在Angular中使用FormArray是一种处理动态表单的方法。FormArray是一个表单控件,用于管理一组表单控件的值和验证状态。 FormArray可以用于创建重复的表单控件,例如多个输入框或复选框。它可以动态地添加、删除和更新表单控件。 使用FormArray的步骤如下: 在组件中导入必要的模块和类: 代码语言:txt 复制 import { Compon...
首先,需要引入ReactiveFormsModule,并在你的Angular模块中导入FormsModule和ReactiveFormsModule。 代码语言:txt 复制 import { FormsModule, ReactiveFormsModule } from '@angular/forms'; @NgModule({ imports: [ FormsModule, ReactiveFormsModule ], ... }) export class YourModule { } 在组件的HTML模板中,可...
}),//FormArray 是 FormGroup 之外的另一个选择,用于管理任意数量的匿名控件。无需给控件设置key//你也可以往 FormArray 中动态插入和移除控件,aliases:this.fb.array([this.fb.control('') ])});//访问FormArray控件getaliases() {returnthis.profileForm.get('aliases')asFormArray;} addAlias() {this....
* 获取 formArray 表单 */getexoticDetails():FormArray{returnthis.detailForm.get('exotic_details')asFormArray;}/** * formArray 赋值 * @param value:与formArray对应的数组 [{strike_price: '', payout: '', ...}, ...] */privatesetFormArrayValues(item){this.exoticDetails.patchValue(item);...
这其中多了一些乱七八糟的东西,如:formArrayName,formGroupName,formControlName,form.get(,...,),看到或写这样的代码感觉要晕死过去... 为了解决这样的问题,想出了下面的这个解决方案 解决方案 import{Directive,TemplateRef,Input,QueryList,ViewContainerRef,Component,ContentChildren}from'@angular/core';import{F...
官方例子里说了FormArray可以嵌套group或者array,但只给了control的实例,这里记录一下嵌套group ts文件: import { Component } from '@angular/core'; import { FormBuilder } from '@angular/forms'; import { Validators } from '@angular/forms';
formarray class object View more ahmedhalawa published1.0.66•a month agopublished 1.0.66 a month ago M Q P @everymundo/ngx-sortablejs This package is an Angular 2+ binding for [Sortable.js](https://github.com/RubaXa/Sortable). Supports standard arrays and Angular `FormArray`. ...
✅ Built-in dirty functionality. NgFormsManager lets you sync Angular’s FormGroup, FormControl, and FormArray, via a unique store created for that purpose. The store will hold the controls' data like values, validity, pristine status, errors, etc. This is powerful, as it gives you the...
The order entry is an array listing all the fields ids in the order they must appear in the form: { "properties": { "firstName": {"type": "string","description": "First name"}, "lastName": {"type": "string","description": "Last name"}, "email": {"type": "string","descrip...
When your data structure contains one or more arrays, you may want to simply display the values in the view but chances are you want to bind them to the form. In that case, working with aFormArrayis the right way to go and for that, we will take advantage of the remap principles ex...