Angular4 @HostBinding @HostListener

host属性

@Component({

selector: ‘jhi-project‘,

templateUrl: ‘./project.html‘,

styleUrls: [],

host: { ‘(window:keydown)‘: ‘keyboardInput($event)‘ }    //绑定事件和方法

})

export class JhiProjectComponent {

keyboardInput(event) {

if (event.keyCode == 65 && event.ctrlKey) {

// ctrl + a

....

}

}

}

@HostBinding

@HostListener