Angular涓搷浣淒OM
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- 浣跨敤ViewChildren鐩戝惉DOM浜嬩欢
- 瀹樻柟鏂囨。
- You can use ViewChildren to get the QueryList of elements or directives from the view DOM. Any time a child element is added, removed, or moved, the query list will be updated, and the changes observable of the query list will emit a new value.
- View queries are set before the ngAfterViewInit callback is called.
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<!--Tiles-->
<div id="scroll-div-showall-screenshot" class="row scroll-div" *ngIf="currentData; else assetoeeloading" infiniteScroll
[infiniteScrollDistance]="2" [infiniteScrollThrottle]="50" (scrolled)="onScroll()" [scrollWindow]="false">
<div #allAssetTiles class="col-12 col-sm-12 col-md-6 col-lg-4 col-xl-3 pb-3"
*ngFor="let data of currentData; let last = last">
<amp-oee-tile kpi="oee" [data]="data" [timeframe]="currentTimeFrame"></amp-oee-tile>
</div>
</div>
import Component, ElementRef, ViewChildren, QueryList, OnInit, OnDestroy, AfterViewInit from '@angular/core';
export class OeeOverviewComponent implements OnInit, OnDestroy, AfterViewInit
@ViewChildren('allAssetTiles') allAssetTiles: QueryList<any>;
ngAfterViewInit()
this.allAssetTiles.changes.subscribe(t =>
this.scrollToPreviousPosition();
);
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