wxmini/pages/bluConnect/bleconnect.js

// pages/bluConnect/bleconnect.js
const app = getApp();

Page(
  {
    /**
     * 页面的初始数据
     */
    data: {
      scopeBluetooth: false,
      connectStatus: 0,
      connectText: "连接中",
      connectPic: "",
      connectTips: "正在搜索设备，请保持开机状态...",
      buttonTips: "正在搜索设备",
      userFuzzyLocation: true,
      nvabarData: {
        showCapsule: 1, //是否显示左上角图标   1表示显示    0表示不显示
        title: '设备连接', //导航栏 中间的标题
        callback: () => {
          wx.switchTab({
            url: '../home/home',
          })
        }
      },
      isNotruter: false,
      deviceItem: {
        "pic": "../../img/g.png",
        "address": "xxxxxx",
        "name": "猫王钢琴音箱",
        "devName": "名称1", "state": "online", "power": 40
      }
    },
    updateBleStatus() {
      var _this = this;
      var deviceDic;
      switch (_this.data.connectStatus) {
        case 1:
          // 搜索中
          deviceDic = { connectTips: "正在搜索设备，请保持开机状态..." }

          break;
        case 2:
          // 连接中
          deviceDic = { connectText: "连接中...", connectPic: "" }

          break;
        case 3:
          // 连接失败
          deviceDic = { connectText: "连接失败", connectPic: "../../img/i.png" }

          break;
        case 4:
          // 连接成功
          deviceDic = { connectText: "连接成功", connectPic: "../../img/h.png", connectTips:"" }

          break;
        case 5:
          // 搜索到设备
          var deviceItem = {
            "pic": "../../img/g.png",
            "address": "xxxxxx"+Math.random()
            ,
            "name": "猫王钢琴音箱",
            "devName": "猫王钢琴音箱", "state": "online", "power": 40
          }
          deviceDic = {
            connectTips: "搜索到" + deviceItem.name,
            buttonTips: "连接设备",
            connectText: "搜索成功",
            deviceItem: deviceItem
          }
          break;
        default:
          break;
      }
      if (deviceDic != null) {
        Object.assign(deviceDic, {"connectStatus": _this.data.connectStatus})
        _this.setData(deviceDic)
      }

    },
    getBluetoothStatusCallck(v) {
      this.updateBleStatus();

      this.setData({
        scopeBluetooth: v,
        connectStatus: v ? 1 : 0
      })
      if (v) {
        this.scanDevice();
      }
    },
    setBluetooth() {
      wx.openSetting({
        complete() {
          // app.getBluetoothStatus();
        }
      })
    }, connectDeviceTap() {
      const _this = this;

      if (_this.data.connectStatus === 1) {
        return;
      }

      // todo 测试
      this.data.connectStatus = 4;
      this.updateBleStatus();

      setTimeout(() => {
        const eventChannel = _this.getOpenerEventChannel();
        eventChannel.emit('getBackData', {
          backData: _this.data.deviceItem
        });
        wx.navigateBack();
      }, 1000);

      return;

      wx.openBluetoothAdapter({
        success(res) {

          // var _this = this;
          // const eventChannel = this.getOpenerEventChannel();
          // eventChannel.emit('getBackData', {
          //   backData: _this.deviceItem
          // });

          // wx.navigateBack();



        },
        fail(res) {
          console.log("连接失败：" + res);

          if (res.errCode === 10001) {
            wx.showToast({
              title: '蓝牙未打开',
              icon: "none",
              duration: 2000
            })
          }
        }
      });

    }, scanDevice() {

      //todo 扫描代码

      setTimeout(() => {
        this.data.connectStatus = 5;
        this.updateBleStatus();
      }, 3000);

    },

    /**
     * 生命周期函数--监听页面加载
     */
    onLoad(options) {

      if (options.isLognlink) {

      }
      app.getBluetoothStatus();

    },

    /**
     * 生命周期函数--监听页面初次渲染完成
     */
    onReady() {

    },

    /**
     * 生命周期函数--监听页面显示
     */
    onShow() {

    },

    /**
     * 生命周期函数--监听页面隐藏
     */
    onHide() {

    },

    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload() {

    },

    /**
     * 页面相关事件处理函数--监听用户下拉动作
     */
    onPullDownRefresh() {

    },

    /**
     * 页面上拉触底事件的处理函数
     */
    onReachBottom() {

    },

    /**
     * 用户点击右上角分享
     */
    onShareAppMessage() {

    }
  })