149 lines
3.3 KiB
JavaScript
149 lines
3.3 KiB
JavaScript
import projectConfig from '@/env.config.js';
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var mqtt = require('mqtt/dist/mqtt.min.js')
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var url = projectConfig.mqttServer;
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let mqttTool = {
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client: null
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}
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mqttTool.connect = function (token) {
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let options = {
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clientId: 'phone-' + Math.random().toString(16).substr(2),
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username: 'fastbee',
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password: token,
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cleanSession: true,
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keepalive: 30,
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connectTimeout: 60000,
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};
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mqttTool.client = mqtt.connect(url, options);
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// 连接成功
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mqttTool.client.on('connect', function (res) {
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console.log('mqtt连接成功');
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});
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// 重新连接
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mqttTool.client.on('reconnect', function (res) {
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console.log('mqtt重连');
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});
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// 发生错误
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mqttTool.client.on('error', function (err) {
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console.log('mqtt连接错误:', err);
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uni.showToast({
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icon: 'none',
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title: 'mqtt连接错误',
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});
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});
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// 断开连接
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mqttTool.client.on('close', function (res) {
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console.log('mqtt断开连接');
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});
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}
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mqttTool.end = function () {
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return new Promise((resolve, reject) => {
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if (mqttTool.client == null) {
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resolve('未连接')
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console.log("未连接")
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return;
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}
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mqttTool.client.end()
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mqttTool.client = null
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resolve('连接终止')
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})
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}
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mqttTool.reconnect = function () {
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return new Promise((resolve, reject) => {
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if (mqttTool.client == null) {
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// 调用resolve方法，Promise变为操作成功状态（fulfilled）
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resolve('未连接')
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console.log("未连接")
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return;
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}
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console.log('正在重连...', res);
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mqttTool.client.reconnect()
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})
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}
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mqttTool.subscribe = function (topics) {
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return new Promise((resolve, reject) => {
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if (mqttTool.client == null) {
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resolve('未连接')
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console.log("未连接")
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uni.showToast({
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icon: 'none',
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title: 'mqtt未连接',
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});
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return;
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}
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mqttTool.client.subscribe(topics, {
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qos: 0
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}, function (err, res) {
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console.log("订阅主题：", topics);
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if (!err && res.length > 0) {
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console.log("订阅成功")
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resolve('订阅成功')
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} else {
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console.log("订阅失败，主题可能已经订阅")
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resolve('订阅失败')
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return;
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}
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})
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})
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}
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mqttTool.unsubscribe = function (topics) {
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return new Promise((resolve, reject) => {
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if (mqttTool.client == null) {
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resolve('未连接')
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console.log("未连接")
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return;
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}
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mqttTool.client.unsubscribe(topics, function (err) {
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if (!err) {
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resolve('取消订阅成功')
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console.log("取消订阅成功")
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} else {
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resolve('取消订阅失败')
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console.log("取消订阅失败")
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return;
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}
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})
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})
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}
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mqttTool.publish = function (topic, message, name) {
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return new Promise((resolve, reject) => {
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if (mqttTool.client == null) {
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resolve('未连接')
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console.log("未连接")
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uni.showToast({
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icon: 'none',
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title: '已断开Mqtt连接',
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});
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return;
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}
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mqttTool.client.publish(topic, message, function (err) {
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if (!err) {
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resolve(topic + '-' + message + '-发布成功')
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console.log('发布主题：' + topic + "，内容：" + message);
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uni.showToast({
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icon: 'none',
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title: "[ " + name + " ] 指令发送成功",
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duration: 1000,
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});
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} else {
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resolve(topic + '-' + message + '-发布失败')
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console.log("发布失败")
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uni.showToast({
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icon: 'none',
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title: "[ " + name + " ] 指令发送失败",
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duration: 1000,
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});
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return;
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}
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})
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})
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}
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export default mqttTool |