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[英]Angular 5 Material Paginator resets to negative values when updating pageIndex
[英]Set pageIndex in Angular material paginator not working when page loaded for first time
我希望 Angular 的分页器在页面刷新时从第二页开始,但我收到了这个错误
ERROR TypeError: Cannot set property 'pageIndex' of undefined
我尝试使用延迟,但这不是一个好的解决方案,
HTML
<mat-paginator #paginator
showFirstLastButtons
[length]="length"
[pageSize]="pageSize"
[pageSizeOptions]="pageSizeOptions"
(page)="pageEvent = changePage($event)">
</mat-paginator>
TypeScript
@ViewChild('paginator', { static: true }) paginator;
pageSize = 5;
pageSizeOptions: number[] = [5, 10, 50, 100];
pageEvent: PageEvent;
buttonDisablity = true;
ngOnInit(): void {
this.paginator.pageIndex = 2;
}
ngOnInit
钩子无权访问viewchild
实例。 ViewChild
实例仅在afterViewInit
钩子中或之后可用。
ngAfterViewInit(): void {
this.paginator.pageIndex = 2;
}
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