86 行
2.3 KiB
JavaScript
86 行
2.3 KiB
JavaScript
var ble = require('../../services/ble')
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var http = require('../../utils/request')
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var app = getApp()
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var SCAN_TIMEOUT = 15000
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Page({
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data: {
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statusBarHeight: 44,
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deviceId: '',
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bindToken: '',
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state: 'scanning',
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error: ''
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},
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onLoad: function (options) {
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this.setData({ statusBarHeight: app.globalData.statusBarHeight })
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this.setData({
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deviceId: options.device_id || '',
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bindToken: options.bind_token || ''
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})
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this.startBleConnect()
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},
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onUnload: function () {
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clearTimeout(this._scanTimer)
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ble.stopScan()
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},
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startBleConnect: function () {
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var self = this
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self.setData({ state: 'scanning', error: '' })
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self._scanTimer = setTimeout(function () {
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ble.stopScan()
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self.setData({ state: 'error', error: '搜索超时，请确认设备已开机并在附近' })
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}, SCAN_TIMEOUT)
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ble.startScan({
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onFound: function (device) {
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clearTimeout(self._scanTimer)
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self.setData({ state: 'connecting' })
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},
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onConnected: function (device) {
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clearTimeout(self._scanTimer)
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self.setData({ state: 'binding' })
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self.doBind()
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},
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onError: function (err) {
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clearTimeout(self._scanTimer)
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self.setData({ state: 'error', error: err.msg || '连接失败' })
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}
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})
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},
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doBind: function () {
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var self = this
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var userId = app.globalData.userId || ''
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ble.on('bind_result', function (result) {
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if (result.success) {
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http.post('/api/v1/device/bind/confirm', {
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device_id: self.data.deviceId,
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bind_token: self.data.bindToken
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}).then(function () {
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self.setData({ state: 'done' })
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wx.redirectTo({
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url: '/pages/bind-success/bind-success?device_id=' + self.data.deviceId
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})
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}).catch(function (err) {
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self.setData({ state: 'error', error: err.message || '后台确认绑定失败' })
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})
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} else {
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self.setData({ state: 'error', error: '设备绑定失败' })
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}
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})
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ble.bindDevice(userId, self.data.bindToken).catch(function (err) {
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self.setData({ state: 'error', error: err.error_msg || '绑定命令失败' })
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})
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},
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onRetry: function () {
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ble.disconnect()
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this.startBleConnect()
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}
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})
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