lanya

1. var app = getApp()
2.  
   Page({
3.  
   data: {
4.  
   motto: 'Hello World',
5.  
   openBLE:'打开蓝牙设备',
6.  
   startBLEDiscovery:'初始化蓝牙设备',
7.  
   startBLEDevices:'目标定位',
8.  
   reStartSearchBLE:'重置蓝牙',
9.  
   startSearchBLE:'默认空',
10.  
    userInfo: {},
11.  
    deviceId: '',
12.  
    searchFlag:true,
13.  
    deviceRSSI:'',
14.  
    deviceName:'',
15.  
    deviceId:[],
16.  
    advertisServiceUUIDs: [],
17.  
    advertisData:[],
18.  
    canvasPointX:'',
19.  
    canvasPointY:'',
20.  
    avatarUrl:'../index/bg-image.jpg',
21.  
    showPosition:''
22.  
    },
23.  
    //事件处理函数
24.  
    bindViewTap: function() {
25.  
    wx.navigateTo({
26.  
    url: '../logs/logs'
27.  
    })
28.  
    },
29.  
    onLoad: function () {
30.  
    var that = this
31.  
    //调用应用实例的方法获取全局数据
32.  
    //that.setData({ deviceId: opt.deviceId })
33.  
    app.getUserInfo(function(userInfo){
34.  
    //更新数据
35.  
    that.setData({
36.  
    userInfo:userInfo
37.  
    })
38.  
    //判断兼容性
39.  
    if (wx.openBluetoothAdapter) {
40.  
    //打开蓝牙适配器，如果没有打开 showtoast
41.  
    wx.openBluetoothAdapter({
42.  
    success: function(res){
43.  
    // success
44.  
    //获取本机的蓝牙适配器状态
45.  
    wx.getBluetoothAdapterState({
46.  
    success: function(res){
47.  
    // success
48.  
    that.setData({
49.  
    searchFlag:true
50.  
    })
51.  
    },
52.  
    fail: function(res) {
53.  
    // fail
54.  
    that.setData({
55.  
    searchFlag:false
56.  
    })
57.  
    },
58.  
    complete: function(res) {
59.  
    // complete
60.  
    }
61.  
    })
62.  
    },
63.  
    fail: function(res) {
64.  
    // fail 本机是否已经打开蓝牙设备
65.  
    wx.showToast({title:'请打开本机蓝牙设备，重新扫码', duration:10000 })
66.  
    },
67.  
    complete: function(res) {
68.  
    // complete
69.  
    }
70.  
    })
71.  
    } else {
72.  
    // 如果希望用户在最新版本的客户端上体验您的小程序，可以这样子提示
73.  
    wx.showModal({
74.  
    title: '提示',
75.  
    content: '当前微信版本过低，无法使用该功能，请升级到最新微信版本后重试。'
76.  
    })
77.  
    }
78.  
     
79.  
    })
80.  
    },
81.  
     
82.  
    startBLEDevices: function(){
83.  
    var that = this
84.  
    wx.startBluetoothDevicesDiscovery({
85.  
    services: [],
86.  
    success: function(res){
87.  
    //获取本机蓝牙设备状态
88.  
    // success
89.  
    that.setData({
90.  
    showPosition:setInterval(that.devicesFunc,1000)
91.  
    })
92.  
    },
93.  
    fail: function(res) {
94.  
    // fail
95.  
    },
96.  
    complete: function(res) {
97.  
    // complete
98.  
    }
99.  
    })
100.  
     },
101.  
     // startBLEDevices: function(){
102.  
     // var that = this
103.  
     // that.setData({
104.  
     // showPosition:setInterval(that.devicesFunc,1000)
105.  
     // })
106.  
     // },
107.  
     devicesFunc: function(){
108.  
     var that = this
109.  
      
110.  
     wx.getBluetoothDevices({
111.  
     success: function(res){
112.  
     // console.log(res);
113.  
     var arrayRSSI = new Array();
114.  
     var arraydeviceName = new Array();
115.  
     var arraydeviceId = new Array();
116.  
     // var arrayUUIDs = new Array();
117.  
     var arrayadvertisData = new Array();
118.  
     var pointADistance = '';
119.  
     var pointBDistance = '';
120.  
     var pointCDistance = '';
121.  
     for(var i = 0; i<res.devices.length;i++){
122.  
     //console.log(res.devices[i].name);
123.  
     if(res.devices[i].name.indexOf('craft')==0){
124.  
     //console.log(res.devices[i]);
125.  
     arrayRSSI.push(res.devices[i].RSSI);
126.  
     arraydeviceName.push(res.devices[i].name);
127.  
     arraydeviceId[i]= res.devices[i].deviceId;
128.  
     arrayUUIDs[i]= res.devices[i].advertisServiceUUIDs[i];
129.  
     arrayadvertisData[i]= res.devices[i].advertisData ;
130.  
     调用计算rssi对应距离的函数
131.  
     var iRssi = Math.abs(arrayRSSI[i]);
132.  
     var power = (iRssi-59)/(10*2.0);
133.  
     var mm = Math.pow(10, power);
134.  
     console.log(arraydeviceName[i]+"距离的位置是"+mm+"米");
135.  
     取01，02，03分别为，（2，0），（2，2），（0，2）固定坐标点，做定位
136.  
      
137.  
     if(res.devices[i].name.indexOf('craft01')==0){
138.  
      
139.  
     var pointARSSi = res.devices[i].RSSI ;
140.  
     var iRssi = Math.abs(pointARSSi);
141.  
     var power = (iRssi-55)/(10*2.0);
142.  
     var pointADistance = Math.pow(10, power);
143.  
     console.log("a"+pointADistance);
144.  
     console.log(pointARSSi);
145.  
      
146.  
     }
147.  
     if(res.devices[i].name.indexOf('craft02')==0){
148.  
      
149.  
     var pointBRSSi = res.devices[i].RSSI;
150.  
     var iRssi = Math.abs(pointBRSSi);
151.  
     var power = (iRssi-55)/(10*2.0);
152.  
     var pointBDistance = Math.pow(10, power);
153.  
     console.log("b"+pointBDistance);
154.  
     console.log(pointBRSSi);
155.  
      
156.  
     }
157.  
     if(res.devices[i].name.indexOf('craft03')==0){
158.  
      
159.  
     var pointCRSSi = res.devices[i].RSSI;
160.  
     var iRssi = Math.abs(pointCRSSi);
161.  
     var power = (iRssi-57)/(10*2.0);
162.  
     var pointCDistance = Math.pow(10, power);
163.  
     console.log("c"+pointCDistance);
164.  
     console.log(pointCRSSi);
165.  
     }
166.  
     }
167.  
     }
168.  
     // 从 arrayRSSI 取三个距离定位点最近的ibeacon参与定位
169.  
     if(arrayRSSI.length > 3){
170.  
     //根据arrayRSSI进行信号强弱排序.距离越远rssi值越小
171.  
     for(var i = 0 ; i < arrayRSSI.length ; i ++){
172.  
     for(var j = i+1 ; j< arrayRSSI.length ; j++){
173.  
     if(arrayRSSI[i]<arrayRSSI[j]){
174.  
     var select = arrayRSSI[i];
175.  
     arrayRSSI[i] = arrayRSSI[j];
176.  
     arrayRSSI[j] = select;
177.  
     }
178.  
     }
179.  
     }
180.  
     //获取最近的三个距离
181.  
     for(var i = 0 ; i < 3; i++){
182.  
     if(i==0){
183.  
     var pointARSSi = res.devices[i].RSSI ;
184.  
     var iRssi = Math.abs(pointARSSi);
185.  
     var power = (iRssi-55)/(10*2.0);
186.  
     var pointADistance = Math.pow(10, power);
187.  
     console.log("a"+pointADistance);
188.  
     console.log(pointARSSi);
189.  
     }
190.  
     if(i==1){
191.  
      
192.  
     var pointBRSSi = res.devices[i].RSSI;
193.  
     var iRssi = Math.abs(pointBRSSi);
194.  
     var power = (iRssi-55)/(10*2.0);
195.  
     var pointBDistance = Math.pow(10, power);
196.  
     console.log("b"+pointBDistance);
197.  
     console.log(pointBRSSi);
198.  
     }
199.  
     if(i==2){
200.  
     var pointCRSSi = res.devices[i].RSSI;
201.  
     var iRssi = Math.abs(pointCRSSi);
202.  
     var power = (iRssi-57)/(10*2.0);
203.  
     var pointCDistance = Math.pow(10, power);
204.  
     console.log("c"+pointCDistance);
205.  
     console.log(pointCRSSi);
206.  
     }
207.  
     }
208.  
     }
209.  
     //获取定位点的x和y
210.  
     if(!pointADistance==''&&!pointBDistance==''&&!pointCDistance==''){
211.  
     var pointDX='';var pointDY = '';
212.  
     var p = Math.pow(pointADistance,2)/10-Math.pow(pointBDistance,2)/10;
213.  
     pointDX = 2.5 - p;
214.  
      
215.  
     var m = Math.pow(pointADistance,2)/10-Math.pow(pointCDistance,2)/10;
216.  
     pointDY = 2.5 - m;
217.  
      
218.  
     console.log('目标所在位置X是'+pointDX);
219.  
     console.log('目标所在位置Y是'+pointDY);
220.  
     if(pointDX > 0 && pointDY > 0){
221.  
     wx.showToast({title:'欢迎进入25楼craft', duration:4000 });
222.  
     }
223.  
     that.setData({
224.  
     canvasPointX:pointDX,
225.  
     canvasPointY:pointDY
226.  
     })
227.  
      
228.  
     //创建画布
229.  
     //计算坐标点在规定canvas上的位置显示
230.  
     var context = wx.createCanvasContext();
231.  
     context.setStrokeStyle("#00ff00");
232.  
     //a,b,c,d,e,f a,b起始坐标，c半径，d，e起始和终止角度
233.  
     context.arc(that.data.canvasPointX*30,that.data.canvasPointY*30,5,0,2*Math.PI);
234.  
     context.fill();
235.  
     wx.drawCanvas({
236.  
     canvasId: 'firstCanvas',
237.  
     actions: context.getActions() // 获取绘图动作数组
238.  
     })
239.  
      
240.  
     wx.showModal({title:'X轴:'+pointDX+'Y轴:'+pointDY, duration:5000 });
241.  
     //开始网络请求
242.  
     wx.request({
243.  
     url: 'http://craftww.cn/weixinIbeacon/index.php',
244.  
     data: {},
245.  
     method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
246.  
     // header: {}, // 设置请求的 header
247.  
     success: function(res){
248.  
     // success
249.  
     },
250.  
     fail: function(res) {
251.  
     // fail
252.  
     },
253.  
     complete: function(res) {
254.  
     // complete
255.  
     }
256.  
     })
257.  
      
258.  
     }else{
259.  
     wx.showToast({title:'正在搜索...', duration:1000 })
260.  
     开始网络请求
261.  
     wx.request({
262.  
     url: 'http://craftww.cn/weixinIbeacon/index.php',
263.  
     data: {},
264.  
     method: 'GET', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
265.  
     // header: {}, // 设置请求的 header
266.  
     success: function(res){
267.  
     // success
268.  
     },
269.  
     fail: function(res) {
270.  
     // fail
271.  
     },
272.  
     complete: function(res) {
273.  
     // complete
274.  
     }
275.  
     })
276.  
     }
277.  
      
278.  
     },
279.  
     fail: function(res) {
280.  
     // fail
281.  
     },
282.  
     complete: function(res) {
283.  
     // complete
284.  
     }
285.  
     })
286.  
     } ,
287.  
     //动态显示
288.  
     createList: function(thisName){
289.  
     var that = this
290.  
     that.setData({
291.  
     array:[{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"},{deviceDistance:"1"}]
292.  
     })
293.  
     },
294.  
     reStartSearchBLE: function(){
295.  
     var that = this
296.  
     //清除本地数据缓存
297.  
     wx.stopBluetoothDevicesDiscovery({
298.  
     success: function(res){
299.  
     // success
300.  
     },
301.  
     fail: function(res) {
302.  
     // fail
303.  
     },
304.  
     complete: function(res) {
305.  
     // complete
306.  
     }
307.  
     })
308.  
     wx.clearStorageSync();
309.  
     clearInterval(that.data.showPosition);
310.  
     console.log(that.data.showPosition);
311.  
     // that.context.clearRect(0,0,canvas.width,canvas.height);
312.  
     //断开蓝牙
313.  
     var that = this
314.  
     wx.closeBluetoothAdapter({
315.  
     success: function(res){
316.  
     // success
317.  
     console.log('重置成功');
318.  
     //打开蓝牙适配器，如果没有打开 showtoast
319.  
     wx.openBluetoothAdapter({
320.  
     success: function(res){
321.  
     // success
322.  
     //获取本机的蓝牙适配器状态
323.  
     wx.getBluetoothAdapterState({
324.  
     success: function(res){
325.  
     // success
326.  
      
327.  
     },
328.  
     fail: function(res) {
329.  
     // fail
330.  
     },
331.  
     complete: function(res) {
332.  
     // complete
333.  
     }
334.  
     })
335.  
     },
336.  
     fail: function(res) {
337.  
     },
338.  
     complete: function(res) {
339.  
     // complete
340.  
     }
341.  
     })
342.  
     },
343.  
     fail: function(res) {
344.  
     // fail
345.  
     },
346.  
     complete: function(res) {
347.  
     // complete
348.  
     }
349.  
     })
350.  
     }
351.  
     //zheli
352.  
     })
353.