werun-wxapp/nova-werun/pages/circle/send-circle/index.wxml

<!--nova-werun/pages/send-circle/index.wxml-->
<nav type="back"  background-color="{{'#87ceeb'}}" front-color="{{'#ffffff'}}"></nav>
<view class="all" style="height: {{contentHeight}}rpx;">
    <view class="{{fileList.length==0&&!inputValue?'send2':'send'}}" bindtap="send">发送</view>
    <view class="text">
        <textarea placeholder="输入内容" class="textarea" style="height: {{textareaHeight}}rpx;"  maxlength='300' 	auto-height='true' bindinput="onInput" value="{{inputValue}}"></textarea>
    </view>
    <upload style="width: 50%;" bind:onChangeFile="picture" uploadURL="{{uploadURL}}" domain="{{domain}}" uptokenURL="{{uptokenURL}}" maxCount="12" />
</view>