onShow : function(){ var that = this; //監(jiān)測(cè)藍(lán)牙狀態(tài)的改變 wx.onBluetoothAdapterStateChange(function (res) {  if (res.available) {//如果用戶打開藍(lán)牙，開始搜索IBeacon  searchBeacon();  } })  //搜索beacons searchBeacon(); //搜索函數(shù) function searchBeacon() {  //檢測(cè)藍(lán)牙狀態(tài)  wx.openBluetoothAdapter({  success: function (res) {//藍(lán)牙狀態(tài)：打開   wx.startBeaconDiscovery({//開始搜索附近的iBeacon設(shè)備   uuids: ['FDA50693-A4E2-4FB1-AFCF-C6EB07647825'],//參數(shù)uuid   success: function (res) {    wx.onBeaconUpdate(function (res) {//監(jiān)聽 iBeacon 設(shè)備的更新事件     //封裝請(qǐng)求數(shù)據(jù)     var beacons = res.beacons;    var reqContent = {};    var bleArray = [];    for (var i = 0; i < beacons.length; i++) {     var bleObj = {};     bleObj.distance = beacons[i].accuracy;     bleObj.rssi = beacons[i].rssi;     bleObj.mac = beacons[i].major + ":" + beacons[i].minor;     bleArray.push(bleObj);    }    reqContent.ble = bleArray;    //請(qǐng)求后臺(tái)向redis插入數(shù)據(jù)    redisSave(reqContent);    });   },   fail: function (res) {    //先關(guān)閉搜索再重新開啟搜索,這一步操作是防止重復(fù)wx.startBeaconDiscovery導(dǎo)致失敗    stopSearchBeacom();   }   })  },  fail: function (res) {//藍(lán)牙狀態(tài)：關(guān)閉   wx.showToast({ title: "請(qǐng)打開藍(lán)牙", icon: "none", duration: 2000 })  }  }) } function redisSave(reqContent) {  wx.request({  url: "https://map.intmote.com/LocateServer/location.action",  data: JSON.stringify(reqContent),  method: 'POST',  header: {   'Content-type': 'application/json'  },  success: function (res) {   // wx.showToast({ title: "seccess" })  },  fail: function (res) {   // wx.showToast({ title: "1" })  }  }); } //關(guān)閉成功后開啟搜索 function stopSearchBeacom() {  wx.stopBeaconDiscovery({  success: function () {   searchBeacon();  }  }) }  },