Question

我创建了一个文本框和一个数组。我想根据文本框值过滤数组项。

 <div class="searchboxt"> <input type="text" placeholder="Search Tickets" 
 class="searchboxttext" [(ngModel)]="searchfav"/> </div>
 <li class="selectlistticket" *ngFor="let fav of (favlist.slice().reverse() 
 | SearchfilterPipe: searchfav)" (mouseover)="showfavstar(fav)" (mouseleave)
 ="hidefavstar(fav)">

如何在angular2中过滤数组？

Answer 1

@Query("select p from Profile p where upper(p.firstName) like concat('%', upper(?1), '%') or upper(p.lastName) like concat('%', upper(?2), '%') or upper(p.midName) like concat('%', upper(?3), '%')")
List<Profile> getByNames(String firstName, String lastName, String midName);

这比我预期的要好100％。将其保存为管道并将其导入到appmodule和组件中。

import { Pipe, PipeTransform } from '@angular/core';

@Pipe({
  name: 'searchfilter',
  pure: false
})
export class SearchfilterPipe implements PipeTransform {

  transform(items: any, term: any): any {
    if (term === undefined) return items;

    return items.filter(function(item) {
      for(let property in item){
        if (item[property] === null){
          continue;
        }
        if(item[property].toString().toLowerCase().includes(term.toLowerCase())){
          return true;
        }
      }
      return false;
    });
  }
}

如何在angular2中进行数组搜索过滤？

1 个答案: