Angular练习之animations动画三

  <div *ngIf="Group" style="height: 100px;width: 100px;background-color: black; border-radius: 50px;"
       [@GroupAnimate]="boxState" (@GroupAnimate.done)="Callback(false)" (@GroupAnimate.start)="Callback(true)">
  </div>


  Callback(f:boolean){
    if(f){
      console.log("动画开始");
    }else {
      console.log("动画结束");
    }
  }

/*
query选择器演示
用法和css选择器大致相同
 */
export const QueryAnimate = trigger('QueryAnimate',[
    transition('off=>on', [
      // 先全部隐藏
      query('div', style({ opacity: 0 })),
      // 再执行动画
      query('.box-top', animate('500ms',keyframes([
        style({opacity: 0, transform: 'translateY(-400%)', offset: 0}),
        style({opacity: 1, transform: 'translateY(0)',     offset: 1.0})
      ]) )),
      query('.box-center', animate('500ms',keyframes([
        style({opacity: 0, transform: 'translateX(-400%)', offset: 0}),
        style({opacity: 1, transform: 'translateX(0)',     offset: 1.0})
      ]) )),
      query('.box-foot', animate('500ms',keyframes([
        style({opacity: 0, transform: 'translateY(400%)', offset: 0}),
        style({opacity: 1, transform: 'translateY(0)',     offset: 1.0})
      ]) )),
      query('h2', animate('500ms',keyframes([
        style({transform:'scale(0.5)'}),
        style({transform: 'scale(1)'})
      ]) )),
    ]),
    transition('on=>off', [
      query('.box-top', animate('500ms',keyframes([
        style({opacity: 1, transform: 'translateY(0)'}),
        style({opacity: 0, transform: 'translateY(-400%)'})
      ]) )),
      query('.box-center', animate('500ms',keyframes([
        style({opacity: 1, transform: 'translateX(0)'}),
        style({opacity: 0, transform: 'translateX(-400%)'})
      ]) )),
      query('.box-foot', animate('500ms',keyframes([
        style({opacity: 1, transform: 'translateY(0)'}),
        style({opacity: 0, transform: 'translateY(400%)'})
      ]) )),
      query('h2', animate('500ms',keyframes([
        style({transform:'scale(1)'}),
        style({transform: 'scale(0.5)'})
      ]) )),
    ])
  ]);