我正在尝试使用管道过滤Angular中的表的帖子,但是我一直在控制台上遇到此错误:core.js:12689无法绑定到ngForFilter,因为它不是'一个'。
我认为错误在于filter:filterPost,但不知道如何解决。有什么线索吗?
我的html代码如下。
<div class="form-group">
<label for="exampleFormControlInput1">Busca un reporte</label>
<input type="text" class="form-control" id="exampleFormControlInput1" name="filterPost" placeholder="Busca.." [(ngModel)]="filterPost">
</div>
<a *ngFor="let report of All_reports | paginate: { itemsPerPage: 10, currentPage: actualPage }; let i = index;
filter: filterPost" class="list-group-item list-group-item-action flex-column align-items-start" [routerLink]="['/reporte-admin']"
routerLinkActive="router-link-active" (click)="onSubmit(report._id)">
<div class="d-flex w-100 justify-content-between">
<h5 class="mb-1">Reporte #: {{report._id}}</h5>
<small>{{i+1}}</small>
</div>
<p class="mb-1">Comentario: {{report.comentario}}</p>
<small class="text-muted">Nombre: {{report.nombre}} {{report.apellido}}</small>
</a>
<br>
这是我的filter.pipe.ts代码:
@Pipe({
name: 'filter'
})
export class FilterPipe implements PipeTransform {
transform(value: any, arg: any): any {
const resultPosts = [];
for(const report of value){
if(report._id.indexOf(arg) > -1){
resultPosts.push(report);
};
};
return resultPosts;
}
}
我相信你应该做这样的事情
*ngFor="let report of All_reports | paginate: { itemsPerPage: 10, currentPage: actualPage } | filter: filterPost; let i = index;"