|  |  | 
 |  |  |       <i class="anticon anticon-plus"></i><span>新建</span> | 
 |  |  |     </button> | 
 |  |  |     <ng-container *ngIf="selectedRows.length > 0"> | 
 |  |  |       <button nz-button [nzSize]="'large'">批量操作</button> | 
 |  |  |       <nz-dropdown [nzPlacement]="'bottomLeft'"> | 
 |  |  |         <button nz-button nz-dropdown [nzSize]="'large'"> | 
 |  |  |           更多操作 <i class="anticon anticon-down"></i> | 
 |  |  |         </button> | 
 |  |  |         <ul nz-menu> | 
 |  |  |           <li nz-menu-item (click)="remove()">删除</li> | 
 |  |  |           <li nz-menu-item (click)="approval()">批量审批</li> | 
 |  |  |         </ul> | 
 |  |  |       </nz-dropdown> | 
 |  |  |        <button nz-button [nzSize]="'large'" (click)="remove()">批量删除</button> | 
 |  |  |     </ng-container> | 
 |  |  |   </div> | 
 |  |  |   <div class="mb-md"> |