<navigator class="my-card" url="#" wx:for="{{list}}" data-item="{{item}}" bindtap="openFile">
    <view class="flie-left">
        <image class="image" src="/static/image/file/{{item.postfix}}.png" />
        <view class="details">
            <view class="name line-1">{{item.document}}</view>
            <view class="time">{{item.createdate}}</view>
        </view>
    </view>
    <view class="flie-right" data-item="{{item}}" catchtap="changeChecked">
        <van-checkbox value="{{ checkedId==item.attachmentid }}" data-item="{{item}}" icon-size="25rpx" />
    </view>
</navigator>