weixin_42481234的博客

ngAfterViewInit() { this.onSettingFormGroupChanged.next(this.settingsForm); // Expression has changed after it was checked. Previous value: 'ng-untouched: true'. Current value: 'ng-untouched: false // for (const control in this.setting...

<h2 class="title">Hello {{name}}</h2><style> div { margin: 20px 10px; }</style><h1>Hello</h1><form [formGroup]="myForm" (ngSubmit)="onSubmit()"> <div> <select formControlName="status" (chang...

import { Component } from '@angular/core';@Component({ selector: 'nz-demo-select-label-in-value', template: ` <p>The selected option's age is {{ selectedValue?.age }}</p> <br /> <nz-select [(ngModel)]="selectedValu...

import { Component, ElementRef, ViewChild, AfterContentInit } from '@angular/core';@Component({ selector: 'custom-form', template: ` <form> <input placeholder="Name" #nameInput /> </form> `}).

showDrawer(id): void { const title = 'Order Details Info'; const width = ''; const dataInfo = id; this.selectedId = id; const drawerTemplate = OrderDetailDrawerVComponent; const drawerRef = this.utilService.openDrawerService(tit...

ngOnInit(): void { this.validateForm = this.formBuilder.group({ from_name: ['', Validators.required], from_companyName: [''], from_email: ['', [Validators.pattern(this.emailRegex), Validators.maxLength(49)]], from_phone: [''],..

先贴图为敬,源码参考:import { Component } from '@angular/core';@Component({ selector: 'nz-demo-table-colspan-rowspan', template: ` <nz-table #colSpanTable [nzData]="tableData" nzBordered> <thead> <tr> <..

https://angular.cn/api/forms/FormControlName#register-formcontrol-within-a-grouphttps://angular.cn/api/forms/FormControl settingsForm = new FormGroup({ pickupDate: new FormControl(), hoursTime: new Form.

添加出多行Input, 解决点击一出, 多行显示校验问题 <div fxFlex="100" fxLayout="row" fxLayoutAlign="space-between center" fxFlex="1 0 auto" *ngFor="let _package of getControls(consignment, 'packages'); let x = index"> <div formGroupName="{{x}}" fxFlex="10.

只有父组件传值变化时, 子组件的ngOnChanges()才会触发changeFromParent() will call ngOnChanges()https://www.stackchief.com/blog/ngOnChanges%20Example%20%7C%20Angular

import {Component, OnInit} from '@angular/core';import {AbstractControl, FormBuilder, FormGroup, Validators} from '@angular/forms';import {ActivatedRoute, Router} from '@angular/router';import {RegisterService} from './register.service';import {Transl.

// selectedSuburbItem:Object; // selectedSuburbItem:Object = { // suburb: "", // postcode: "", // state: "" // } // selectedSuburbItem:any = { // suburb: "", // postcode: "", // state...

'mat-checkbox' is not a known element:1. If 'mat-checkbox' is an Angular component, then verify that it is part of this module.2. If 'mat-checkbox' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to sup

父组件传给子组件, 可以传data, function, self自身父组件<app-header [title]="title" [msg]="msg" [run]="run" [home]="this"></app-header><div> <p>home</p></div>子组件/* * @Author : G.F * @Date : 2020-05-13 20:4.