ANGULAR -如果表单值未更改，则禁用提交按钮

<form [formGroup]="myForm" (ngSubmit)="submitForm()">
  <input type="text" formControlName="name">
  <!-- 其他表单控件 -->

  <button type="submit" [disabled]="myForm.pristine">提交</button>
</form>

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

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

  constructor(private formBuilder: FormBuilder) { }

  ngOnInit(): void {
    this.myForm = this.formBuilder.group({
      name: [''] // 初始化表单控件
      // 其他表单控件初始化
    });
  }

  submitForm(): void {
    // 处理表单提交逻辑
  }
}