sidebar.component.html

            <div class="logo padding-40">
                智能运维监控
            </div>
            <ul nz-menu [nzMode]="'inline'">
                <li nz-submenu  (nzOpenChange)="openHandler(item)"  *ngFor="let item of menuList" [(nzOpen)]="item.checked">
                    <span title><i class="icon iconfont icon-{{item.imageUrl}}"></i>{{item.name}}</span>
                    <ul>
                        <li nz-menu-item *ngFor="let child of item.children" routerLink="{{child.url}}">{{child.name}}</li>
                    </ul>
                </li>
            </ul>