小编Pim*_*tai的帖子

我在 ReactiveFormsModule 中创建了 muchmatch 函数，但是在测试时，发现 Angular 中出现错误消息，我真的不知道为什么。

“错误：预期验证器返回 Promise 或 Observable。”

import { Component, OnInit } from '@angular/core';
import { UserService } from '../service/user.service';
import { Router} from '@angular/router';

import { FormBuilder, FormGroup, Validators } from '@angular/forms';

@Component({
  selector: 'app-login-register',
  templateUrl: './login-register.component.html',
  styleUrls: ['./login-register.component.css']
})
export class LoginRegisterComponent implements OnInit {

  registerForm: FormGroup;
  submitted = false;

  constructor(private formBuilder: FormBuilder) { }

  ngOnInit() {
    this.registerForm = this.formBuilder.group({
      name: ['', Validators.required],
      lastName: ['', Validators.required],
      email: ['', [Validators.required, Validators.email]],
      password: ['', [Validators.required, Validators.minLength(6)]], …