PrimeNG树复选框显示节点右侧的复选框

npm install primeng --save
npm install primeicons --save

import { TreeModule } from 'primeng/tree';

@NgModule({
  imports: [
    // ... 其他模块
    TreeModule
  ],
  // ... 其他配置
})
export class AppModule { }

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

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  data = [
    {
      label: 'Node 1',
      children: [
        { label: 'Node 1.1' },
        { label: 'Node 1.2' }
      ]
    },
    {
      label: 'Node 2',
      children: [
        { label: 'Node 2.1' },
        { label: 'Node 2.2' }
      ]
    }
  ];
}

<!-- app.component.html -->
<p-tree [value]="data" selectionMode="checkbox"></p►ree>