微信小程序--Ble蓝牙

/** * 搜索设备界面 */Page({ data: { logs: [], list:[], }, onLoad: function () { console.log('onLoad')var that = this;// const SDKVersion = wx.getSystemInfoSync().SDKVersion || '1.0.0'// const [MAJOR, MINOR, PATCH] = SDKVersion.split('.').map(Number)// console.log(SDKVersion);// console.log(MAJOR);// console.log(MINOR);// console.log(PATCH);// const canIUse = apiName => {// if (apiName === 'showModal.cancel') {//  return MAJOR >= 1 && MINOR >= 1// }// return true// }// wx.showModal({// success: function(res) {//  if (canIUse('showModal.cancel')) {//  console.log(res.cancel)//  }// }// })  //获取适配器  wx.openBluetoothAdapter({  success: function(res){  // success  console.log("-----success----------");   console.log(res);   //开始搜索  wx.startBluetoothDevicesDiscovery({ services: [], success: function(res){ // success  console.log("-----startBluetoothDevicesDiscovery--success----------");  console.log(res); }, fail: function(res) { // fail  console.log(res); }, complete: function(res) { // complete  console.log(res); }})  },  fail: function(res) {   console.log("-----fail----------");  // fail   console.log(res);  },  complete: function(res) {  // complete   console.log("-----complete----------");   console.log(res);  } })  wx.getBluetoothDevices({  success: function(res){   // success   //{devices: Array[11], errMsg: "getBluetoothDevices:ok"}   console.log("getBluetoothDevices");   console.log(res);   that.setData({   list:res.devices   });   console.log(that.data.list);  },  fail: function(res) {   // fail  },  complete: function(res) {   // complete  }  }) }, onShow:function(){ }, //点击事件处理 bindViewTap: function(e) {  console.log(e.currentTarget.dataset.title);  console.log(e.currentTarget.dataset.name);  console.log(e.currentTarget.dataset.advertisData); var title = e.currentTarget.dataset.title; var name = e.currentTarget.dataset.name;  wx.redirectTo({  url: '../conn/conn?deviceId='+title+'&name='+name,  success: function(res){   // success  },  fail: function(res) {   // fail  },  complete: function(res) {   // complete  }  }) },})

/** * 连接设备。获取数据 */Page({ data: {  motto: 'Hello World',  userInfo: {},  deviceId: '',  name: '',  serviceId: '',  services: [],  cd20: '',  cd01: '',  cd02: '',  cd03: '',  cd04: '',  characteristics20: null,  characteristics01: null,  characteristics02: null,  characteristics03: null,  characteristics04: null,  result, }, onLoad: function (opt) {  var that = this;  console.log("onLoad");  console.log('deviceId=' + opt.deviceId);  console.log('name=' + opt.name);  that.setData({ deviceId: opt.deviceId });  /**   * 监听设备的连接状态   */  wx.onBLEConnectionStateChanged(function (res) {   console.log(`device ${res.deviceId} state has changed, connected: ${res.connected}`)  })  /**   * 连接设备   */  wx.createBLEConnection({   deviceId: that.data.deviceId,   success: function (res) {    // success    console.log(res);    /**     * 连接成功，后开始获取设备的服务列表     */    wx.getBLEDeviceServices({     // 这里的 deviceId 需要在上面的 getBluetoothDevices中获取     deviceId: that.data.deviceId,     success: function (res) {      console.log('device services:', res.services)      that.setData({ services: res.services });      console.log('device services:', that.data.services[1].uuid);      that.setData({ serviceId: that.data.services[1].uuid });      console.log('--------------------------------------');      console.log('device设备的id:', that.data.deviceId);      console.log('device设备的服务id:', that.data.serviceId);      /**       * 延迟3秒，根据服务获取特征        */      setTimeout(function () {       wx.getBLEDeviceCharacteristics({        // 这里的 deviceId 需要在上面的 getBluetoothDevices        deviceId: that.data.deviceId,        // 这里的 serviceId 需要在上面的 getBLEDeviceServices 接口中获取        serviceId: that.data.serviceId,        success: function (res) {         console.log('000000000000' + that.data.serviceId);         console.log('device getBLEDeviceCharacteristics:', res.characteristics)         for (var i = 0; i  ('00' + x.toString(16)).slice(-2)).join(''); }})