
    <nz-cascader
      [nzChangeOn]="validate"
      [nzOptions]="nzOptions"
      [nzLabelProperty]="'name'"
      [nzValueProperty]="'code'"
      [nzShowSearch]="true"
      [(ngModel)]="values"
      (ngModelChange)="onChanges($event)"
    ></nz-cascader>
  