CONFIG.server, mqttState.options)
         console.info("重连中。。")
         // 监听核心事件（异步，同步更新状态）
         mqttState.client.on('connect', () => {
-            console.log('MQTT连接成功',mqttState.options.clientId)
+            console.log('MQTT连接成功', mqttState.options.clientId)
             mqttState.isConnected = true
             // 连接成功后自动订阅全局列表
             subscribeAllTopics()
@@ -102,7 +104,7 @@ export function connectMqtt() {
 
         mqttState.client.on('close', () => {
             if (getToken()) {
-                batchUnsubscribe({clientId:mqttState.options.clientId}).then(response => {
+                batchUnsubscribe({clientId: mqttState.options.clientId}).then(response => {
                     if (response.code === 200) {
                         console.info("取消订阅成功！")
                     }
@@ -113,7 +115,7 @@ export function connectMqtt() {
         })
 
         mqttState.client.on('error', (err) => {
-            uni.showToast({ title: '设备连接异常', icon: 'none' })
+            uni.showToast({title: '设备连接异常', icon: 'none'})
             console.error('MQTT连接错误：', err)
             mqttState.isConnected = false
         })
@@ -129,7 +131,7 @@ export function connectMqtt() {
 
         return true
     } catch (err) {
-        uni.showToast({ title: '设备连接异常', icon: 'none' })
+        uni.showToast({title: '设备连接异常', icon: 'none'})
         console.error('MQTT连接创建失败：', err)
         mqttState.isConnected = false
         return false
@@ -164,7 +166,7 @@ export function removeOnMessageCallback() {
  */
 export function updateSubscribeList(list) {
     if (!Array.isArray(list)) {
-        uni.showToast({ title: '设备订阅更新异常', icon: 'none' })
+        uni.showToast({title: '设备订阅更新异常', icon: 'none'})
         console.error('订阅列表必须是数组')
         return false
     }
@@ -183,15 +185,15 @@ export function updateSubscribeList(list) {
  * 内部方法：订阅所有全局主题
  */
 function subscribeAllTopics() {
-    const { isConnected, client, subscribeList } = mqttState
+    const {isConnected, client, subscribeList} = mqttState
     if (!isConnected || !client || subscribeList.length === 0) {
         console.warn('MQTT订阅跳过：未连接或列表为空')
         return
     }
 
-    client.subscribe(subscribeList, { qos: 0 }, (err) => {
+    client.subscribe(subscribeList, {qos: 0}, (err) => {
         if (err) {
-            uni.showToast({ title: '设备订阅异常', icon: 'none' })
+            uni.showToast({title: '设备订阅异常', icon: 'none'})
             console.error('MQTT订阅失败：', err)
         } else {
             console.log(`MQTT成功订阅：${subscribeList.join(', ')}`)
@@ -207,14 +209,14 @@ function subscribeAllTopics() {
  */
 export function publishMqtt(topic, message) {
     // if (process.env.NODE_ENV === "production") {
-        const { isConnected, client } = mqttState
+    const {isConnected, client} = mqttState
     if (!isConnected || !client) {
-            uni.showToast({ title: '控制异常', icon: 'none' })
+        uni.showToast({title: '控制异常', icon: 'none'})
         console.error('MQTT发布失败：未连接')
         return false
     }
     if (!topic) {
-            uni.showToast({ title: '控制异常', icon: 'none' })
+        uni.showToast({title: '控制异常', icon: 'none'})
         console.error('MQTT发布失败：主题为空')
         return false
     }
@@ -223,7 +225,7 @@ export function publishMqtt(topic, message) {
         const msg = typeof message === 'object' ? JSON.stringify(message) : String(message)
         client.publish(topic, msg, (err) => {
             if (err) {
-                    uni.showToast({ title: '控制异常', icon: 'none' })
+                uni.showToast({title: '控制异常', icon: 'none'})
                 console.error(`MQTT发布失败：topic=${topic}，err=${err}`)
             } else {
                 console.log(`MQTT发布成功：topic=${topic}，message=${msg}`)
@@ -231,7 +233,7 @@ export function publishMqtt(topic, message) {
         })
         return true
     } catch (err) {
-            uni.showToast({ title: '控制异常', icon: 'none' })
+        uni.showToast({title: '控制异常', icon: 'none'})
         console.error('MQTT发布异常：', err)
         return false
     }
@@ -249,7 +251,7 @@ export function disconnectMqtt() {
         return true
     }
     if (getToken()) {
-        batchUnsubscribe({clientId:mqttState.options.clientId}).then(response => {
+        batchUnsubscribe({clientId: mqttState.options.clientId}).then(response => {
             if (response.code === 200) {
                 console.info("取消订阅成功！")
             }
@@ -261,7 +263,7 @@ export function disconnectMqtt() {
         console.log('MQTT连接已断开')
         return true
     } catch (err) {
-        uni.showToast({ title: '设备通信异常', icon: 'none' })
+        uni.showToast({title: '设备通信异常', icon: 'none'})
         console.error('MQTT断开失败：', err)
         return false
     }
@@ -292,7 +294,6 @@ export function getMqttState() {
 }
 
 
-
 // utils/mqttOnline.js
 let timer = null;
 
@@ -305,11 +306,12 @@ export function startMqttOnlinePing(intervalMs = 20000) {
     const ping = () => {
         try {
             if (!mqttState.client.connected) return;
-            const payload = JSON.stringify({ ts: Date.now() });
+            const payload = JSON.stringify({ts: Date.now()});
             // qos=0 足够；retain 不要
-            mqttState.client.publish(topic, payload, { qos: 0, retain: false });
+            mqttState.client.publish(topic, payload, {qos: 0, retain: false});
             // console.info(`主题：${topic}：${payload}`)
-        } catch (e) {}
+        } catch (e) {
+        }
     };
 
     ping();
@@ -325,6 +327,60 @@ export function stopMqttOnlinePing() {
 }
 
 
+/**
+ * 更新MQTT订阅主题（无返回值、不用async、纯回调实现）
+ */
+export function updateSubscribeTopic() {
+    const subscribeList = [];
+    // 初始化clientId，空值保护
+    let clientId = mqttState.options?.clientId || '';
+    if (!clientId) {
+        throw new Error('MQTT clientId 为空，无法生成订阅主题');
+    }
+    // 1. 获取设备列表（纯.then/.catch回调）
+    listAgri().then(response => {
+        if (response.code === 200) {
+
+            // 生成设备订阅主题（校验imei非空）
+            response.rows.forEach(item => {
+                if (item?.imei) {
+                    subscribeList.push(`frontend/${clientId}/dtu/${item.imei}/+`);
+                }
+            });
+            // 管理员额外订阅指定设备
+            if (store.getters && store.getters.name === 'admin') {
+                subscribeList.push(`frontend/${clientId}/dtu/862538065276061/+`);
+            }
+
+            // 有订阅主题时执行批量订阅
+            if (subscribeList.length > 0) {
+                // 2. 批量订阅（链式.then保证执行顺序）
+                batchSubscribe({clientId})
+                    .then(result => {
+                        if (result.code === 200) {
+                            console.info(`设备列表订阅成功：${subscribeList}`);
+                            // 更新订阅列表+同步本地存储
+                            updateSubscribeList(subscribeList);
+                            uni.setStorageSync('mqtt_subscribe_list', subscribeList);
+                            console.log('恢复MQTT订阅列表：', subscribeList);
+                        } else {
+                            console.error(`批量订阅失败，返回码：${result.code}`);
+                        }
+                    })
+                    .catch(batchErr => {
+                        console.error('批量订阅失败：', batchErr.message);
+                    });
+            } else {
+                console.warn('无可用的订阅主题，跳过订阅操作');
+            }
+        } else {
+            console.error(`获取设备列表失败，返回码：${response.code}`);
+        }
+    }).catch(error => {
+        console.error('更新MQTT订阅主题失败：', error.message);
+    });
+}
+
 // 导出所有方法（全局调用）
 export default {
     initMqttConfig,
@@ -332,6 +388,7 @@ export default {
     setOnMessageCallback,
     removeOnMessageCallback,
     updateSubscribeList,
+    updateSubscribeTopic,
     publishMqtt,
     disconnectMqtt,
     getMqttState