代码示例：
[AppleScript] 纯文本查看 复制代码 //index.js
//获取应用实例
var app = getApp()
Page({
data: {
userInfo: {},
btdevsarray: [],
discoverying: false,
tipinfo: ''
},
btdevshash: {},
updateBTDevs: function(dev) {
console.log(JSON.stringify(dev))
var devshash = this.btdevshash
var devid = dev["deviceId"]
// if (dev["name"] && dev["name"].startsWith("April")) {
if ( !devshash[devid] ) {
devshash[devid] = {}
devshash[devid]["deviceId"] = devid
devshash[devid]["name"] = dev["name"]
devshash[devid]["RSSI"] = dev["RSSI"]
devshash[devid]["advertisData"] = dev["advertisData"]
devshash[devid]["counter"] = 1
} else {
devshash[devid]["counter"] += 1
console.log("--- found existing", devshash[devid]["counter"])
}
devshash[devid]["timestamp"] = Date.now()
// }
},
resetBTDevs: function() {
for (var k in this.btdevshash) delete this.btdevshash[k];
this.btdevshash["00:00:00:00:00:00"] = {deviceId: "00:00:00:00:00:00", name: "NULL"}
this.setData({
btdevsarray: [{deviceId: "00:00:00:00:00:00", name: "NULL"}],
})
},
onLoad: function () {
console.log('onLoad')
var that = this
app.getUserInfo(function(userInfo){
that.setData({userInfo:userInfo})
})
wx.onBluetoothAdapterStateChange(function(res) {
console.log("onBluetoothAdapterStateChange, now is", res)
})
that.resetBTDevs()
wx.onBluetoothDeviceFound(function(res) {
// console.log('onBluetoothDeviceFound: new device list has founded')
console.log(JSON.stringify(res))
if (app.getPlatform()=="android") {
// // ON Andriod: variable 'res' is not array, and only contain one bt device
that.updateBTDevs(res)
}
else if (app.getPlatform()=="ios") {
// ON IOS: variable 'res' is object with a key "devices" whol is an array
for (var i in res["devices"]) { that.updateBTDevs(res["devices"][i]) }
}
else if (app.getPlatform()=="devtools") {
// ON Mac Devtools: variable 'res' is an array
for (var i in res) { that.updateBTDevs(res[i]) }
}
//hash to sorted array for UI displaying
var devsarray = []
for (var k in that.btdevshash) {
devsarray.push(that.btdevshash[k])
}
devsarray.sort(function(a, b){
if (a["deviceId"]>b["deviceId"]) return 1
if (a["deviceId"]<b["deviceId"]) return -1
return 0
})
that.setData({btdevsarray: devsarray})
})
},
onUnload: function () {
this.toggleBTScanning(turnOn=false)
},
bindViewTap: function() {
wx.navigateTo({
url: '../logs/logs'
})
},
bindViewTapScanBT: function() {
var that = this
that.toggleBTScanning()
},
toggleBTScanning: function(turnOn=null) {
var that = this
function turnOnBTScanning() {
function startDiscovering() {
wx.startBluetoothDevicesDiscovery({
success: function (res) {
console.log("startBluetoothDevicesDiscovery:success:", res)
that.setData({discoverying:true, tipinfo:''})
},
fail: function (res) {
console.log("startBluetoothDevicesDiscovery:fail:", res)
// that.setData({tipinfo:'fail to start discovering'})
that.setData({tipinfo:res["errMsg"]})
}
})
}
wx.openBluetoothAdapter({
success: function (res) {
console.log("openBluetoothAdapter:success", res)
startDiscovering()
},
fail: function (res) {
console.log("openBluetoothAdapter:fail", res)
// that.setData({tipinfo:'fail to open bluetooth adapter'})
that.setData({tipinfo:res["errMsg"]})
}
})
}
function turnOffBTScanning() {
wx.stopBluetoothDevicesDiscovery({
success: function (res) {
console.log("stopBluetoothDevicesDiscovery:success", res)
wx.closeBluetoothAdapter({
success: function (res) {
console.log("closeBluetoothAdapter:success:", res)
that.setData({discoverying:false, tipinfo:''})
// that.resetBTDevs()
},
fail: function (res) {
console.log("closeBluetoothAdapter:fail:", res)
// that.setData({tipinfo:'fail to close bluetooth adapter'})
that.setData({tipinfo:res["errMsg"]})
}
})
},
fail: function (res) {
console.log("stopBluetoothDevicesDiscovery:fail:", res)
// that.setData({tipinfo:'fail to stop discovering'})
that.setData({tipinfo:res["errMsg"]})
}
})
}
if (turnOn==null) {
// wx.getBluetoothAdapterState({
// success: function (adapterState, errMsg) {
// console.log("getBluetoothAdapterState:success", adapterState)
// adapterState.discovering ? turnOffBTScanning() : turnOnBTScanning()
// },
// fail: function(res) {
// console.log("getBluetoothAdapterState:fail", res)
// }
// })
that.data.discoverying ? turnOffBTScanning() : turnOnBTScanning()
} else {
turnOn ? turnOnBTScanning() : turnOffBTScanning()
}
},
})
[AppleScript] 纯文本查看 复制代码 <!--index.wxml-->
<view class="container">
<view bindtap="bindViewTap" class="userinfo">
<image class="userinfo-avatar" src="{{userInfo.avatarUrl}}" background-size="cover"></image>
<text class="userinfo-nickname">{{userInfo.nickName}}</text>
</view>
<view bindtap="bindViewTapScanBT" class="usermotto">
<text>{{discoverying ? "STOP" : "START"}} | {{ tipinfo }}</text>
</view>
<view class="dev-list" wx:for="{{btdevsarray}}">
{{index}}: {{item.deviceId}} | {{item.RSSI}} | {{item.counter}} | {{item.name}}
<!--{{index}}: {{item.deviceId}} | {{item.RSSI}} | {{item.name}} | {{item.counter}} | {{item.timestamp}}-->
</view>
<!--<text>{{btdevs}}</text>-->
</view>
项目地址：https://github.com/lightgao/wechat_smallapp_bluetooth_scanner
项目下载：
wechat_smallapp_bluetooth_scanner-master.zip
(6.8 KB, 下载次数: 220)
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