我創建了一個顯示問題所在的plunker。組件無法正常渲染
https://plnkr.co/edit/a7F616WCoKbSGXzlYGsM?p=preview
我有我想要在另一個組件使用的成分,我導入它,並把它添加到指令:[]組件裝飾的,並沒有使...
的組件是line-list.component,它的選擇器是gb-line-list,我試圖在這個文件app/area-list.component.ts中使用它。
第一頁顯示了一個區域列表,當點擊一個區域時,我想用行列表來顯示該區域的細節。這是不渲染行的那個列表...
區域detail.component.ts
import {Component, Input, OnInit} from 'angular2/core';
import {RouteParams} from 'angular2/router';
import {LineListComponent} from './line-list.component';
import {Area} from './area.interface';
import {LineService} from './lines.service';
@Component({
selector: '[gb-area-detail]',
directives: [LineListComponent],
template: `
<div *ngIf="area">
<h2>{{area.name}} area</h2>
<gb-line-list [areaId]="area.id"></gb-line-list>
</div>
`
})
export class AreaDetailComponent implements OnInit {
private area: Area;
constructor(
private _lineService: LineService,
private _routeParams: RouteParams){}
ngOnInit() {
let id = +this._routeParams.get('id');
this._lineService.getArea(id)
.then(area => this.area = area);
}
}
線list.component.ts
import {Component, OnInit, Input} from 'angular2/core';
import {LineService} from './lines.service';
import {Line} from './line.interface';
@Component({
selector: '[gb-line-list]',
template: `
<ul>
<li *ngFor="#line of lines">{{line.name}}</li>
</ul>
`
})
export class LineListComponent implements OnInit {
@Input() areaId: number;
private lines: Line[];
constructor (
private _lineService: LineService) {}
getLines() {
this._lineService.getLines(this.areaId)
.then(lines => this.lines = lines);
}
ngOnInit() {
this.getLines();
}
}
:P –
是,我意識到它是haha – JCorriveau
選擇器選擇器:'[gb-line-list]'是屬性選擇器,但是您將它用作元素選擇器。這裏是[you plunker fixed](https://plnkr.co/edit/EbDwX0De64yUJ9pkAM8C?p=preview),更改了area-detail.component.ts的第14行 – Abdulrahman