Angular Material Paginator:如何在ts文件上触发转到首页事件 [英] Angular Material Paginator: How to trigger go to first page event on ts file

问题描述

我正在使用物料分页器对某些自定义卡片进行分页.我做了一个选择器来过滤数据.当我更改选择器值时，我想触发分页器转到首页事件.因为例如当我查看第10页并更改了过滤器的值时，如果我没有足够的数据显示在10.page上，则显示空白页.

Im using material paginator for paging some custom cards. And i made a selector for filter the data. I want to trigger paginator go to first page event when i changed the selector value. Because for example while im looking at page 10 and changed filter value paginator show me the empty page if i dont have enough data to show at 10.page.

推荐答案

我解决了我的问题.解决方案;导入

I solved my problem. Solution; import

import { MatPaginator } from '@angular/material';

这在您的.ts文件中.(不是app.module.ts)

this at your .ts file. (not app.module.ts)

将此添加到同一文件

@ViewChild(MatPaginator) paginator: MatPaginator;

在选择器数据更改事件上调用此功能

call this funtion at your selector data change event

this.paginator.firstPage();

最后，您应该更改分页器的长度，我就是这样；

lastly you should change your paginator length, i made this like that;

this.paginator.length=mock.length;

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