使用Angular ReactiveForm setValue方法设置默认值选项

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

@Component({
  selector: 'app-my-form',
  templateUrl: './my-form.component.html',
  styleUrls: ['./my-form.component.css']
})
export class MyFormComponent implements OnInit {
  myForm: FormGroup;

  constructor(private formBuilder: FormBuilder) { }

  ngOnInit() {
    this.myForm = this.formBuilder.group({
      name: '',
      email: '',
      age: ''
    });

    // 使用setValue方法设置默认值选项
    this.myForm.setValue({
      name: 'John Doe',
      email: 'johndoe@example.com',
      age: 25
    });
  }
}

<form [formGroup]="myForm">
  <label for="name">Name:</label>
  <input type="text" id="name" formControlName="name">

  <label for="email">Email:</label>
  <input type="email" id="email" formControlName="email">

  <label for="age">Age:</label>
  <input type="number" id="age" formControlName="age">
</form>