Question

[为什么红色波浪形的错误]

视觉标准中的错误
error screnshot

' “/用户的/ dev / pratice_workspace /快速启动/ SRC /应用/组件/ language.component”' 没有导出的成员'LangugeComponent'。 import LangugeComponent

Chrome控制台错误

ZoneAwareError __zone_symbol__error：错误：（SystemJS）意外模块'AppModule'声明的值'undefined'错误：意外模块'AppModule'声明的值'undefined' SyntaxError.ZoneAwareError（

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

您似乎在app.module.ts

中输了错字

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

declarations: [AppComponent, LangugeComponent]`

应该是

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

declarations: [AppComponent, LanguageComponent]`

没有导出的成员Angular

1 个答案: