3 [ng-switch-when]= " Variable >...4 5 ng-switch-when= "Constant" >...6 NgswitchdefaultThe Ngswitchdefault directive must be applied on the child template element of the Ngswitch directive, and when there is no ngswitchwhen instruction match, Ngswitch will display the contents of the template:1 [Ng-switch]= "..." >2 ng-switch-default= "" >...3 It is important to note that the Ngswitch series directives are ANGUALR2 preset directives that need to be used prior to use in the t
The whole new focus on ASP. NET core and angular2 is not so good. It's a big difference from abroad.I also encountered a lot of problems when I tried to do this integration. Finally, we can find out by consulting a lot of data. I think there will be similar people who have the same problem, so they recorded a video, interested can be followed step by point to do it again. You know.The video publishing address is:Because the computer fever slowed down
Material (including Material Icon) in Angular2, materialangular2
1. Introduce the material npm package
npm install @angular/material @angular/cdk
2. Create a ebiz-material.module.ts to facilitate management of modules that introduce material
ng g module ebiz-material -app=ebiz-ui
3. Introduce ebiz-material.module.ts in the root module of the app
import { EbizMaterialModule } from './ebiz-material/ebiz-material.module';@NgModule({ imports: [..., EbizM
Angular2 pipeline Pipe and custom pipeline format data usage Example Analysis, angular2pipe
This document describes how to use the Pipe of the Angular2 MPs queue and custom MPs queue format data. We will share this with you for your reference. The details are as follows:
Pipeline (Pipe) can format the data according to the developer's wishes, and can also concatenate multiple pipelines.
Pure Pipe and Impure
Time is limited, nonsense will not say more, directly on dry!Let me introduce you to a hole I met, if you also met, then congratulate you, you will find the answer: ANGULAR2/ANGULAR4 how to request to download the binary Excel file via the $http post method? (Angular1 self-Baidu)Problem Description:Back in the background is a binary Excel stream, with the request header as follows:access-control-allow-origin:*Cache-control:privateContent-disposition:a
Recently learned angular2, so from the official website Hero example began to learn. After a few twists and ends, this example is finished. Profits are shallow. Personal advice before you start learning An example, you can learn some concepts, modules, components, decorators ... that help you to write the logic of the code. Tell me about the problems I encountered during my studies:1. First attach the official Chinese tutorial Link: https://www.angula
First, prefaceSome time ago, the company has an app project needs to support different platforms, so the use of Ionic2 + Cordova + ANGULAR2, in the process of building the environment encountered a lot of problems, just recently have time to sort out.Second, the development environment constructionRefer to this site steps to build:Https://github.com/DonaldTdz/Ionic2QuickStartNote: Nodejs to install 6.0 +lts the latest version, do not install 8. Latest
In the ANGULAR2 framework of the general Interactive parsing JSON is to use the service, in fact, in addition to the service is still a lot of, today first write the simplest front-end data interactionHmm ~ ~First, I'll create the service directly under the app package.All rightWhat about here? Angular2 has a well-encapsulated HTTP interface directly referenced (to, here HTTP seems to have been abolished,,
Use ANGULAR2 and restful webapi to develop spa-type enterprise Applications-Part 4 MultiLanguageAuthor: techcoaching, translation: Falling iceThe originalNote: The first translation of the article, the wrong translation of the place also please forgive me, welcome to point out to improve.
This article describes how to use multiple languages (i18n) in Angular2Download source from GitHub all articles in the series Overview Add new role Project structure
In this tutorial we were going to learn what simple it was to create custom form field driven validators while using Angular 2 model driven forms. These type of validators is really just plain functions that follow a set of conventions.We is going to learn how to write a custom form validator and what the validating function needs to return with order to re SPECT the Angular 2 form field validation contract.Define a custom validator:Import {FormControl} from "@angular/forms"; export function val
have to configure the menu to click in, open the layouts directory under the full-layout.component.html, add under Componentsclass="nav-item"class="nav-link " Routerlinkactive="active" [routerlink]="['/components/myinfo '] "class="icon-star">Why would you like to open the full-layout.component.html file plus menu? And above is the same problem.The running effect is:Then add other pages to the same principle.Now to answer the above question:Path"', Component:fulllayoutcomponent,data: {title:'Ho
ANGULAR2 Dependency injection contains too much content, one of the key points is the injector, and the injector is very difficult to understand, today we do not delve into the content of the injector, you can refer to the official documentation, we today to the level of the injector.That is, the container that gets the service for the component chooses which one is specific.Let's start with a background: There are 3 components appcomponent root compo
We can nest Formgorup: this. Reactiveform = fb.group ({ username: [ '], [ validators.required, validators.minlength (3) ] , pwds:fb.group ({ "' , "' }, {validator:passwordvalidator}) });We make password as an own group. So in HTML, we need to use formgroupname istead of Formcontrolname.form[Formgroup]= "Reactiveform"novalidate AutoComplete= "Off"> Divclass= "Form-field"> label>Username:label> inputFormcontro
| async"> a[Routerlink]= "Hero.id"routerlinkactive= "Active"[Routerlinkactiveoptions]= "{exact:true}">{{Hero.name}}a> Li> we can also do [routerlink]= "['/heros ', hero.id]", this would point to "HEROS/1"; If you do: [routerlink]= "[' heros ', hero.id]", this would point to "HEROS/HEROS/1" Since we is already in Heros MoD Ule We just need to does [routerlink]= "Hero.id", point to "HEROS/1 " -ul>Heros.component.ts:Import {Component, OnInit} from '@angular/core'; import {Starwarsservice} fro
Ngformcontrol-Binding an existing Control objectUnlike the ngcontrolname directive, Ngformcontrol binds an existing control/control object to a DOM element. You can use the Ngformcontrol directive when you need to initialize an input value .In the following code, using the Ngformcontrol directive to bind a DOM element to the member variable of the component Ezcomp movie, we need to create the control object first in the constructor :1 @View ({2 //to bind an INPUT element to a control object
"Reactiveform"Novalidate autocomplete="off"> class="Form-field"> "title"> class="Field-error-message"*ngif="reactiveForm.controls.title.errors?. Required">Title isRequiredIn this tutorial we is going to learn how do we mark form fields in error and display error messages to the user of Angular 2 model driven forms. We'll see that the approach are similar than what do we do while using template driven forms, but in this case we don t hav E template exports available.We are going to see how the Fo
Angular 2 copy of a timesheet.js (JavaScript library for HTML5 CSS3 time sheets)Usage:NPM Install Ng2-timesheet--saveApp.component.tsImport Models and Componentimport {timesheetitem} from ' Ng2-timesheet/src/models/timesheet-item '; import {timesheet} From ' Ng2-timesheet/src/models/timesheet ', import {timesheetcomponent} from ' Ng2-timesheet/src/timesheet.component ' ; ...//Add Directive Reference directives: [Timesheetcomponent] ...//define data Model Timesheet = new Timesh 2002, [New Tim
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