registerForm: UntypedFormGroup; constructor(private fb: FormBuilder, private registerComponentService: RegisterComponentService) { this.registerForm = this.fb.group({ username: ['', Validators.required], password: ['', [Validators.required, Validators.minLength(6)]], passwordconf: ['', Validators.r...
constructor(private formBuilder: FormBuilder) { this.myForm = this.formBuilder.group({ // 添加表单控件和验证器 name: ['', Validators.required], email: ['', [Validators.required, Validators.email]], age: ['', Validators.min(18)], // 其他表单控件... }); } 在上面的示例中,我们添加...
1、要使用Angular自带的表单控制需要先引入相关模块(.ts文件): 1import { FormGroup,//表单对象类 FormBuilder,//表单生成工具类 Validators}//表单验证类 from "@angular/forms"; 2、然后定义一个FormGroup对象,并且对它进行初始化(.ts文件): 1public advForm:FormGroup; 1this.advForm =this.formBuilder.gr...
例如,假设有一个包含多个地址的表单,每个地址包含地址行1、地址行2、城市和邮政编码字段,可以按照以下方式创建嵌套的表单结构: import{ Component, OnInit } from'@angular/core';import{ FormBuilder, FormGroup, Validators } from'@angular/forms';@Component({ selector:'app-address-form', templateUrl:'./a...
1、要使用Angular自带的表单控制需要先引入相关模块(.ts文件): 1import { FormGroup,//表单对象类 FormBuilder,//表单生成工具类 Validators}//表单验证类 from "@angular/forms"; 2、然后定义一个FormGroup对象,并且对它进行初始化(.ts文件): 1public advForm:FormGroup; ...
我已经构建了 angular cli 项目并且有一个带有复选框的表单。某些字段必须在复选框选中时禁用。 表格如下: 需要在复选框选择事件中禁用/启用密码、新密码和重新键入密码字段。 HTML <form [formGroup]="userProfileForm" (ngSubmit)="submitForm(userProfileForm.value)"> ...
private fb: FormBuilder, ) { this.uploadFileForm = this.fb.group({ patientId: ['', [Validators.required]], type: ['', [Validators.required]], device: ['', [Validators.required]], fieldLine: ['', [Validators.required]], serviceLine: ['', [Validators.required]], ...
import { AuthenticationService } from './../../services/authentication.service'; import { Component, OnInit } from '@angular/core'; import { FormBuilder, FormGroup, Validators, FormControl, ControlContainer } from '@angular/forms'; import { AlertController, LoadingController } from '@ionic/...
但是并不需要在app.module中引用@angular/forms模块,因为在app.module中已经引入了@angular...使用过程 从@angular/forms中引入需要用到的内容 import {FormBuilder, Validators, FormGroup} from '@angular/forms'; 对应的表单初始化如下...:formBuilder.group中的字段就是form表单中对应的字段,Validators 用于...
Validators, FormBuilder, FormArray, AbstractControl, } from '@angular/forms'; @Component({ selector: 'my-app', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], }) export class AppComponent implements OnInit { profileGroup = this.fb.group({ username: [''], addr...