相关疑难解决方法(0)

我试图按照https://material.angular.io/components/component/dialog上的文档但我不明白为什么它有以下问题？

我在我的组件上添加了以下内容:

@Component({
  selector: 'dialog-result-example-dialog',
  templateUrl: './dialog-result-example-dialog.html',
})
export class DialogResultExampleDialog {
  constructor(public dialogRef: MdDialogRef<DialogResultExampleDialog>) {}
}

在我的模块中,我补充道

import { HomeComponent,DialogResultExampleDialog } from './home/home.component';

@NgModule({
  declarations: [
    AppComponent,
    LoginComponent,
    DashboardComponent,
    HomeComponent,
    DialogResultExampleDialog
  ],

// ...

但我得到这个错误....

EXCEPTION: Error in ./HomeComponent class HomeComponent - inline template:53:0 caused by: No component factory found for DialogResultExampleDialog. Did you add it to @NgModule.entryComponents?
    ErrorHandler.handleError @ error_handler.js:50
    next @ application_ref.js:346
    schedulerFn @ async.js:91
    SafeSubscriber.__tryOrUnsub @ Subscriber.js:223
    SafeSubscriber.next @ Subscriber.js:172
    Subscriber._next @ Subscriber.js:125
    Subscriber.next …

我有角度材料的对话框问题，当我按下按钮打开它时，它确实存在，但不是 rly。对话框不显示，但控制台打印“打开”和“关闭”，没有错误

对话框组件

import {Component, Inject} from '@angular/core';
import {RssFeed} from "../model/rssFeed";
import {MAT_DIALOG_DATA, MatDialogRef} from "@angular/material";
import {AppService} from "../service/app.service";

@Component({
  selector: 'app-new-feed-dialog',
  templateUrl: './new-feed-dialog.component.html',
  styleUrls: ['./new-feed-dialog.component.css']
})
export class NewFeedDialogComponent {

  rssFeed: RssFeed = new RssFeed();

  constructor(private service: AppService,
 public dialogRef: MatDialogRef<NewFeedDialogComponent>,
 @Inject(MAT_DIALOG_DATA) public data: any) {
  }

  onSaveClick(): void {
    this.service.saveRssFeed(this.rssFeed)
    this.dialogRef.close(this.rssFeed);
  }

  onCancelClick(): void {
    this.dialogRef.close();
  }

}

html

<h2 mat-dialog-title>
  <mat-icon>library_add</mat-icon>
  New Feed
</h2>
<mat-dialog-content>
  <form>
    <mat-form-field class="full-width">
      <input matInput placeholder="Feed Name" name="name" [(ngModel)]="rssFeed.name">
    </mat-form-field> …