zgo/src/app/app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule, ReactiveFormsModule } from '@angular/forms';
import { MatInputModule } from '@angular/material/input';
import { MatCardModule } from '@angular/material/card';
import { MatButtonModule } from '@angular/material/button';
import { MatToolbarModule } from '@angular/material/toolbar';
import { MatExpansionModule } from '@angular/material/expansion';
import { HttpClientModule } from '@angular/common/http';
import { MatDialogModule } from '@angular/material/dialog';

import { AppRoutingModule } from './app-routing.module';
import { AppComponent } from './app.component';
import { HeaderComponent } from './header/header.component';
import { ViewerComponent } from './viewer/viewer.component';
import { LoginComponent } from './login/login.component';
import { ItemListComponent } from './items/item-list/item-list.component';
import { ItemCreateComponent } from './items/item-create/item-create.component';
//import { NameDialogComponent } from './namedialog/namedialog.component';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';

@NgModule({
  declarations: [
    AppComponent,
	HeaderComponent,
	ViewerComponent,
	ItemListComponent,
	LoginComponent,
	ItemCreateComponent
	//NameDialogComponent,
  ],
  imports: [
    BrowserModule,
    AppRoutingModule,
    FormsModule,
	ReactiveFormsModule,
    HttpClientModule,
    MatInputModule,
    MatCardModule,
    MatButtonModule,
    MatToolbarModule,
    MatExpansionModule,
	MatDialogModule,
    BrowserAnimationsModule
  ],
  providers: [],
  bootstrap: [AppComponent],
  entryComponents: [ItemCreateComponent]
})
export class AppModule { }