ElinkThings_miniAppSDKDemo/aifresh_demo/pages/index/index.wxml

<wxs module="utils">
module.exports.max = function(n1, n2) {
  return Math.max(n1, n2)
}
module.exports.len = function(arr) {
  arr = arr || []
  return arr.length
}
module.exports.fill0 = function(num) {
  if (!num) {
    return '00'
  }
  return ('00' + num).slice(-2)
}
</wxs>

<block wx:if="{{!connected}}">
  <button bindtap="openBluetoothAdapter">开始扫描</button>
  <button bindtap="stopBluetoothDevicesDiscovery">停止扫描</button>
  <button bindtap="closeBluetoothAdapter">结束流程</button>
  <button bindtap="clearDevices">清空列表</button>
  <view class="devices_summary">已发现 {{devices.length}} 个外围设备：</view>
  <view class="device_list">
    <view wx:for="{{devices}}" wx:key="index"
    class="device_item">
      <view style="font-size: 16px; color: #333;">{{item.name || item.localName}}</view>
      <view style="font-size: 10px">信号强度: {{item.RSSI}}dBm ({{utils.max(0, item.RSSI + 100)}}%)</view>
      <view style="font-size: 10px">mac地址: {{item.deviceId}}</view>
      <view 
        class="device_item_btn" 
        hover-class="btn_hover"
        data-device-id="{{item.deviceId}}"
        data-name="{{item.name || item.localName}}"
        data-index="{{index}}"
        bindtap="createBLEConnection" 
      >连接</view>
    </view>
  </view>
</block>
<view class="wrap" wx:else>
  <view class="stopConnect">
    <view>{{mac}}</view>
    <view class="btn_connect" hover-class="btn_hover" bindtap="closeBLEConnection">断开连接</view>
  </view>
  <view class="weight_wrap">
    <view class="weight_title">WEIGHT</view>
    <view class="weight_value">
      <view class="value_item">{{weight}}</view>
      <view class="value_item">{{unit}}</view>
    </view>
  </view>
  <view class="timer_wrap">
    <view class="timer_title">TIMER</view>
    <view class="timer_value">
      <view class="value_item">{{utils.fill0(min)}}</view>
      <view>:</view>
      <view class="value_item">{{utils.fill0(second)}}</view>
    </view>
  </view>
  <view class="btn_wrap">
    <button bindtap="tare">TARE(去皮)</button>
    <button bindtap="getUnits">获取设备支持的单位</button>
    <button bindtap="countUp">正计时开始</button>
    <button bindtap="countUpPause">正计时暂停</button>
    <button bindtap="countDown">倒计时开始</button>
    <button bindtap="countDownPause">倒计时暂停</button>
    <button bindtap="resetTime">重置时间</button>
    <view class="btn_unitList_title">切换单位</view>
    <view class="btn_unitList">
      <view class="btn_unit" hover-class="btn_hover" wx:for="{{unitList}}" wx:key="index" bindtap="selectUnit" data-unit="{{item}}" data-index="{{index}}">{{item}}</view>
    </view>
  </view>
  <view class="btn_unitList_title">{{text}}</view>
</view>