feat: 增加自动重连功能

app/src/main/mqtt-manager.js

@@ -110,6 +110,9 @@ class MqttManager {
         password: '',
         keepAlive: 60,
         cleanSession: true,
+        connectTimeout: 10000,
+        reconnect: true,
+        reconnectInterval: 5000,
         status: 'disconnected',
         topics: [
           { id: 'topic_default_001', topic: 'sensor/+/temperature', qos: 1, subscribed: false },
@@ -175,6 +178,9 @@ class MqttManager {
       password: config.password || '',
       keepAlive: config.keepAlive || 60,
       cleanSession: config.cleanSession !== false,
+      connectTimeout: config.connectTimeout ?? 10000,
+      reconnect: config.reconnect !== false,
+      reconnectInterval: config.reconnectInterval ?? 5000,
       status: 'disconnected',
       topics: [],
     };
@@ -205,6 +211,9 @@ class MqttManager {
       username: config.username || '',
       keepAlive: config.keepAlive || 60,
       cleanSession: config.cleanSession !== false,
+      connectTimeout: config.connectTimeout ?? server.connectTimeout ?? 10000,
+      reconnect: config.reconnect !== false,
+      reconnectInterval: config.reconnectInterval ?? server.reconnectInterval ?? 5000,
     });
 
     if (config.password) {
@@ -254,8 +263,8 @@ class MqttManager {
       password: server.password || undefined,
       keepalive: server.keepAlive,
       clean: server.cleanSession,
-      reconnectPeriod: 5000,
+      reconnectPeriod: 0,
-      connectTimeout: 10000,
+      connectTimeout: server.connectTimeout,
     };
 
     try {
@@ -265,6 +274,8 @@ class MqttManager {
       client.on('connect', () => {
         server.status = 'connected';
         this.notify('status-change', { id, status: 'connected' });
+        // 只在首次连接成功后，再根据配置启用自动重连
+        client.options.reconnectPeriod = server.reconnect ? server.reconnectInterval : 0;
         // 自动订阅已有主题
         server.topics.forEach((t) => {
           this._doSubscribe(id, t.topic, { qos: t.qos });

app/src/renderer/src/components/ServerModal.vue

@@ -1,6 +1,6 @@
 <script setup>
 import { ref, watch } from 'vue';
-import { NModal, NForm, NFormItem, NGrid, NFormItemGi, NInput, NInputNumber, NSelect, NSwitch, NButton, useMessage } from 'naive-ui';
+import { NModal, NForm, NGrid, NFormItemGi, NInput, NInputNumber, NSelect, NSwitch, NButton, useMessage } from 'naive-ui';
 import { useMqttStore } from '../stores/mqtt.js';
 
 const props = defineProps({
@@ -24,6 +24,9 @@ const form = ref({
   password: '',
   keepAlive: 60,
   cleanSession: true,
+  connectTimeout: 10000,
+  reconnect: true,
+  reconnectInterval: 5000,
 });
 
 const rules = {
@@ -57,6 +60,9 @@ watch(
           password: '',
           keepAlive: props.editServer.keepAlive || 60,
           cleanSession: props.editServer.cleanSession !== false,
+          connectTimeout: props.editServer.connectTimeout ?? 10000,
+          reconnect: props.editServer.reconnect !== false,
+          reconnectInterval: props.editServer.reconnectInterval ?? 5000,
         };
       } else {
         isEdit.value = false;
@@ -70,6 +76,9 @@ watch(
           password: '',
           keepAlive: 60,
           cleanSession: true,
+          connectTimeout: 10000,
+          reconnect: true,
+          reconnectInterval: 5000,
         };
       }
     }
@@ -187,9 +196,42 @@ async function handleSave() {
           />
         </n-form-item-gi>
       </n-grid>
-      <n-form-item label="Clean Session">
+      <n-grid
-        <n-switch v-model:value="form.cleanSession" />
+        :cols="2"
-      </n-form-item>
+        :x-gap="12"
+      >
+        <n-form-item-gi label="Clean Session">
+          <n-switch v-model:value="form.cleanSession" />
+        </n-form-item-gi>
+        <n-form-item-gi label="自动重连">
+          <n-switch v-model:value="form.reconnect" />
+        </n-form-item-gi>
+        <n-form-item-gi
+          label="连接超时 (毫秒)"
+          path="connectTimeout"
+        >
+          <n-input-number
+            v-model:value="form.connectTimeout"
+            :min="1000"
+            :max="120000"
+            :step="1000"
+            style="width: 100%"
+          />
+        </n-form-item-gi>
+        <n-form-item-gi
+          label="重连间隔 (毫秒)"
+          path="reconnectInterval"
+        >
+          <n-input-number
+            v-model:value="form.reconnectInterval"
+            :min="1000"
+            :max="300000"
+            :step="1000"
+            :disabled="!form.reconnect"
+            style="width: 100%"
+          />
+        </n-form-item-gi>
+      </n-grid>
     </n-form>
     <template #footer>
       <div style="display: flex; justify-content: flex-end; gap: 8px">