angular

Angular 2 RC6 앱을 실행하려고 할 때 브라우저 콘솔에 다음과 같은 오류가 발생합니다.

> Error: Template parse errors: 'header-area' is not a known element:
> 1. If 'header-area' is an Angular component, then verify that it is part of this module.
> 2. If 'header-area' is a Web Component then add "CUSTOM_ELEMENTS_SCHEMA" to the '@NgModule.schema' of this component
> to suppress this message.("

    <div class="page-container">
        [ERROR->]<header-area></header-area>
        <div class="container-fluid">

> "): PlannerComponent@1:2

구성 요소를 찾을 수없는 이유를 모르겠습니다. 내 PlannerModule은 다음과 같습니다.

@NgModule({
  declarations: [
    PlannerComponent,
    HeaderAreaComponent,
    NavbarAreaComponent,
    EreignisbarAreaComponent,
    GraphAreaComponent,
    nvD3
    ],
  imports: [
    RouterModule,
    CommonModule,
    ModalModule
    ],
  bootstrap: [PlannerComponent],
})
export class PlannerModule {}

ng2의 모듈 개념을 이해하는 한 모듈의 일부는 ‘선언’으로 선언됩니다. 완전성을 위해 PlannerComponent는 다음과 같습니다.

@Component({
  selector: 'planner',
  providers: [CalculationService],
  templateUrl: './planner.component.html',
  styleUrls: ['./planner.component.styl']
})
export default class PlannerComponent {
}

및 HeaderAreaComponent :

@Component({
  selector: 'header-area',
  templateUrl: './header-area.component.html',
  styleUrls: ['./header-area.component.styl']
})
export default class HeaderAreaComponent {
}

<header-area>태그 지정은 planner.component.html에 있습니다 :

<div class="page-container">
  <header-area></header-area>
  <div class="container-fluid">

    <div class="row">...

내가 뭔가 잘못 받았 니?

업데이트 : 완전한 코드

planner.module.ts :

import HeaderAreaComponent from '../header-area/header-area.component';
import NavbarAreaComponent from '../navbar-area/navbar-area.component';
import GraphAreaComponent from '../graph-area/graph-area.component';
import EreignisbarAreaComponent from '../ereignisbar-area/ereignisbar-area.component';
import PlannerComponent from './planner.component';
import {NgModule} from '@angular/core';
import {nvD3} from 'ng2-nvd3';
import {RouterModule} from '@angular/router';
import {CommonModule} from '@angular/common';
import {ModalModule} from 'ng2-bootstrap/ng2-bootstrap';

@NgModule({
  declarations: [
    PlannerComponent,
    HeaderAreaComponent,
    NavbarAreaComponent,
    EreignisbarAreaComponent,
    GraphAreaComponent,
    nvD3
  ],
  imports: [
    RouterModule,
    CommonModule,
    ModalModule
  ],
  bootstrap: [PlannerComponent],
})
export class PlannerModule {
  // TODO: get rid of the "unused class" warning
}

planner.component.ts

import {Component} from '@angular/core';
import CalculationService from '../_shared/services/calculation.service/calculation.service';
import HeaderAreaComponent from '../header-area/header-area.component';

@Component({
  selector: 'planner',
  providers: [CalculationService],
  templateUrl: './planner.component.html',
  styleUrls: ['./planner.component.styl']
})
export default class PlannerComponent {
}

planner.component.html

<div class="page-container">
  <header-area></header-area>
  <div class="container-fluid">

    <div class="row">
      <div class="col-xs-2 col-sm-1 sidebar">
        <navbar-area></navbar-area>
      </div>
      <div class="col-xs-10 col-sm-11">
        <graph-area></graph-area>
      </div>
    </div><!--/.row-->

    <div class="row">
      <div class="col-xs-10 col-sm-11 offset-sm-1">
        <ereignisbar-area></ereignisbar-area>
      </div>
    </div><!--/.row-->

  </div><!--/.container-->
</div><!--/.page-container-->

답변

@NgModule({
  declarations: [
    MyComponent
  ],
  exports: [
    MyComponent
  ]
})
export class ModuleA {}

@NgModule({
  imports: [
    ModuleA
  ]
})
export class ModuleB {}

@NgModule({
  declarations: [
    AppComponent,
    PlannerComponent,
    ProfilAreaComponent,
    HeaderAreaComponent,
    NavbarAreaComponent,
    GraphAreaComponent,
    EreignisbarAreaComponent
  ],
  imports: [
    BrowserModule,
    RouterModule.forRoot(routeConfig),
    PlannerModule
  ],
  bootstrap: [AppComponent]
})
export class AppModule {

@NgModule({
  declarations: [
    AppComponent
  ],
  imports: [
    BrowserModule,
    RouterModule.forRoot(routeConfig),
    PlannerModule
  ],
  bootstrap: [AppComponent]
})
export class AppModule {
}

<header-area></header-area>

<app-header-area></app-header-area>

import { ---, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
import { FlashMessageModule } from "angular-flash-message";


@NgModule({
  ---------------
  imports: [
    FlashMessageModule,
    ------------------
  ],
  -----------------
  schemas: [ CUSTOM_ELEMENTS_SCHEMA ]
  ------------
})

import { HeaderAreaComponent } from '../header-area.component';
//change path according your project

<app-header></app-header>
<router-outlet></router-outlet>

import { HeaderComponent } from './header/header.component';

describe('AppComponent', () => {
  beforeEach(async(() => {
    TestBed.configureTestingModule({
      imports: [
        RouterTestingModule
      ],
      declarations: [
        App`enter code here`Component,
        HeaderComponent <------------------------
      ],
    }).compileComponents();
  }));
});