In this tutorial we are going to learn how we can accidentally creating memory leaks in our application while using the Angular 2 router. We are going to learn how we can prove that the memory leak is happening, we are going to learn what is causing…

Angular 2 lazy loading is a core feature of Angular 2. Lazy loading allows your application to start up faster because it only needs to use the main App Module when the page initially loads. As you navigate between routes, it will load the additional…

The <base href=”/”/> you define will determine how all other assets you plan on loading treat their relative paths. While you’ll most often use / as your base href, it’s important to understand what’s going on in case you need to change how you’re h…

From Article: RESOLVING ROUTE DATA IN ANGULAR 2 Github If you know Anuglar UI router, you must know resolve function in ui router, which you can load data before template and controller get inited. In Angular2 router, you can also use resovler. The r…

In this tutorial we are going to learn how to use the Angular 2 router to pass optional query parameters from one route into another route. There are couple of ways of doing this from the source route perspective: we use the queryParams property in t…

In this tutorial we are going to learn how to navigate programmatically (or imperatively) by using the Router API. We are going to learn how to use the function navigateByUrl to navigate using a manually constructed string, but we are also going to l…

Article Github Auxiliary Routes is is little bit hard to understand. Here is demo, link You can see each category has an own 'View detials' button, and there is a side menu on the right side. What we want is when we click the "View details" butt…

Angular ui-router 前言 之前不太理解前端怎么实现路由功能,以前知道有一种方式使用html5的pushState可以操作url才实现路由的功能,在实践项目中也用过一次,后来这种操作叫成了pajax,这里有一个demo,具体怎么用可以点我 cnodejs github想要star更多,需要时间投入开源的怀抱,让我想起了经常在cnodejs上的api,想想是不是可以做点什么,然后结合最近的工作,想起了通过api才做一个web app ,其中有一个做的很不错的,基于VUE的cnodej…

navigate是Router类的一个方法,主要用来路由跳转. 函数定义 navigate(commands: any[], extras?: NavigationExtras) : Promise`<boolean>` interface NavigationExtras { relativeTo : ActivatedRoute queryParams : Params fragment : string preserveQueryParams : boolean preserveFrag…

You can load resource based on the url using the a combination of ActivatedRouteand Angular 2’s Http service. Since the params and Http are both streams, you can use RxJS to get the data off the param then switchMap over to an Http request using that…

In this tutorial we are going to learn how we can can configure redirects in the angular 2 router configuration. We are also going to see again another example on how the order of the configuration might trip us. We are going to see the different bet…

In this tutorial we are going to learn how we can to configure an can activate route guard in the Angular 2 router. We are going to implement the concrete example where a user can only enter a certain route if its authorized to do so. We are also goi…

In this tutorial we are going to learn how we can to configure an exit guard in the Angular 2 Router. We are going to learn how to use a CanDeactivate route guard to ask the user if he really wants to exist the screen, giving the user to for example…

In this tutorial we are going to learn how to configure the Angular 2 router to cover some commonly used routing scenarios: what if the user goes to the root of the application manually ? Probably you would want some sort of home page to be displayed…

Angular 2’s ActivatedRoute allows you to get the details of the current route into your components. Params on the ActivatedRoute are provided as streams, so you can easily map the param you want off of the stream and display it in your template. For…

You can easily show the user which route they are on using Angular 2’s routerLinkActive. Whenever a route matches the routerLink defined on the element, then the routerLInkActive will add the class that you assign it to. See Doc app.component.ts: imp…

Angular 2 navigation is configured using the routerLink directive. The routerLink directive behaves like an href’s you are familiar with, but it hooks into Angular 2’s router to navigate between your defined routes. app.component.html: <nav> <a r…

Using the Angular 2 router requires defining routes, passing them in to the RouterModule.forRoot and then importing the configured RouterModule into your main App Module. Use the Wiki Search as example project. Create a HomeComponent to contain every…

路由设置 Angular中路由的配置应该按照先具体路由到通用路由的设置,因为Angular使用先匹配者优先的原则. 示例: 路由设置如下: export const reportRoute: Routes = [ { path: 'report', children: [ { path: '', component: ReportComponent },{ path: ':id', component: ReportDetailComponent },{ path: 'report-new',…

From router v3.1.0, we have preloading system with router. PreloadAllModules After the init module loaded, router will preloading the rest module at the background. const indexRoute = {path: '', redirectTo: 'home', pathMatch: 'full'}; const fallbackR…

Article import 'rxjs/add/operator/filter'; import 'rxjs/add/operator/map'; import 'rxjs/add/operator/mergeMap'; import { Component, OnInit } from '@angular/core'; import { Router, NavigationEnd, ActivatedRoute } from '@angular/router'; import { Title…

In this tutorial we are going to learn how we can can configure redirects in the angular 2 router configuration. We are also going to see again another example on how the order of the configuration might trip us. We are going to see the different bet…

Index router as default router. import {RouterModule} from "@angular/router"; import {NotFoundComponent} from "./shared-components/not-found/not-found.component"; const indexRoute = {path: '', redirectTo: 'home', pathMatch: 'full'}; co…

We often want to render a Route conditionally within our application. In React Router v4, the Route components match the current route inclusively so a “stack” of Routes will all be processed. To render a single Route exclusively we can wrap them in…

In the application, we have heros list, when click each hero, will redirect to hero detail view. That means, hero detail component will get inited everytime. Currently there is no option to navigate to bewteen two hero detail. Currently, we use Obser…

Angular 2’s ngModel exposes more than just validity, it even gives you the states of whether the input has been “touched” or changed. This lesson explains and compares those states so you can use them to make complex validity requirements. <form name…

iSun Design & Code AngularJS - 路由 routing 基础示例 AngularJS 路由 routing 能够从页面的一个视图跳转到另外一个视图,对单页面应用来讲是至关重要的.当应用变得越来越复杂时,我们需要一个合理的方式来管理用户在使用过程中看到的界面.AngularJS的做法是将视图分解成布局和模板视图,并且根据用户当前访问的URL来展示对应的视图. 本文对 AngularJS routing 做一简单示例,并提及其涉及的一些概念. 一.布局页面 引用scrip…

Each trigger starts with an “undefined” state or a “void” state which doesn’t match any of your currently defined states. You have to be aware of when you’re in that state so that you don’t stumble on any undesired behaviors. This is especially impor…

'canLoad' guard can decide whether a lazy load module can be loaded or not. @Injectable() export class CanLoadPokemon implements CanLoad { constructor(private authService: AuthService) { } canLoad(route: Route): Observable<boolean>|Promise<boolea…

getActivatedRoutePath(r: ActivatedRoute) { return r.url .subscribe(p => this.curtPath = p[0].path)}…