沒有導出成員Angular

Question

[為什么紅色波浪狀錯誤]

視覺標准錯誤
錯誤畫面

'“ /Users/dev/pratice_workspace/quickstart/src/app/components/language.component”'沒有導出的成員'LangugeComponent'。 導入LangugeComponent

Chrome控制台中的錯誤

ZoneAwareError __zone_symbol__error：錯誤：（SystemJS）模塊'AppModule'聲明的異常值'undefined'錯誤：SyntaxError.ZoneAwareError（模塊'AppModule'聲明的異常值'undefined'（

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AppComponent } from './app.component';
import { LangugeComponent } from './components/language.component';
@NgModule({
    imports: [BrowserModule],
    declarations: [AppComponent, LangugeComponent],
    bootstrap: [AppComponent]
})
export class AppModule {}

language.component.ts

import { Component } from '@angular/core';
@Component({
    selector: 'language',
    template: `
  <h1>Hello</h1>

  `,
})
export class LanguageComponent {
    name = 'Sandeep';
    designation = 'SE'
}

Answer 1

看起來您在app.module.ts有錯字

import { LangugeComponent } from './components/language.component'

declarations: [AppComponent, LangugeComponent]`

應該

import { LanguageComponent } from './components/language.component'

declarations: [AppComponent, LanguageComponent]`