Angular [email protected]를 사용하여 매트 테이블의 각 행에 EDIT, DELETE 및 DETAILS 버튼을 추가했습니다. 내가 * 각 버튼 클릭과 "정의의 '템플릿'속성을 읽을 수 없습니다"오류를 얻고있다 * 모든 버튼, 작동되지만, 모두 같은 페이지Angular5 - TypeError : 정의되지 않은 'template'속성을 읽을 수 없습니다.
itemlist.component.html
에 표시됩니다<mat-table #table [dataSource]="dataSource">
<ng-container matColumnDef="name">
<mat-header-cell *matHeaderCellDef> Name </mat-header-cell>
<mat-cell *matCellDef="let row"> {{row.name}} </mat-cell>
</ng-container>
<ng-container matColumnDef="description">
<mat-header-cell *matHeaderCellDef> Description </mat-header-cell>
<mat-cell *matCellDef="let row"> {{row.description}} </mat-cell>
</ng-container>
<ng-container matColumnDef="actions">
<mat-cell *matCellDef="let row">
<button mat-button (click)="showDetails(row)">DETAILS</button>
<button mat-button (click)="editItem(row)">EDIT</button>
<button mat-button (click)="deleteItem(row)">DELETE</button>
</mat-cell>
</ng-container>
<mat-header-row *matHeaderRowDef="displayedColumns"></mat-header-row>
<mat-row *matRowDef="let row; columns:displayedColumns"></mat-row>
</mat-table>
itemlist.component.ts
export class ItemListComponent {
@Input() dataSource;
displayedColumns = ['name', 'description', 'actions'];
@Input() items: Item[];
@Output() onEdit = new EventEmitter<Item>();
@Output() onShow = new EventEmitter<Item>();
@Output() onDelete = new EventEmitter<Item>();
itemsTrackByFn = (index: string, item: Item) => item.id;
showDetails(item: Item) {
this.onShow.emit(item);
}
editItem(item: Item) {
this.onEdit.emit(item)
}
deleteItem(item: Item) {
this.onDelete.emit(item)
}
}
는
를 itemindex.component.htmlitemindex.component.ts
export class ItemIndexComponent implements OnInit {
items$: Observable<Item[]>;
public dataSource: ItemsDatasource;
constructor(public store: Store<fromRoot.State>, private router: Router){}
ngOnInit() {
this.items$ = this.store.select(fromItems.getAllItems);
this.store.dispatch(new itemsActions.LoadAll());
this.dataSource = new ItemsDatasource(this.items$);
}
editItem(item: Item) {
this.store.dispatch(new itemsActions.SetCurrentItemId(item.id));
this.router.navigate(['/items', item.id, 'edit'])
}
showItem(item: Item) {
this.store.dispatch(new itemsActions.SetCurrentItemId(item.id));
this.router.navigate(['/items', item.id])
}
deleteItem(item: Item) {
this.store.dispatch(new itemsActions.Delete(item.id));
}
}
}
export class ItemsDatasource extends DataSource<Item> {
public constructor(private items$: Observable<Item[]>) {
super()
}
public connect(collectionViewer: CollectionViewer): Observable<Item[]> {
return this.items$;
}
public disconnect(collectionViewer: CollectionViewer): void {}
}
은 어떤 제안이
.ts 파일 코드. –