最简单的方法是在事件处理程序上调用停止传播。$event在Angular 2中的工作原理是一样的，它包含了正在发生的事件(鼠标点击、鼠标事件等等):

(click)="onEvent($event)"

在事件处理程序中，我们可以停止传播:

onEvent(event) {
   event.stopPropagation();
}

试试这个指令

@Directive({
    selector: '[stopPropagation]'
})
export class StopPropagationDirective implements OnInit, OnDestroy {
    @Input()
    private stopPropagation: string | string[];

    get element(): HTMLElement {
        return this.elementRef.nativeElement;
    }

    get events(): string[] {
        if (typeof this.stopPropagation === 'string') {
            return [this.stopPropagation];
        }
        return this.stopPropagation;
    }

    constructor(
        private elementRef: ElementRef
    ) { }

    onEvent = (event: Event) => {
        event.stopPropagation();
    }

    ngOnInit() {
        for (const event of this.events) {
            this.element.addEventListener(event, this.onEvent);
        }
    }

    ngOnDestroy() {
        for (const event of this.events) {
            this.element.removeEventListener(event, this.onEvent);
        }
    }
}

使用

<input 
    type="text" 
    stopPropagation="input" />

<input 
    type="text" 
    [stopPropagation]="['input', 'click']" />

这招对我很管用:

mycomponent.component.ts:

action(event): void {
  event.stopPropagation();
}

mycomponent.component.html:

<button mat-icon-button (click)="action($event);false">Click me !<button/>

这解决了我的问题，从防止一个事件被一个孩子触发:

doSmth () { // what ever ｝ < div(点击)= " doSmth ()" > < div(点击)= " $ event.stopPropagation ()" > <组件> < /组件> < / div > < / div >

我刚刚检查了一个Angular 6应用程序，event. stoppropagation()在一个事件处理程序上工作，甚至不需要传递$event

(click)="doSomething()"  // does not require to pass $event


doSomething(){
   // write any code here

   event.stopPropagation();
}

在函数后添加false将停止事件传播

<a (click)="foo(); false">click with stop propagation</a>