formComponent.reset() 会间接调用 form.reset(), 所以数据会清空. <button type="reset"> 虽然方便不过不支持 window.confirm 我们要自己实现 reset 的话,就必须使用 @Viewchild 来注入 formGroup 指令. 2016-08-30 refer : https://angular.cn/docs/ts/latest/guide/forms.html https://angular.cn/docs/t...
When you reset the form, the file list and data will be cleared. app.component.ts main.ts import { BrowserModule } from '@angular/platform-browser' import { NgModule, ModuleWithProviders, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core' import { FormsModule } from '@angular/forms' import ...
Learn how to update part of form model, full form model and reset whole form. We have form definetion like this: AI检测代码解析 reactiveForm: FormGroup; constructor(fb: FormBuilder) {this.extra =newFormControl('...', [ Validators.maxLength(100) ]);this.reactiveForm =fb.group({//title...
Angular 是看不到 Dom 的,它看到的就是ControlValueAccessor这个抽象。当数据流从 Angular 到外部(比如 Dom),那么 Angular 会调用ControlValueAccessor.writeValue(value)这样外部就拿到值了。而在初始化的时候,Angular 会先把回调方法通过ControlValueAccessor.registerOnChange(callbackFn),注册到 Angular 外部(比如 Dom...
resetForm不是函数,可能会出现这个错误的原因有以下几种可能性: 1. 语法错误:在调用resetForm函数时,可能存在语法错误,比如函数名拼写错误、大小写错误、或者函数没有正确定义等。这种...
<button type="button" (click)="reset()">reset</button> </div> </form> // app.component.ts import {Component, OnInit} from '@angular/core'; import {FormBuilder, FormControl, FormGroup, Validators} from '@angular/forms'; @Component({ ...
Will reset the field's initialValue to the current state of the model. Useful if you load the model asynchronously. Invoke this when the model get set. value This is a getter/setter function for the value that your field is representing. Useful when using getterSetter: true in the modelOpt...
在模板中,只需添加type=button: <button type="button" (click)="save()">Save</button> In component.ts if (this.form1.invalid) { this.form1.markAllAsTouched();} else { this.form1.reset();} Angular demo 表单生成器angular Can't绑定到“formGroup”,因为它不是“Form”的已知属性 您忘记在...
{ ...this.createForm.getRawValue(), id: new Date().getTime() }; // 更新待办数组 this.listOfTodoTasks = this.listOfTodoTasks.concat([ newTask ]); // reset after adding new task this.createForm.get('name').reset(); this.nzMessageService.success('成功創建了一個任務,記得完成喔!'...
Log in Form Layout HorizontalVerticalInline Field A Field B Submit Activity type OnlinePromotionOffline Resources SponsorVenue CreateReset Password Confirm Age SubmitReset 自定义校验规则# Add field SubmitReset API# Form# 参数说明类型默认值版本