Angular FormArray无线电复位状态

import { Component, OnInit } from '@angular/core';
import { FormBuilder, FormGroup, FormArray } from '@angular/forms';

@Component({
  selector: 'app-example',
  template: `
    <form [formGroup]="myForm">
      <div formArrayName="items">
        <div *ngFor="let item of items.controls; let i = index" [formGroupName]="i">
          <input formControlName="name" placeholder="Name">
        </div>
      </div>
      <button (click)="resetFormArray()">Reset</button>
    </form>
  `,
})
export class ExampleComponent implements OnInit {
  myForm: FormGroup;

  constructor(private fb: FormBuilder) {}

  ngOnInit() {
    this.myForm = this.fb.group({
      items: this.fb.array([
        this.fb.group({
          name: ['']
        })
      ])
    });
  }

  get items() {
    return this.myForm.get('items') as FormArray;
  }

  resetFormArray() {
    this.items.reset();
  }
}