111 lines
3.3 KiB
TypeScript
111 lines
3.3 KiB
TypeScript
import { lefuService } from '../../lefu/index'
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import type { ScannedDevice } from '../../lefu/index'
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/** 展示用设备项 */
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interface DeviceItem {
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/** 设备名称 */
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name: string
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/** 是否已连接 */
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connected: boolean
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/** 原始设备对象（连接时传回给 SDK） */
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_raw: ScannedDevice
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}
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/** 页面状态 */
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type DeviceStatus = 'idle' | 'searching' | 'found' | 'empty'
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Page({
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data: {
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/**
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* 页面状态
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* - idle: 未搜索（进入页面默认态）
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* - searching: 扫描中
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* - found: 扫描完成且有设备
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* - empty: 扫描完成但无设备
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*/
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status: 'idle' as DeviceStatus,
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/** 扫描到的设备列表 */
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deviceList: [] as DeviceItem[],
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},
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onShow() {
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// 注册回调后开始扫描
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lefuService.onDevicesList((devices) => {
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if (!devices.length) {
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this.setData({ status: 'empty', deviceList: [] })
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return
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}
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const list: DeviceItem[] = devices.map(d => ({
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name: d.name,
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connected: false,
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_raw: d,
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}))
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this.setData({ status: 'found', deviceList: list })
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})
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lefuService.onConnectState((state) => {
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const plugin = lefuService['_plugin']
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if (!plugin) return
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if (state === plugin.BLUE_STATE.CONNECTSUCCESS) {
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// 蓝牙连接成功，存储设备信息后跳配网页
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const connected = this.data.deviceList.find(d => d.connected)
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if (connected) {
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wx.setStorageSync('connectDeviceInfo', { name: connected.name })
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}
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wx.navigateTo({ url: '/pages/connectedWifi/connectedWifi' })
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} else if (state === plugin.BLUE_STATE.WIFISUCCESS) {
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// 设备已配网，直接进首页
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wx.reLaunch({ url: '/pages/home/home' })
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}
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})
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this.onStartSearch()
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},
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onHide() {
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// 页面隐藏时停止扫描，释放 bus 订阅
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lefuService.stopScan()
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},
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onUnload() {
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lefuService.stopScan()
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},
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/** 开始 / 重新搜索 */
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onStartSearch() {
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this.setData({ status: 'searching', deviceList: [] })
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lefuService.startScan()
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},
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/** 连接指定设备 */
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onConnect(e: WechatMiniprogram.TouchEvent) {
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const index = e.currentTarget.dataset.index as number
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const target = this.data.deviceList[index]
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if (!target) return
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// 更新 UI 连接状态
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const list = this.data.deviceList.map((item, i) => ({
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...item,
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connected: i === index,
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}))
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this.setData({ deviceList: list })
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// 调用 SDK 连接（BleAdv 类型已在 startScan 内自动处理，BleConnect 类型需此处触发）
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lefuService.connect(target._raw)
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},
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/** 断开当前连接 */
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onDisconnect() {
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const list = this.data.deviceList.map(item => ({ ...item, connected: false }))
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this.setData({ deviceList: list })
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lefuService.disconnect()
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},
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/** 查看帮助 */
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onOpenHelp() {
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wx.showToast({ title: '请确保设备已开机且在附近', icon: 'none' })
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},
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})
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