@inject IRepository<Area> areaRepo
@inject IRepository<Organ> organRepo
@inject IRepository<User> userRepo
@inject IRepository<Building> buildingRepo
@{
    HideBread = true;
    var areas = areaRepo.ReadOnlyTable().Count(o => o.ParentId != null);
    var organs = organRepo.ReadOnlyTable().Count(o => o.ParentId != null);
    var users = userRepo.ReadOnlyTable().Count();
    var buildings = buildingRepo.ReadOnlyTable().Count(o => o.Type == BuildingType.Building);
}
<br />
<div class="row">
    <div class="col-lg-3 col-6">
        <!-- small box -->
        <div class="small-box bg-info">
            <div class="inner">
                <h3>@areas</h3>
                <p>区域</p>
            </div>
            <div class="icon">
                <i class="ion ion-earth"></i>
            </div>
            <a href="@Url.Action(null,"Area",new { area="Admin"})" class="small-box-footer">More info <i class="fas fa-arrow-circle-right"></i></a>
        </div>
    </div>
    <div class="col-lg-3 col-6">
        <div class="small-box bg-success">
            <div class="inner">
                <h3>@organs</h3>

                <p>机构</p>
            </div>
            <div class="icon">
                <i class="ion ion-home"></i>
            </div>
            <a href="@Url.Action(null,"Organ",new { area="Admin"}))" class="small-box-footer">More info <i class="fas fa-arrow-circle-right"></i></a>
        </div>
    </div>
    <div class="col-lg-3 col-6">
        <div class="small-box bg-warning">
            <div class="inner">
                <h3>@users</h3>

                <p>用户</p>
            </div>
            <div class="icon">
                <i class="ion ion-person-add"></i>
            </div>
            <a href="@Url.Action(null,"User",new { area="Admin"}))" class="small-box-footer">More info <i class="fas fa-arrow-circle-right"></i></a>
        </div>
    </div>
    <div class="col-lg-3 col-6">
        <div class="small-box bg-danger">
            <div class="inner">
                <h3>@buildings</h3>

                <p>建筑</p>
            </div>
            <div class="icon">
                <i class="ion ion-pie-graph"></i>
            </div>
            <a href="@Url.Action(null,"Building",new { area="Admin"}))" class="small-box-footer">More info <i class="fas fa-arrow-circle-right"></i></a>
        </div>
    </div>
</div>
<div>
    <h1>此处显示设备种类、数量的统计信息，显示定时器和触发器的统计信息，考虑按机构显示</h1>
</div>