你好,我是用ionic 2(version released 2.0)
和angular 2(version core 2.2.1)
試圖使一個陣列管道過濾器,但它始終顯示錯誤 無法讀取的不確定對管道過濾器的離子2錯誤(TypeError:無法讀取屬性未定義「過濾器」)
import { Pipe ,PipeTransform } from '@angular/core';
@Pipe({ name: 'fetch', pure: false })
export class Search implements PipeTransform {
transform(items:Array, conditions:{[field:string]:any}):Array {
return items.filter(item => { for (let field in conditions) {
if (item[field] !== conditions[field]) {
return false;
}
}
return true;
});
}
}
HTML
`<ion-content>
<ion-searchbar [(ngModel)]="term" [showCancelButton]="true"></ion-searchbar>
<ion-grid class="category">
<ion-row text-center wrap>
<ion-col width-33 *ngFor="let d of total|fetch:term">
<p> {{d.name}} </p>
</ion-col>
</ion-row>
</ion-grid>
</ion-content>`
JSON responce code in total array [{id:1 ,name:"abc" },{id:2 ,name:"xyz" }]
的代碼添加到questio n ..不發表評論.. –
我正在創建一個數組搜索過濾器,它顯示這個錯誤任何方式hows我可以使數組搜索過濾器在離子2 –
你可以添加html端? –