
    <nz-cascader
      [nzSize]="'large'"
      [nzOptions]="nzOptions"
      [(ngModel)]="value1"
      (ngModelChange)="onChanges($event)"
    ></nz-cascader>
    <br />
    <br />
    <nz-cascader [nzOptions]="nzOptions" [(ngModel)]="value2" (ngModelChange)="onChanges($event)"></nz-cascader>
    <br />
    <br />
    <nz-cascader
      nzSize="small"
      [nzOptions]="nzOptions"
      [(ngModel)]="value3"
      (ngModelChange)="onChanges($event)"
    ></nz-cascader>
  