@Component({
    selector: 'a-component',
    template: `
        <ng-template #dynamicFilterConditionComponent></ng-template>
    `
})
export class Acomponent implements OnInit {
	// static true表示可以在 完全初始化组件视图之前调用
	// read: ViewContainerRef 表明类型
    @ViewChild('dynamicComponent', { static: true, read: ViewContainerRef }) dynamicComponent: ViewContainerRef;

    componentRef: ComponentRef<any>;
    
	key：string;

	//组件map
    componentsMap = {
        [ConfigTypeKeyEnum.SEARCH_SCOPE]: SearchScopeComponent
    };

    constructor() {}

    ngOnInit(): void {
        this.createComponent();
    }

    createComponent() {
        this.clearComponent();
        this.componentRef = this.filterComponent.createComponent(this.componentsMap[this.type]);
        // 动态组件传值
        this.componentRef.instance.key = this.key;
        this.componentRef.instance.valueChange.subscribe((query) => {
            // 这里用来处理动态创建组件的回调
        });
    }

    clearComponent() {
        this.filterComponent.clear();
    }
}