angular2 subscribe

Injection-InjectorIn the example code in the previous section, the component Ezalgo instantiates a Ezalog object directly in the constructor, which results in strong coupling between Ezapp and Ezalgo, which we can decouple using ANGULAR2 's injector/injector :Injector is like a marriage introduction , the man in the Shang registration of the female characteristics, about good meeting place , then, wait for delivery. Like what:The Ezapp component (man

Previous. NET core and ANGULAR2-1 used the dotnet template. I used it because I wanted to write a webapi, but I wrote the next one when I had some problems, so I wrote a branch test first. This time with node as the server--webpack-dev-server. Feel the demo is so easy!First, create a new project directory, here for F:\Visual Studio Code\app1Second, add the JSON configuration file under the project root: Package.json, Tsconfig.json, Typings.json{ "Nam

The usage and example of Input and Output in Angular2 are described in detail. The Input and Output in angular2 can be compared with the instructions in AngularJS. Input is equivalent to binding the command value, either one-way (@) or two-way (= ). The value of the parent scope is "input" to the sub-scope, and then the sub-scope is processed. Output is equivalent to the method binding of the instruction, a

In this section, we'll learn how to use ANGULAR2 to show the data, and how to use its built-in directives NgFor andNgIf First make sure you have a ANGULAR2 sample program that you can run, preferably the QuickStart small project that we completed in the previous chapter, or the QuickStart project that you completed on the website above, because our explanation is on that basis; Then let's start the happy j

Starting with the 2016 V1 version, the Wijmo UI control supports angular 2. Wijmo 2016 v1 strong release, full support angular 2! This article describes using ANGULAR2 to create a html5/typescript based input control.Steps: 1. Create a project using the Visual Studio HTML application. 2. Delete Index.html,app.ts and app.css files. Select Typescript Project Settings, specify COMMONJS as the project model system, and, in order to get

Tags: res introduction persistence development environment service experience environment Building control knowledgeMulti-User Blog system based on mean full stack architecture (ANGULAR2+NODE+MONGODB)Course Study Address: http://www.xuetuwuyou.com/course/223The course out of self-study, worry-free network: http://www.xuetuwuyou.comCourse IntroductionI. Introduction of the CourseMean is a modern web development framework for the JavaScript platform, wh

Due to the rise of Angular2 soon, the relevant plug-ins are still very few, so sometimes have to use some jquery plug-ins to complete the project,So how do you put the jquery plugin in the angular2? Use custom directives!To introduce jquery before the context, this no longer describesFirst, create a directive that uses the @input method to get the parameters required by the jquery plugin.In Ngonchanges, whe

Log in when the login is successful, you need to put the information into a cookie, NPM install several Angular2-cookie ng2-cookies angular2-cookiesAccording to the above method, always error, method is undefined, Baidu Google no fruitFinally, one of the local storage solutions to LOCALSTORAGE,HTML5, easy to use Localstorage.setitem (' User ', Json.stringify (this.users)); This.user = Json.pars

The last to do the route part of the hero, there is a URL problem, this time I follow the tutorial inside the vs2015 integrated way to find styleurls: ['./app/app.component.css '] This time can not find, to replace styleurls: [' App.component.css '] .... Are you kidding me? Maybe it's because the file location of ' My-app ' has changed.This does not matter, this time mainly writes the IFRAME question.Vs inside built such a homepageThen My-app element in the Welcome page inside, run, en, page out

Preface Small series recently in the front-end engineering work, using the ANGULAR2 front-end framework for the project front-end interface reconstruction. And then for the ANGULAR2 project operating principles have some new experience, here and June mutual encouragement. Body ANGULAR2 directory Structure Development Create a new folder HelloWorld mkdir HelloW

Pub/sub is a message communication mode. The main purpose is to decouple the coupling between the message publisher and the message subscriber, which is similar to the observer mode in the design mode. Pub/sub not only solves the Direct Problem of publishers and subscribers Code Level coupling also solves the coupling between the two in physical deployment. As a pub/sub server, redis enables message routing between subscribers and publishers. The subscribe