@angular/cli项目构建--Dynamic.Form 导入所需模块: ReactiveFormsModule DynamicFormComponent.html <div[formGroup]="form"><label[attr.for]="formItem.key">{{formItem.label}}</label><div[ngSwitch]="formItem.controlType"><input*ngSwitchCase="'textbox'"[formControlName]="formItem.key"[id]="f...
可以学一下 angular material 的 cdkScrollable 通过一个 service 来沟通,但是由于依赖于 dom 结构,使用的时候不可以像平时依赖注入那样,要再 after view 才可以知道 parent 具体是谁, 然后通过 service 来获取到 parent 的组件 更新: 2019-11-12 ui 越写越多,源码就越挖越深... 我不是应该写写业务...忽悠...
Angular 4是一种流行的前端开发框架,它使用TypeScript编写,并由Google维护。它提供了一种简单而强大的方式来构建动态表单。 "dynamic form"是指在运行时根据数据模型动态生成表单的能力。在Angular中,可以使用FormGroup和FormControl来实现动态表单。FormGroup是一个表单组,它包含一组FormControl,而FormControl则表...
This library generates AngularFormGroupand related DOM from a specified JSON configuration. Such configuration can either be baked in into the application or received dynamically from back-end. Exact form input fields are NOT part of the library and must be provided by a library user. A set of...
import { FormArray, FormGroup, Validators, FormControl } from "@angular/forms"; @Component({ selector: 'my-app', templateUrl: './app.component.html', styleUrls: ['./app.component.css'] }) export class AppComponent implements OnInit { formGroup: FormGroup;ng...
angular form set dynamic control(form动态设置control) 实现效果 form表单控件的实时更新 效果如图 关键代码 validateForm: FormGroup; // 表单校验 constructor( private fb: FormBuilder ) { this.validateForm = this.fb.group({ }); } // 这里有一个控件数组,包含控件的显示名称、属性名和控件类型...
this.form=newFormGroup({ fields:newFormControl(JSON.stringify(this.fields)) }) this.unsubcribe=this.form.valueChanges.subscribe((update)=>{ console.log(update); this.fields=JSON.parse(update.fields); }); } angular-dynamic-form-builder.stackblitz.io ...
Particularly for this reason Angular provides so called Form Arrays. Fortunately, NG Dynamic Forms is capable of managing such nested form structures! 1. Add a DynamicFormArrayModel to your form model: export const MY_FORM_MODEL: DynamicFormModel = [ new DynamicFormArrayModel({ id: "myFormArr...
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