Angular16 已禁用,无法使用reactiveForms问题描述 投票:0回答:2我正在使用 Angular 16 制作一个反应式表单。当选中该复选框时,我想阻止数据输入到其中一个输入,即禁用它。我的代码如下,但是不起作用,你能帮我吗?当我删除 formcontrolname 时,它会被禁用,但随后我无法接收输入的数据。 <form [formGroup]="...
import { ReactiveFormsModule } from '@angular/forms'; template 实现代码: <inputtype="text"[formControl]="jerryFormControl"><div>{{ response }}</div> 其中formControl Directive,绑定的是 FormControl 具体实例。Component 完整的实现代码: import { Component, OnInit } from '@angular/core'; import...
Reactive Form创建方法 首先我们需要使用FormBuilder创建一个FormGroup,就像这样: registerForm: FormGroup;constructor(privatefb: FormBuilder, ){}ngOnInit(){ this.registerForm = this.fb.group({ firstName: [''], lastName: [''], }) } 上面的firstName和lastName是由你自己取的,分别表示一个表单控件...
由于之前开发过一个Ionic2项目,使用的是Template-driven Form,光是校验就有一坨代码,维护与开发简直惨不忍睹,所以个人更加推荐使用Reactive Form。 使用Reactive Form(同步),我们会在代码中创建整个表单form control树。我们可以立即更新一个值或者深入到表单中的任意节点,因为所有的Form control都始终是可用的。而且因...
This could lead to confusion at runtime over what type was expected to be in a form. Since Angular 14, FormControl is strongly typed by default. This allows you to specify the expected data type when creating a FormControl. We’ll demonstrate this with a form example in a moment. ...
So let's take an example first before explain some details stuff: import { Component } from '@angular/core'; import { FormControl, FormGroup } from '@angular/forms'; @Component({ ... template: `<divclass="stock-inventory"><form[formGroup]="form"><divformGroupName="store"><inputtype...
Basic Example importReact,{Component}from'react';import{FormBuilder,FieldGroup,FieldControl,Validators,}from"react-reactive-form";constTextInput=({handler,touched,hasError,meta})=>(<div><inputplaceholder={`Enter${meta.label}`}{...handler()}/><span>{touched&&hasError("required")&&`${meta.labe...
我使用angular reactiveforms创建了一个表单。我将默认数据打印到表单中,并且该数据即将到来,但当我查看控制台部分时,“formGroup需要一个formGroup实例。请传递一个in.”错误,解决方案是什么? Html Code; <form [formGroup]="sampleInfoFormGroup"> <div class="row"> <div class="col-md-4"> <mat-form-...
In this blog post, we will be exploring how to create dynamic tables in Angular by breaking down and explaining a example that leverages these Angular template features. Component Setup import 'zone.js/dist/zone'; import { Component } from '@angular/core'; import { CommonModule } from '...
`BrowserPlatformLocation` instead. For example, direct access to the `window.history` in either the test or the component rather than going through the Angular APIs (`Location.getState()`). The quickest fix is to update the providers in the test suite to override the provider again ...