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我有角材料表的常见组件(结构完全相同).所以我想使用ng-content并更改一些列:

@Component({
  selector: 'table-basic-example',
  styleUrls: ['table-basic-example.css'],
  templateUrl: 'table-basic-example.html',
})
export class TableBasicExample {
  displayedColumns = ['test', 'name'];
  dataSource = new MatTableDataSource<Element>(ELEMENT_DATA);
}

const ELEMENT_DATA: { name: string } = [
  {name: 'Hydrogen'},
  {name: 'Helium'},
  {name: 'Lithium'},
  {name: 'Beryllium'},
  {name: 'Boron'},
];

<div class="example-container mat-elevation-z8">
  <mat-table #table [dataSource]="dataSource">

    <!-- Position Column -->
    <ng-container matColumnDef="test">
      <mat-header-cell *matHeaderCellDef>Test</mat-header-cell>
      <mat-cell *matCellDef="let element">

        <ng-content select="[test]"></ng-content>

      </mat-cell>
    </ng-container>

    <!-- Name Column -->
    <ng-container matColumnDef="name">
      <mat-header-cell *matHeaderCellDef> Name </mat-header-cell>
      <mat-cell *matCellDef="let element"> {{element.name}} </mat-cell>
    </ng-container>

    <mat-header-row …