angular2 book

Prepare angular 2 environment Ng-bootstrap is based on angular 2, so it is necessary to prepare the angular 2 environment first. Using Ng-bootstrap Download Ng-bootstrap Ng-bootstrap uses bootstrap 4.0 ALPHA2, so you need to download the bootstrap first and recommend the form of NPM package: NPM Install bootstrap@4.0.0-alpha.2--save Then download the ng-bootstrap and use the same form as NPM package: NPM Install @ng-bootstrap/ng-bootstrap--save Modify Systemjs.confi

Cross-origin access to ASP. net mvc in Angular2, angular2mvc Application scenarios 　　Project Development decides to use angular2 for frontend and backend separate development. I am responsible for backend service development. At first, I chose web api for development. Cross-origin access is supported through API middleware + filter. After a development period, the notification needs to be transplanted to

The ANGULAR2 view is dynamic, and without modifying the source data bound to the UI, we can change whether the data is rendered, rendered, or rendered in the form of instructions.(1). The most commonly used directives provided by ANGULAR2 are:1.*ngif= ' expression ', which is loaded or written in the current element by the result of expression operation.　　2.*ngfor= ' expression and declarations ' loop input

Today we are going to talk about ANGUALR2 template grammar, the official website is very clear, but I also use the easy-to-understand way to list it!ExampleSourceHow to run:Install NPM Run PlayOpen port 8080. This example is my small demo, which introduces several commonly used template syntax.Property bindingsNo special instructions are required, just use [value], and not just value,[] can be the property of any common HTML element!Src/app.html[value]= "FirstName" [placeholder]= "Firstnameplac

Inject a complex serviceEzalgo is fairly simple, and using new or using injector to get an instance looks a little different. What if our Ezapp component is going to use the HTTP service?At first glance, the HTTP service is clearly a really useful service-because it looks quite complex-HTTP relies on Xhrbackend and baserequestoptions, and Xhrbackend relies on BROWSERXHR.There are two ways we can get an instance of HTTP in order to get the functionality of network access through it:1. Instantiati

HTML>HTML> Head> MetaCharSet=utf-8> Metaname= "Viewport"content= "Width=device-width, initial-scale=1"> title>Hello, Angular2.title> Head> Body> My-app>Loading ...My-app> Scriptsrc= "./bundle.js">Script> Body>HTML>is a my-app tag, in Angular 2, we can customize the mark, this My-app is our application after the stage of performance.A simpler paragraph of the script is to directly reference the script we are going to generate.4. Cre

RXJS LibraryRxJS (reactive Extensions) is a third-party library provided by angular that implements asynchronous observation mode (asynchronous observable pattern).Enable RXJS operationRXJS is very large, usually as long as we need the characteristics of the good. Angular has a rxjs/Observable simple version in the module Observable , but it lacks all the operations we need, including the methods mentioned above map .We introduce all RXJS actions when the app starts:' Rxjs/rx ';First we view ' r

First, the following framework basic process (Web > WebService "front-end Architecture") > (nodejs "Data Broker") > (API "Background interface")--web (HTML angular framework)--webservice (the service file written in angular, where it was possible to use the "ng2-file-upload" plug-in file + parameters to merge the submission, but request a unified commit in my project, so using a third-party plug-in here is less appropriateSo I wrote XMLHttpRequest for form data Merge commit, angular HTTP post is

param1 by using the following code:Import {Component, OnInit}From' @angular/core ';import {Router, Activatedroute, Params} from ' @angular/router '; @Component ({selector: templateurl: './abc.html ', styleUrls: [export class abccomponent implements oninit {constructor (Private Route:activatedroute) {} ngOnInit () { Span class= "hljs-comment" >//get param let param1 = This.route.snapshot.queryparams[ "param1"];}} Fifth scenarioFirst, I found that using

Preface: Recently, due to the needs of the project, the need for in-depth study of ANGULAR2, although there has been research, but because of the lack of best practices, and then real to practice when still encounter a lot of key points. Experience to: "Consider 1000 times, better to do it once." Hesitate 10,000 times, try to practice once. ”。 In the ANGULAR2 related front-end project, there will be a i18n

1. Notes The Angular2 template is used to show the appearance of the component, and as a view, the usage is basically consistent with the HTML syntax, and the simplest Angular2 template is a piece of HTML code. The angular template syntax consists mainly of the following sections: L Direct Binding L Interpolation expression L Property Bindings L Event Binding L Bidirectional Binding L Style Binding

Previously summed up the RC4 routing configuration, Angular2 upgrade RC5 after the addition of Ngmodule and Routermodule and many other components, so the current routing configuration is also changing a lot. 1. Most of the leading-by applications are to add a 2. Configure the Router App.routing.ts Import {Routes, routermodule} from ' @angular/router '; Const Approutes:routes = [ { path: ', redirectto: '/dashboard ', pathmat