文件
jw-beauty/miniprogram/pages/ble-connect/ble-connect.js
T

86 行
2.3 KiB
JavaScript

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