<!--pages/main/smartchat/chat.wxml-->
<view>
  <scroll-view>
    <view wx:for="{{datas}}">
      <view >666</view>
    </view>
  </scroll-view>
  <view style='  width: 100%;height: 50rpx;position: fixed; bottom: 0rpx;text-align:center'>
    <text>发送</text>
  </view>
</view>