当存在多个包含复选框的表单时，Angular8 Reactive Forms -How可处理这些复选框控件(相同)

import { ReactiveFormsModule } from '@angular/forms';

@NgModule({
  imports: [
    ReactiveFormsModule
  ],
  // ...
})
export class AppModule { }

<form [formGroup]="myForm">
  <label>
    <input type="checkbox" formControlName="option1"> Option 1
  </label>
  <label>
    <input type="checkbox" formControlName="option2"> Option 2
  </label>
  <label>
    <input type="checkbox" formControlName="option3"> Option 3
  </label>
</form>

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

@Component({
  // ...
})
export class MyComponent implements OnInit {
  myForm: FormGroup;

  constructor(private formBuilder: FormBuilder) { }

  ngOnInit() {
    this.myForm = this.formBuilder.group({
      option1: false,
      option2: false,
      option3: false
    });
  }
}

this.myForm.valueChanges.subscribe(value => {
  console.log(value); // 输出表单的值
});

const formValue = this.myForm.getRawValue();
console.log(formValue.option1); // 输出复选框1的值
console.log(formValue.option2); // 输出复选框2的值
console.log(formValue.option3); // 输出复选框3的值