在MatTable中自动关闭下拉菜单

import { MatMenuModule } from '@angular/material/menu';
import { MatTableModule } from '@angular/material/table';

<table mat-table [dataSource]="dataSource">
  <!-- 表格列定义 -->
  <ng-container matColumnDef="column1">
    <th mat-header-cell *matHeaderCellDef>列1</th>
    <td mat-cell *matCellDef="let element">{{element.column1}}</td>
  </ng-container>

  <!-- 其他列定义 -->

  <!-- 下拉菜单列定义 -->
  <ng-container matColumnDef="actions">
    <th mat-header-cell *matHeaderCellDef>操作</th>
    <td mat-cell *matCellDef="let element">
      <button mat-icon-button [matMenuTriggerFor]="menu" (click)="$event.stopPropagation()">
        <mat-icon>more_vert</mat-icon>
      </button>
      <mat-menu #menu="matMenu">
        <button mat-menu-item (click)="doSomething()">选项1</button>
        <button mat-menu-item (click)="doSomething()">选项2</button>
        <button mat-menu-item (click)="doSomething()">选项3</button>
      </mat-menu>
    </td>
  </ng-container>

  <!-- 其他列 -->

  <!-- 表格行定义 -->
  <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
  <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>
</table>

import { Component } from '@angular/core';

@Component({
  selector: 'app-table',
  templateUrl: './table.component.html',
  styleUrls: ['./table.component.css']
})
export class TableComponent {
  displayedColumns: string[] = ['column1', 'actions'];
  dataSource = [
    { column1: '数据1' },
    { column1: '数据2' },
    { column1: '数据3' }
  ];

  doSomething() {
    // 执行选项的操作
  }
}