const val = gb.encodeToGb2312('测试')     const num = that.data.value      console.log(val);      var buffer = util.stringToBytes('+$CCTXA,' + num + ',1,2,A4' + val + '*7C\n');      console.log(buffer);      wx.writeBLECharacteristicValue({        deviceId: app.globalData.deviceId,        serviceId: app.globalData.serviceId,        characteristicId: '0000FFE2-0000-1000-8000-00805F9B34FB',        value: buffer,        success: function () {},      })

[图片]

[图片] <view class="top">   <!-- <image class="back" bindtap="back1" src="../../images/back.png"></image> -->   <view class="search-box">     <view class="region" bindtap="keyword_v">我的位置</view>     <view class="shu"></view>     <input bindinput="getsuggest" placeholder="{{startpoint_show}}" value="{{startpoint_show}}"></input>     <!-- <view >{{startpoint_show}}</view> -->   </view> </view> <!-- show-location scale="14" --> <map id="map" class="navi_map"  longitude="{{longitude}}" markers="{{markers}}" latitude="{{latitude}}" include-points='{{points}}' polygons="{{polyline}}" bindregionchange="regionchange" scale="{{scale}}" show-location bindcontroltap="controltap">   <cover-view class="cover-view">     <cover-view class="container">       <cover-view class="flex-wrp" style="flex-direction:row;">         <cover-image class="flex-item demo-text-1" src="../../images/dingwei.png" bindtouchstart="keyword_v"></cover-image>       </cover-view>     </cover-view>   </cover-view> </map> <!--关键词输入提示列表渲染--> <view class="add-list-box" wx:if="{{add}}">   <scroll-view class="near-list">     <view bindtouchstart="chooseCenter" data-keywords="{{i.name}}" data-location="{{i.location}}" class="add-item " wx:for="{{tips}}" wx:for-item="i">{{ i.name }}       <text class="add">{{i.district}}</text>     </view>   </scroll-view>   <view class="bottom-box">     <button bindtap="selectedOk">确认地址</button>   </view> </view>