UFR106BTWXXCX微信小程序开发链接蓝牙红外体温计额温枪连接微信小程序源代码测试演示图片和视频&

微信小程序源代码&蓝牙额温枪/血压计通讯协议&视频演示下载：

http://www.urion.cn/web/upic/dv/ufr106btcn.wxxcx.all.rar

https://developers.weixin.qq.com/miniprogram/dev/api/device/bluetooth-ble/wx.onBLEConnectionStateChange.html
示例代码
在开发者工具中预览效果
https://developers.weixin.qq.com/s/pQU51zmz7a3K
wx.onBLEConnectionStateChange(function(res) {
  // 该方法回调中可以用于处理连接意外断开等异常情况
  console.log(`device ${res.deviceId} state has changed, connected: ${res.connected}`)
})

微信开发者工具的安装
https://developers.weixin.qq.com/miniprogram/dev/devtools/stable.html

微信开发者工具的安装和使用以及小程序的创建和资源目录介绍（最全！！）
https://blog.csdn.net/qq_44741577/article/details/136552898?ops_request_misc=&request_id=&biz_id=102&utm_term=%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%E5%AE%89%E8%A3%85&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-0-136552898.nonecase&spm=1018.2226.3001.4187



https://blog.csdn.net/qq_51870334/article/details/131018338?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522172060504016800182181243%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=172060504016800182181243&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~baidu_landing_v2~default-5-131018338-null-null.142^v100^pc_search_result_base4&utm_term=%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%E5%AE%89%E8%A3%85&spm=1018.2226.3001.4187


https://blog.csdn.net/MANONGDKY/article/details/136267537?ops_request_misc=&request_id=&biz_id=102&utm_term=%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%E5%AE%89%E8%A3%85&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-3-136267537.nonecase&spm=1018.2226.3001.4187

https://mp.weixin.qq.com/

https://developers.weixin.qq.com/miniprogram/dev/devtools/sandbox.html
https://developers.weixin.qq.com/miniprogram/dev/devtools/sandbox.html

【2024最新】微信开发者工具安装配置教程
https://blog.csdn.net/weixin_44226181/article/details/137958823?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522172060504016800182181243%2522%252C%2522scm%2522%253A%252220140713.130102334..%2522%257D&request_id=172060504016800182181243&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~top_click~default-2-137958823-null-null.142^v100^pc_search_result_base4&utm_term=%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%E5%AE%89%E8%A3%85&spm=1018.2226.3001.4187

【微信小程序】基础篇 -- 注册小程序账号&安装开发者工具（一）https://blog.csdn.net/csh1807266489/article/details/129141395?ops_request_misc=&request_id=&biz_id=102&utm_term=%E5%BE%AE%E4%BF%A1%E5%BC%80%E5%8F%91%E8%80%85%E5%B7%A5%E5%85%B7%E5%AE%89%E8%A3%85&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-1-129141395.nonecase&spm=1018.2226.3001.4187

微信小程序使用蓝牙连接硬件保姆级教程
https://blog.csdn.net/apple_70049717/article/details/135457451?ops_request_misc=&request_id=&biz_id=102&utm_term=%E5%BE%AE%E4%BF%A1%E5%B0%8F%E7%A8%8B%E5%BA%8F%20%E4%BB%A3%E7%A0%81%20%E8%93%9D%E7%89%99%20%E8%BF%9E%E6%8E%A5&utm_medium=distribute.pc_search_result.none-task-blog-2~all~sobaiduweb~default-0-135457451.142^v100^pc_search_result_base4&spm=1018.2226.3001.4187

https://developers.weixin.qq.com/miniprogram/dev/api/device/bluetooth/wx.startBluetoothDevicesDiscovery.html

源代码参考：

module.exports.max = function(n1, n2) {
  return Math.max(n1, n2)
}
module.exports.len = function(arr) {
  arr = arr || []
  return arr.length
}

开始扫描
停止扫描
结束流程

已发现 {{devices.length}} 个外围设备：

     data-device-id="{{item.deviceId}}"
   data-name="{{item.name || item.localName}}"
   bindtap="createBLEConnection" 
   class="device_item"
   hover-class="device_item_hover">
    {{item.name}}
    信号强度: {{item.RSSI}}dBm ({{utils.max(0, item.RSSI + 100)}}%)
    UUID: {{item.deviceId}}
    Service数量: {{utils.len(item.advertisServiceUUIDs)}}
 



 
    已连接到 {{name}}
   
    写数据
    断开连接
   
 
 
    特性UUID: {{item.uuid}}
    特性值: {{item.value}}
 






const app = getApp()

function inArray(arr, key, val) {
  for (let i = 0; i < arr.length; i++) {
    if (arr[i][key] === val) {
      return i;
    }
  }
  return -1;
}

// ArrayBuffer转16进度字符串示例
function ab2hex(buffer) {
  var hexArr = Array.prototype.map.call(
    new Uint8Array(buffer),
    function (bit) {
      return ('00' + bit.toString(16)).slice(-2)
    }
  )
  return hexArr.join('');
}

Page({
  data: {
    devices: [],
    connected: false,
    chs: [],
  },
  openBluetoothAdapter() {
    wx.openBluetoothAdapter({
      success: (res) => {
        console.log('openBluetoothAdapter success', res)
        this.startBluetoothDevicesDiscovery()
      },
      fail: (res) => {
        if (res.errCode === 10001) {
          wx.onBluetoothAdapterStateChange(function (res) {
            console.log('onBluetoothAdapterStateChange', res)
            if (res.available) {
              this.startBluetoothDevicesDiscovery()
            }
          })
        }
      }
    })
  },
  getBluetoothAdapterState() {
    wx.getBluetoothAdapterState({
      success: (res) => {
        console.log('getBluetoothAdapterState', res)
        if (res.discovering) {
          this.onBluetoothDeviceFound()
        } else if (res.available) {
          this.startBluetoothDevicesDiscovery()
        }
      }
    })
  },
  startBluetoothDevicesDiscovery() {
    if (this._discoveryStarted) {
      return
    }
    this._discoveryStarted = true
    wx.startBluetoothDevicesDiscovery({
      allowDuplicatesKey: true,
      success: (res) => {
        console.log('startBluetoothDevicesDiscovery success', res)
        this.onBluetoothDeviceFound()
      },
    })
  },
  stopBluetoothDevicesDiscovery() {
    wx.stopBluetoothDevicesDiscovery()
  },
  onBluetoothDeviceFound() {
    wx.onBluetoothDeviceFound((res) => {
      res.devices.forEach(device => {
        if (!device.name && !device.localName) {
          return
        }
        const foundDevices = this.data.devices
        const idx = inArray(foundDevices, 'deviceId', device.deviceId)
        const data = {}
        if (idx === -1) {
          data[`devices[${foundDevices.length}]`] = device
        } else {
          data[`devices[${idx}]`] = device
        }
        this.setData(data)
      })
    })
  },
  createBLEConnection(e) {
    const ds = e.currentTarget.dataset
    const deviceId = ds.deviceId
    const name = ds.name
    wx.createBLEConnection({
      deviceId,
      success: (res) => {
        this.setData({
          connected: true,
          name,
          deviceId,
        })
        this.getBLEDeviceServices(deviceId)
      }
    })
    this.stopBluetoothDevicesDiscovery()
  },
  closeBLEConnection() {
    wx.closeBLEConnection({
      deviceId: this.data.deviceId
    })
    this.setData({
      connected: false,
      chs: [],
      canWrite: false,
    })
  },
  getBLEDeviceServices(deviceId) {
    wx.getBLEDeviceServices({
      deviceId,
      success: (res) => {
        for (let i = 0; i < res.services.length; i++) {
          if (res.services[i].isPrimary) {
            this.getBLEDeviceCharacteristics(deviceId, res.services[i].uuid)
            return
          }
        }
      }
    })
  },
  getBLEDeviceCharacteristics(deviceId, serviceId) {
    wx.getBLEDeviceCharacteristics({
      deviceId,
      serviceId,
      success: (res) => {
        console.log('getBLEDeviceCharacteristics success', res.characteristics)
        for (let i = 0; i < res.characteristics.length; i++) {
          let item = res.characteristics[i]
          if (item.properties.read) {
            wx.readBLECharacteristicValue({
              deviceId,
              serviceId,
              characteristicId: item.uuid,
            })
          }
          if (item.properties.write) {
            this.setData({
              canWrite: true
            })
            this._deviceId = deviceId
            this._serviceId = serviceId
            this._characteristicId = item.uuid
            this.writeBLECharacteristicValue()
          }
          if (item.properties.notify || item.properties.indicate) {
            wx.notifyBLECharacteristicValueChange({
              deviceId,
              serviceId,
              characteristicId: item.uuid,
              state: true,
            })
          }
        }
      },
      fail(res) {
        console.error('getBLEDeviceCharacteristics', res)
      }
    })
    // 操作之前先监听，保证第一时间获取数据
    wx.onBLECharacteristicValueChange((characteristic) => {
      const idx = inArray(this.data.chs, 'uuid', characteristic.characteristicId)
      const data = {}
      if (idx === -1) {
        data[`chs[${this.data.chs.length}]`] = {
          uuid: characteristic.characteristicId,
          value: ab2hex(characteristic.value)
        }
      } else {
        data[`chs[${idx}]`] = {
          uuid: characteristic.characteristicId,
          value: ab2hex(characteristic.value)
        }
      }
      // data[`chs[${this.data.chs.length}]`] = {
      //   uuid: characteristic.characteristicId,
      //   value: ab2hex(characteristic.value)
      // }
      this.setData(data)
    })
  },
  writeBLECharacteristicValue() {
    // 向蓝牙设备发送一个0x00的16进制数据
    let buffer = new ArrayBuffer(1)
    let dataView = new DataView(buffer)
    dataView.setUint8(0, Math.random() * 255 | 0)
    wx.writeBLECharacteristicValue({
      deviceId: this._deviceId,
      serviceId: this._serviceId,
      characteristicId: this._characteristicId,
      value: buffer,
    })
  },
  closeBluetoothAdapter() {
    wx.closeBluetoothAdapter()
    this._discoveryStarted = false
  },
})






page {
  color: #333;
}
.devices_summary {
  margin-top: 30px;
  padding: 10px;
  font-size: 16px;
}
.device_list {
  height: 300px;
  margin: 50px 5px;
  margin-top: 0;
  border: 1px solid #EEE;
  border-radius: 5px;
  width: auto;
}
.device_item {
  border-bottom: 1px solid #EEE;
  padding: 10px;
  color: #666;
}
.device_item_hover {
  background-color: rgba(0, 0, 0, .1);
}
.connected_info {
  position: fixed;
  bottom: 0;
  width: 100%;
  background-color: #F0F0F0;
  padding: 10px;
  padding-bottom: 20px;
  margin-bottom: env(safe-area-inset-bottom);
  font-size: 14px;
  min-height: 100px;
  box-shadow: 0px 0px 3px 0px;
}
.connected_info .operation {
  position: absolute;
  display: inline-block;
  right: 30px;
}

微信小程序源代码下载：

http://www.urion.cn/web/upic/dv/ufr106btcn.wxxcx.az.ys.code.rar