订阅angular FormGroup进进出出的方法

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

@Component({
  selector: 'app-my-form',
  template: `
    <form [formGroup]="myForm">
      <input formControlName="name" placeholder="Name">
      <input formControlName="email" placeholder="Email">
    </form>
  `,
})
export class MyFormComponent implements OnInit {
  myForm: FormGroup;

  ngOnInit() {
    this.myForm = new FormGroup({
      name: new FormControl(''),
      email: new FormControl(''),
    });

    this.myForm.valueChanges.subscribe(value => {
      console.log(value);
      // 在这里可以对表单的值进行处理
    });
  }
}