my_loan/htmldev/shiningWxMini/pages/addNews/addNews.wxml

<view class="wrapper">
  <view
    class="btns">
    <view class="cancel" bind:tap="handleCancel">取消</view>
    <view class="add" bind:tap="onSubmit">发布</view>
  </view>
  <view class="form-wrap">
    <textarea
      value=""
      placeholder="写下此刻的想法..."
      placeholder-class="placeholder-class"
      maxlength="-1"
      auto-height="{{true}}"
      cursor-spacing="{{60}}"
      bind:input="handleInput"></textarea>
    <view
      class="van-uploader-wrap">
      <van-uploader
        file-list="{{ form.track_img_url }}"
        max-count="{{track_img_url_max}}"
        multiple="{{true}}"
        accept="image"
        data-formkey="track_img_url"
        bind:click-preview="uploadImg"
        bind:after-read="afterRead"
        bind:delete="delete"/>
    </view>
  </view>
</view>