schoolwisdoms-student-mp/pages/uploadShow/uploadShow.wxml

<view class="container">
  <form catchsubmit="formSubmit">
  <view class="show-box">
    <view class="title">选择关联课程</view>
    <view class="select-view">
      <picker bindchange="bindPickerChange" value="{{arrIndex}}" range="{{array}}" range-key="name">
          <view class="picker">
            {{array[arrIndex].name}}
          </view>
        </picker>
    </view>
    <view class="title">标题</view>
    <view class="input-view">
      <input name="title" placeholder="请输入视频标题" maxlength="20" />
    </view>
    <view class="title textarea-title">视频说明</view>
    <view class="textarea-view">
      <textarea name="content" placeholder="与大家具体描述这次精彩的表现内容把" maxlength="200"></textarea>
    </view>
  </view>
  <view class="video-box">
    <view class="title">上传视频</view>
    <view class="uploadImg-task-view">
      <view class="my-img-view" wx:for="{{videoItems}}" wx:key="index" data-index="{{index}}" catchtap="showVideo">
        <view class="new-task-img">
          <image src="{{item.imgUrl}}"></image>
        </view>
        <view class="del-btn" data-index="{{index}}" catchtap="delVideo">X</view>
      </view>
      <view class="upload-btn" bindtap="addVideo">
        <view style="margin-top:30rpx">
          <image src="/images/addFile.png"></image>
          <view>添加视频</view>
        </view>
      </view>
      </view>
  </view>
    <view class="btn-view">
      <button class="submint-btn" formType="submit">发布</button>
    </view>
  </form>
</view>