
    <button nz-button nzType="primary" nzLoading>
      <nz-icon nzType="poweroff" />
      Loading
    </button>
    <button nz-button nzType="primary" nzSize="small" nzLoading>Loading</button>
    <br />
    <button nz-button nzType="primary" (click)="loadOne()" [nzLoading]="isLoadingOne">Click me!</button>
    <button nz-button nzType="primary" (click)="loadTwo()" [nzLoading]="isLoadingTwo">
      <nz-icon nzType="poweroff" />
      Click me!
    </button>
    <br />
    <button nz-button nzLoading nzShape="circle"></button>
    <button nz-button nzLoading nzType="primary" nzShape="circle"></button>
  