两个月前我开始了angular工作,设计了一个应用程序,然后进行ng测试,发现此错误:
失败:模板解析错误: “ mat-card-title”不是已知元素: 1.如果“ mat-card-title”是Angular组件,则请验证它是否属于此模块。 2.如果“ mat-card-title”是Web组件,则将“ CUSTOM_ELEMENTS_SCHEMA”添加到该组件的“ @ NgModule.schemas”以禁止显示此消息。 我不明白什么在我的代码中不起作用。
import { NgModule } from '@angular/core';
import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { HeroService } from './hero.service';
import { AngularFireAuthModule } from '@angular/fire/auth';
import { AngularFireModule } from '@angular/fire';
import { AngularFirestoreModule } from '@angular/fire/firestore';
import { AngularFireStorageModule } from '@angular/fire/storage';
import { AngularMaterialModule } from './angular-material/angular-material.module';
import { environment } from 'src/environments/environment';
import { FormsModule } from '@angular/forms';
import { ToastrModule } from 'ngx-toastr';
import { HeroesListComponent } from './heroes-list/heroes-list.component';
import { HeroDetailComponent } from './hero-detail/hero-detail.component';
import { HeroSearchComponent } from './hero-search/hero-search.component';
import { HeroTableComponent } from './hero-table/hero-table.component';
import { LoginComponent } from './login/login.component';
import { NavbarHeroesComponent } from './navbar-heroes/navbar-heroes.component';
import { AddHeroesComponent } from './add-heroes/add-heroes.component';
import { HeroGridComponent } from './hero-grid/hero-grid.component';
import { FlexLayoutModule } from '@angular/flex-layout';
@NgModule({
declarations: [
AppComponent,
LoginComponent
],
imports: [
BrowserModule,
AppRoutingModule,
BrowserAnimationsModule,
FormsModule,
AngularFireModule.initializeApp( environment.firebaseConfig ),
AngularFirestoreModule,
FlexLayoutModule,
AngularFireAuthModule,
AngularFireStorageModule,
ToastrModule.forRoot(),
AngularMaterialModule
],
providers: [
HeroService
],
bootstrap: [AppComponent]
})
export class AppModule { }
这是AngularMaterialModule
import { NgModule, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
import { CommonModule } from '@angular/common';
import {
MatButtonModule,
MatTableModule,
MatIconModule,
MatFormFieldModule,
MatSelectModule,
MatInputModule,
MatRadioModule,
MatToolbarModule,
MatCardModule,
MatGridListModule,
MatCheckboxModule,
} from '@angular/material';
const moduleAngularMaterial = [
MatButtonModule,
MatIconModule,
MatFormFieldModule,
MatSelectModule,
MatInputModule,
MatTableModule,
MatCheckboxModule,
MatRadioModule,
MatToolbarModule,
MatCardModule,
MatGridListModule
];
@NgModule({
declarations: [
],
imports: [
moduleAngularMaterial,
CommonModule
],
exports: [
moduleAngularMaterial
],
})
export class AngularMaterialModule { }
答案 0 :(得分:2)
当组件模块为以下任何一种时,都会出现此类问题:
取决于项目的方案,或者:
答案 1 :(得分:0)
传播数组值
imports: [...moduleAngularMaterial, CommonModule]
答案 2 :(得分:0)
在Angular Docs中,请参阅:
Angular Material卡测试的API参考
从'@ angular / material / card / testing'导入{MatCardHarness};
这可能是您坚持测试的原因。