显示mat中的选定值-在ts文件中选择多个

import { MatSelectionList } from '@angular/material';

<mat-selection-list #selectionList>
  <mat-list-option *ngFor="let item of items" [value]="item">
    {{ item }}
  </mat-list-option>
</mat-selection-list>

import { Component, ViewChild } from '@angular/core';
import { MatSelectionList, MatListOption } from '@angular/material';

@Component({
  selector: 'app-example',
  templateUrl: './example.component.html',
  styleUrls: ['./example.component.css']
})
export class ExampleComponent {
  @ViewChild('selectionList') selectionList: MatSelectionList;

  getSelectedValues() {
    const selectedOptions: MatListOption[] = this.selectionList.selectedOptions.selected;
    const selectedValues = selectedOptions.map(option => option.value);
    console.log(selectedValues);
  }
}