chore: 初始化北汽福田看板前端项目

2026-05-29 13:44:02 +08:00
commit 907a0103f8
40 changed files with 6316 additions and 0 deletions
--- a/src/utils/mqtt.js
+++ b/src/utils/mqtt.js
@@ -0,0 +1,104 @@
+import { v4 as uuid } from 'uuid'
+import mqtt from 'mqtt'
+export { Mqtt }
+class Mqtt {
+  constructor(config) {
+    this.connection = {
+      host: config.host,
+      port: config.port,
+      endpoint: config.endpoint || '/mqtt',
+      clean: config.clean || true,
+      connectTimeout: config.connectTimeout || 4000,
+      reconnectPeriod: config.reconnectPeriod || 4000,
+      clientId: config.clientId || uuid(),
+      username: config.username || '',
+      password: config.password || ''
+    }
+    this.client = {
+      connected: false
+    }
+  }
+  // 创建连接
+  createConnection() {
+    // 连接字符串, 通过协议指定使用的连接方式
+    // ws 未加密 WebSocket 连接
+    // wss 加密 WebSocket 连接
+    // mqtt 未加密 TCP 连接
+    // mqtts 加密 TCP 连接
+    // wxs 微信小程序连接
+    // alis 支付宝小程序连接
+    const { host, port, endpoint, ...options } = this.connection
+    const connectUrl = `ws://${host}:${port}${endpoint}`
+    try {
+      this.client = mqtt.connect(connectUrl, options)
+    } catch (error) {
+      // 连接错位、
+      this.connectError(error)
+    }
+  }
+  connectError(error) {
+    console.log('mqtt.connect error', error)
+  }
+  // 订阅主题
+  doSubscribe(subscription) {
+    const { topic, qos } = subscription
+    let subscribeSuccess = false
+    this.client.subscribe(topic, { qos }, (error, res) => {
+      if (error) {
+        subscribeSuccess = false
+        console.log('Subscribe to topics error', error)
+      } else {
+        subscribeSuccess = true
+        console.log('Subscribe to topics res', res)
+      }
+    })
+    return subscribeSuccess
+  }
+  // 取消订阅
+  doUnSubscribe(subscription) {
+    const { topic } = subscription
+    let unSubscribeSuccess = false
+    this.client.unsubscribe(topic, error => {
+      if (error) {
+        unSubscribeSuccess = false
+        console.log('Unsubscribe error', error)
+      } else {
+        unSubscribeSuccess = true
+      }
+    })
+    return unSubscribeSuccess
+  }
+  // 发送消息
+  doPublish(publish) {
+    const { topic, qos, payload } = publish
+    let doPublishSuccess = false
+    this.client.publish(topic, payload, qos, error => {
+      if (error) {
+        doPublishSuccess = false
+        console.log('Publish error', error)
+      } else {
+        doPublishSuccess = true
+      }
+    })
+    return doPublishSuccess
+  }
+  // 断开连接
+  destroyConnection() {
+    let destroyConnectionSuccess = false
+    if (this.client.connected) {
+      try {
+        this.client.end()
+        this.client = {
+          connected: false
+        }
+        destroyConnectionSuccess = true
+        console.log('Successfully disconnected!')
+      } catch (error) {
+        destroyConnectionSuccess = false
+        console.log('Disconnect failed', error.toString())
+      }
+    }
+    return destroyConnectionSuccess
+  }
+}
+