J01demo
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# #参考使用设备类型
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```
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F01PRO
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```
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##
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//app.js
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App({
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onLaunch: function () {
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}
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})
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{
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"pages": [
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"pages/index/index"
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],
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"window": {
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"navigationBarBackgroundColor": "#0082FE",
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"navigationBarTextStyle": "white",
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"navigationBarTitleText": "蓝牙连接Demo",
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"backgroundColor": "#eeeeee",
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"backgroundTextStyle": "light"
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},
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"plugins": {
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"sdkPlugin": {
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"version": "2.1.0",
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"provider": "wx17e93aad47cdae1a"
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}
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},
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"style": "v2",
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"sitemapLocation": "sitemap.json"
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}
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/**app.wxss**/
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view,
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cover-view,
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scroll-view,
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swiper,
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swiper-item,
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movable-area,
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movable-view,
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button,
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input,
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textarea,
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label,
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navigator {
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box-sizing: border-box;
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}
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page {
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--safe-bottom: env(safe-area-inset-bottom);
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}
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.container {
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position: relative;
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display: flex;
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flex-direction: column;
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align-items: center;
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width: 100vw;
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height: 100vh;
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padding-bottom: var(--safe-bottom);
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}
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.header {
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width: 100%;
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}
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.header button {
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font-size: 16px;
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line-height: 40px;
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width: 100% !important;
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border-bottom: 1px solid #dfdfdf;
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}
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.device_item {
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padding: 15px;
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border-bottom: 1px solid #dfdfdf;
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}
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.weight {
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width: 100%;
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margin: 15px;
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padding-bottom: 15px;
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text-align: center;
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font-size: 18px;
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font-weight: 700;
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border-bottom: 1px solid #dfdfdf;
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}
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const util = require("../../utils/util");
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const {
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inArray,
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ab2hex
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} = util
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const plugin = requirePlugin("sdkPlugin").AiLink;
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Page({
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data: {
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devices: [],
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connected: false,
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cmd: '',
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name: '',
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weight: "",
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height: "",
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text: "",
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imp: "",
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uuid1: "",
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uuid2: "",
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uuid3: "",
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deviceId: null,
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},
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onLoad: function() {},
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// 初始化蓝牙模块
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openBluetoothAdapter() {
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wx.openBluetoothAdapter({
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success: (res) => {
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console.log('openBluetoothAdapter success', res)
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wx.showToast({
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title: '蓝牙连接中',
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icon: "none"
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})
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this.startBluetoothDevicesDiscovery()
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},
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fail: (res) => {
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if (res.errCode === 10001) {
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wx.showToast({
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title: '请打开蓝牙',
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icon: "none"
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})
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// 监听本机蓝牙状态变化的事件
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wx.onBluetoothAdapterStateChange((res) => {
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console.log('onBluetoothAdapterStateChange', res)
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if (res.available) {
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this.startBluetoothDevicesDiscovery()
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}
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})
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}
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}
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})
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},
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// 开始搜寻附近的蓝牙外围设备
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startBluetoothDevicesDiscovery() {
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if (this._discoveryStarted) {
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return
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}
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this._discoveryStarted = true
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wx.startBluetoothDevicesDiscovery({
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allowDuplicatesKey: true,
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interval: 1000, //上报设备的间隔
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services: [
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"FFE0",
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],
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success: (res) => {
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console.log('startBluetoothDevicesDiscovery success', res)
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this.onBluetoothDeviceFound()
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},
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})
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},
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// 停止搜寻附近的蓝牙外围设备
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stopBluetoothDevicesDiscovery() {
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wx.stopBluetoothDevicesDiscovery()
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},
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// 找到新设备的事件
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onBluetoothDeviceFound() {
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wx.onBluetoothDeviceFound((res) => {
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res.devices.forEach(device => {
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if (!device.name && !device.localName) {
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return
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}
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if (device.name.indexOf('AiLink_') != -1) {
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wx.stopBluetoothDevicesDiscovery() //搜索到名称为“AiLink_”的蓝牙后，停止搜寻附近的蓝牙
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const foundDevices = this.data.devices
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const idx = inArray(foundDevices, 'deviceId', device.deviceId)
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const data = {}
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let buff = device.advertisData.slice(-6)
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device.mac = new Uint8Array(buff) // 保存广播数据中的mac地址，这是由于iOS不直接返回mac地址
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let tempMac = Array.from(device.mac)
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tempMac.reverse()
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device.macAddr = ab2hex(tempMac, ':').toUpperCase()
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if (idx === -1) {
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data[`devices[${foundDevices.length}]`] = device
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} else {
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data[`devices[${idx}]`] = device
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}
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this.setData(data)
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}
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})
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})
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},
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// 连接低功耗蓝牙设备
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createBLEConnection(e) {
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wx.showLoading({
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title: '连接中',
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})
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const ds = e.currentTarget.dataset
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const index = ds.index
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this._device = this.data.devices[index]
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const deviceId = ds.deviceId
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const name = ds.name
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this.mac = ds.mac
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wx.createBLEConnection({
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deviceId,
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success: (res) => {
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this.setData({
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connected: true,
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name,
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deviceId,
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})
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console.log("createBLEConnection:success")
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this.onBLEConnectionStateChange()
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this.getBLEDeviceServices(deviceId)
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},
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fail: res => {
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wx.hideLoading()
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wx.showToast({
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title: '连接失败',
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icon: 'none'
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})
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}
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})
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},
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//监听蓝牙连接状态
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onBLEConnectionStateChange() {
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wx.onBLEConnectionStateChange((res) => {
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if (!res.connected) {
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setTimeout(() => {
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wx.showToast({
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title: '连接已断开',
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icon: 'none'
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})
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}, 500)
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this.setData({
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connected: false,
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devices: [],
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weight: "",
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height: "",
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text: "",
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imp: ""
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})
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}
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})
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},
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// 获取蓝牙设备的 serviceId
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getBLEDeviceServices(deviceId) {
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wx.getBLEDeviceServices({
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deviceId,
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success: (res) => {
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for (let i = 0; i < res.services.length; i++) {
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if (res.services[i].isPrimary && res.services[i].uuid.indexOf('FFE0') > -1) {
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wx.showLoading({
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title: '获取设备的UUID成功',
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})
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this.getBLEDeviceCharacteristics(deviceId, res.services[i].uuid)
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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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},
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// 获取蓝牙设备某个服务中所有特征值(characteristic)
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/**
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* read: true读,write: true写,notify: true广播
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*/
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getBLEDeviceCharacteristics(deviceId, serviceId) {
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let that = this
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that._deviceId = deviceId
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that._serviceId = serviceId
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that._device.serviceId = serviceId
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function PrefixZero(num, n) {
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return (Array(n).join(0) + num).slice(-n);
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}
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wx.hideLoading()
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wx.getBLEDeviceCharacteristics({
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deviceId,
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serviceId,
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success: (res) => {
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console.log('getBLEDeviceCharacteristics success', res.characteristics)
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// 初始化插件
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plugin.initPlugin(res.characteristics, that._device)
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wx.onBLECharacteristicValueChange((characteristic) => {
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let bleData = plugin.parseBleData(characteristic.value)
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let dw1 = "kg"
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if (bleData.status == 0) {
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console.log("握手成功", arr)
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} else if (bleData.status == 1) {
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let payload = ab2hex(bleData.data, '')
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let type = payload.substring(0, 2)
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let typeInfo = payload.substring(4, 6)
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console.log("payload", payload)
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if (type == "10" || type == "30" || type == "40") { //体脂模式
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let data = parseInt(payload.substring(6, 12), 16)
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let msg = parseInt(payload.substring(12, 14), 16).toString(2)
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let dw = PrefixZero(msg, 8).substring(4, 8)
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let num = PrefixZero(msg, 8).substring(0, 4)
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if (dw == "0001") {
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dw1 = '斤'
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}
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if (dw == "0110") {
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dw1 = 'lb'
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}
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if (num == "0001") {
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data = data / 10
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}
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if (num == "0010") {
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data = data / 100
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}
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if (num == "0011") {
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data = data / 1000
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}
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if (typeInfo == "01") {
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that.setData({
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weight: "实时体重是：" + data + dw1
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})
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}
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if (typeInfo == "02") {
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that.setData({
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weight: "稳定体重是：" + data + dw1
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})
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}
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}
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if (type == "14" || type == "41") { //身高模式
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let height = parseInt(payload.substring(4, 8), 16)
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let numH = parseInt(payload.substring(10, 12), 16)
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if (numH == "1") {
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height = height / 10
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}
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if (numH == "2") {
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height = height / 100
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}
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that.setData({
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height: "身高是：" + height
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})
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}
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if (type == "11") { //阻抗模式
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if (typeInfo == "03" || typeInfo == "04") {
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let imp = parseInt(payload.substring(8, 16), 16)
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console.log("imp", payload, imp)
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that.setData({
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imp: "阻抗值：" + imp
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})
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}
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}
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}
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})
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},
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fail(res) {
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console.error('getBLEDeviceCharacteristics', res)
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}
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})
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},
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/**
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* 断开蓝牙模块
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*/
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closeBluetoothAdapter() {
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wx.closeBluetoothAdapter()
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this._discoveryStarted = false
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wx.showToast({
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title: '断开蓝牙模块',
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icon: 'none'
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})
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this.setData({
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devices: [],
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weight: "",
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height: "",
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text: "",
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imp: ""
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})
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},
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// 断开与低功耗蓝牙设备的连接
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closeBLEConnection() {
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wx.closeBLEConnection({
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deviceId: this._deviceId
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})
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wx.showToast({
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title: '断开蓝牙连接',
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icon: 'none'
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})
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this.setData({
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connected: false,
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devices: [],
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text: "",
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height: "",
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weight: "",
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imp: ""
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})
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},
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});
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{
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"usingComponents": {
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}
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}
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<wxs module="utils">
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module.exports.max = function(n1, n2) {
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return Math.max(n1, n2)
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}
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module.exports.len = function(arr) {
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arr = arr || []
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return arr.length
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}
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</wxs>
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<view class="container">
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<view class="header">
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<button bindtap="openBluetoothAdapter">开始扫描</button>
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<button bindtap="stopBluetoothDevicesDiscovery">停止扫描</button>
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<button bindtap="closeBluetoothAdapter">结束流程</button>
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</view>
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<view class="weight">
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<view>{{weight}}</view>
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<view>{{height}}</view>
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<view>{{imp}}</view>
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<view>{{text}}</view>
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</view>
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<view class="devices_summary">已发现 {{devices.length}} 个外围设备：</view>
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<scroll-view class="device_list" scroll-y scroll-with-animation>
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<view wx:for="{{devices}}" wx:key="index" data-device-id="{{item.deviceId}}"
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data-name="{{item.name || item.localName}}" data-mac="{{item.mac}}" data-index="{{index}}"
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bindtap="createBLEConnection" class="device_item" hover-class="device_item_hover">
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<view style="font-size: 32rpx;">
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<text style="color:#000;font-weight:bold">{{item.name}}</text>
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<text style="font-size:26rpx">（信号强度: {{item.RSSI}}dBm）</text>
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</view>
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<view style="font-size: 26rpx">mac地址: {{item.macAddr || item.deviceId}}</view>
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<!-- <view style="font-size: 26rpx">广播数据：{{item.analyzeDataText}}</view> -->
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</view>
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</scroll-view>
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</view>
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{
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"description": "项目配置文件，详见文档：https://developers.weixin.qq.com/miniprogram/dev/devtools/projectconfig.html",
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"setting": {
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"urlCheck": true,
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"es6": false,
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"enhance": true,
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"postcss": true,
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"preloadBackgroundData": false,
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"minified": true,
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"newFeature": false,
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"coverView": true,
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"nodeModules": false,
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"autoAudits": false,
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"showShadowRootInWxmlPanel": true,
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"scopeDataCheck": false,
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"uglifyFileName": false,
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"checkInvalidKey": true,
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||||
"checkSiteMap": true,
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||||
"uploadWithSourceMap": true,
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||||
"compileHotReLoad": false,
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"lazyloadPlaceholderEnable": false,
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"useMultiFrameRuntime": true,
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"useApiHook": true,
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||||
"useApiHostProcess": true,
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"babelSetting": {
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"ignore": [],
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"disablePlugins": [],
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"outputPath": ""
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},
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||||
"useIsolateContext": true,
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"userConfirmedBundleSwitch": false,
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"packNpmManually": false,
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"packNpmRelationList": [],
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"minifyWXSS": true,
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||||
"disableUseStrict": false,
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"minifyWXML": true,
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"showES6CompileOption": false,
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||||
"useCompilerPlugins": false,
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||||
"ignoreUploadUnusedFiles": true,
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||||
"condition": false
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||||
},
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"compileType": "miniprogram",
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"simulatorType": "wechat",
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"simulatorPluginLibVersion": {},
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"projectname": "bluetooth_demo_F01",
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"libVersion": "2.23.2",
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"appid": "wx39cf431caa22b5c8",
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"editorSetting": {
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"tabIndent": "insertSpaces",
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"tabSize": 2
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},
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"condition": {},
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||||
"packOptions": {
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||||
"ignore": [],
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||||
"include": []
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||||
}
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||||
}
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|
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{
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"description": "项目私有配置文件。此文件中的内容将覆盖 project.config.json 中的相同字段。项目的改动优先同步到此文件中。详见文档：https://developers.weixin.qq.com/miniprogram/dev/devtools/projectconfig.html",
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"projectname": "bluetooth_demo_F01"
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}
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{
|
||||
"desc": "关于本文件的更多信息，请参考文档 https://developers.weixin.qq.com/miniprogram/dev/framework/sitemap.html",
|
||||
"rules": [{
|
||||
"action": "allow",
|
||||
"page": "*"
|
||||
}]
|
||||
}
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
function inArray(arr, key, val) {
|
||||
if (!arr || !arr.length || typeof arr != 'object' || !Array.isArray(arr)) {
|
||||
return -1
|
||||
}
|
||||
for (let i = 0; i < arr.length; i++) {
|
||||
if (!key) {
|
||||
if (arr[i] == val) {
|
||||
return i
|
||||
}
|
||||
} else if (arr[i][key] === val) {
|
||||
return i
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
// ArrayBuffer转16进度字符串示例
|
||||
function ab2hex(buffer, split) {
|
||||
var hexArr = Array.prototype.map.call(
|
||||
new Uint8Array(buffer),
|
||||
function(bit) {
|
||||
return ('00' + bit.toString(16)).slice(-2)
|
||||
}
|
||||
)
|
||||
return hexArr.join(split);
|
||||
}
|
||||
module.exports = {
|
||||
inArray,
|
||||
ab2hex,
|
||||
}
|
||||
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Reference in New Issue