
    <nz-radio-group [(ngModel)]="placement">
      <label nz-radio-button nzValue="bottomLeft">bottomLeft</label>
      <label nz-radio-button nzValue="bottomRight">bottomRight</label>
      <label nz-radio-button nzValue="topLeft">topLeft</label>
      <label nz-radio-button nzValue="topRight">topRight</label>
    </nz-radio-group>
    <br />
    <br />
    <nz-date-picker [nzPlacement]="placement"></nz-date-picker>
    <br />
    <nz-range-picker [nzPlacement]="placement"></nz-range-picker>
  