online-ibeacon/pages/work/index.js

//index.js
//获取应用实例
const app = getApp()
import Toast from '../../miniprogram/miniprogram_npm/vant-weapp/toast/toast'

Page({
  data: {
    motto: 'Hello World',
    type: '', //0上课,1寝室
    sucmsg: false,
    warmsg: false,
    errmsg: '',
    toast: {},
  },
  //事件处理函数
  bindViewTap: function () {
    wx.navigateTo({
      url: '../logs/logs'
    })
  },
  onLoad: function (option) {
    this.setData({
      type: option.type
    })
    this.stopDiscovery();
    this.startDiscover();
  },
  addsuc: function () {
    this.setData({
      sucmsg: true,
      warmsg: false,
    });
  },
  addmsg: function (errmsg) {
    let msg = '';
    if (errmsg.errCode == '11001' || errmsg.errCode === 11001) msg = '请打开蓝牙功能,请开启蓝牙功能后按"签到"按钮';
    else if (errmsg.errCode == '11003' || errmsg.errCode === 11003) msg = '已经开始搜索';
    else if (errmsg.errCode == '11004' || errmsg.errCode === 11004) msg = '还未开始搜索';
    else msg = errmsg.errMsg;
    this.setData({
      warmsg: true,
      sucmsg: false,
      errmsg: msg,
    });
  },
  reSearch() {
    this.stopDiscovery();
    this.setData({
      sucmsg: false,
      warmsg: false,
      errmsg: '重新扫描',
    })
    this.startDiscover();
  },
  toSign: function (ibeacon) {
    let newdata = {
      openid: app.globalData.openid,
      type: this.data.type,
      ibeacon: [ibeacon]
    };

    wx.request({
      url: app.globalData.contentpath + 'api/train/attendance/attendancecreate',
      header: {//请求头
        "Content-Type": "application/json"
      },
      data: newdata,
      method: 'POST',
      dataType: 'json',
      success: (res) => {
        if (res.data.errcode == 0) {
          this.addsuc();
        } else {
          console.log('签到失败' + res.data.errmsg);
          this.addmsg({ errMsg: res.data.errmsg });
        }
      },
      fail: (err) => {
        console.log('签到失败' + err);
        this.addmsg(err);
      },//请求失败
      complete: () => {
        const toast = this.data.toast;
        toast.clear();
      }//请求完成后执行的函数

    })
  },
  async startDiscover() {
    const user = app.globalData.userInfo;
    if (!user) {
      Toast({
        duration: 3000,
        message: "未找到用户信息,请重新进入小程序"
      })
      return;
    }
    let toast = Toast({
      type: 'loading',
      duration: 0,
      message: '准备扫描中',
      forbidClick: true,
    })
    this.setData({
      toast: toast
    })
    wx.startBeaconDiscovery({
      uuids: ['FDA50693-A4E2-4FB1-AFCF-C6EB07647825'],
      success: (res) => {
        toast.setData({
          message: '正在搜索设备,请稍后...'
        })
        const countId = setTimeout(() => {
          this.stopDiscovery()
          this.addmsg({ errMsg: '未扫描到指定设备,请按"签到"重新扫描' })
        }, 30 * 1000)
        wx.onBeaconUpdate(res => {
          wx.getBeacons({
            success: (result) => {
              const { beacons } = result
              var beaconList = [];
              var limit = 30;
              for (var i = 0; i < beacons.length; i++) {
                var beacon = beacons[i];
                if (beacon.accuracy <= limit) {
                  beaconList.push(`${beacon.minor}`)
                }
              }
              const type = this.data.type;
              let needIbeacon = '';
              let place = '';
              if (type == '0') {
                // 教室
                needIbeacon = `${user.jsibeacon}`
                place = user.jsname
              } else {
                needIbeacon = `${user.bedroomibeacon}`
                place = user.bedroomname
              }
              if (beaconList.includes(needIbeacon)) {
                toast.setData({
                  message: `已搜索到${place}设备,正在签到,请稍后.....`
                })
                this.toSign(needIbeacon);
                clearTimeout(countId)
                this.stopDiscovery();
              }
            },
          })
        })

      },
      fail: async (error) => {
        await toast.clear();
        this.addmsg(error);
      }
    })
  },
  stopDiscovery() {
    wx.stopBeaconDiscovery({
      success: (res) => {
        const toast = this.data.toast;
        toast.clear();
        console.log('停止扫描');
      },
    })
  },

})