import { NgModule } from '@angular/core'; import { CommonModule } from '@angular/common'; import { FormsModule } from '@angular/forms'; import { IonicModule } from '@ionic/angular'; import { LessonRoutingModule } from './lesson-routing.module'; import { TheyComponent } from './they/they.component'; import { MeComponent } from './me/me.component'; import { TheyDetailComponent } from './they-detail/they-detail.component'; import { CommunityComponent } from './community/community.component'; import { ScienceDetailComponent } from './science-detail/science-detail.component'; import { ShareComponent } from './share/share.component'; import { RecommendDetailComponent } from './recommend-detail/recommend-detail.component'; import { AttentionDetailComponent } from './attention-detail/attention-detail.component'; import { UserFollowComponent } from './user-follow/user-follow.component'; import { UserTagComponent } from './user-tag/user-tag.component'; import { UserCollectionComponent } from './user-collection/user-collection.component'; import { PageChatComponent } from './page-chat/page-chat.component'; import { PageLessonDetailComponent } from './page-lesson-detail/page-lesson-detail.component'; import { PageLessonComponent } from './page-lesson/page-lesson.component'; import { PageTestComponent } from './page-test/page-test.component'; @NgModule({   declarations: [     TheyComponent,     MeComponent,         TheyDetailComponent,     CommunityComponent,     ScienceDetailComponent,     ShareComponent,     RecommendDetailComponent,     AttentionDetailComponent,     UserFollowComponent,     UserTagComponent,     UserCollectionComponent,     PageChatComponent, PageLessonDetailComponent, PageLessonComponent, PageTestComponent,   ],   imports: [     CommonModule,     LessonRoutingModule,     FormsModule,     IonicModule   ] }) export class LessonModule { }