<view class="top" />
<My_listBox id='ListBox' height='{{scrollHeight}}' bind:getlist='getList'>
    <view class="unread">总共{{total}}条，未读{{unreadNum}}条</view>
    <navigator class="list-box" url="#" wx:for="{{list}}" data-item="{{item}}" bindtap="toDetails">
        <Item item="{{item}}" />
    </navigator>
    <My_empty wx:if="{{!list.length}}" />
    <view style="height: 40px;" />
</My_listBox>