
    <nz-radio-group [(ngModel)]="radioValue" nzButtonStyle="solid">
      <label nz-radio-button nzValue="A">Hangzhou</label>
      <label nz-radio-button nzValue="B">Shanghai</label>
      <label nz-radio-button nzValue="C">Beijing</label>
      <label nz-radio-button nzValue="D">Chengdu</label>
    </nz-radio-group>
  