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 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…

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…

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…

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…

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…

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',…

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…

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…

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…

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…

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…

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…

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 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…

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…

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…

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…

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…

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

'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…

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…

OSPF 详解 (1) [此博文包含图片] (2013-02-04 18:02:33) 转载 ▼ 标签: 端的 第二 以太 第一个 正在 目录 序言 初学乍练 循序渐进学习OSPF 朱皓 入门之前 了解OSPF 熟悉OSPF 掌握OSPF 精通OSPF OSPF基础试题 李劲松 郭逵 朱皓 选择题 判断题 深入探讨 OSPF FAQ 刘宇 写在前面 OSPF FAQ OSPF中的最短路径算法 陈旭盛 Dijkstra算法介绍 Dijkstra算法的证明 OSPF协议中对Dijkstra算法的使用…

问题 :执行程序代码报错: WebDriverException:Message:'geckodriver'executable needs to be in Path 或者 selenium.common.exceptions.WebDriverException: Message: 'geckodriver' executable needs to be in PATH. 原因:因为firefox4.8以上的版本都需要第三方geckodriver来驱动firefox,如果是firefox4.…

In one embodiment, a source device detects a packet flow that meets criteria for multi-path forwarding, and forwards a probe packet on a primary path from the source device to a destination device, the probe packet carrying an indication to cause a p…

Understanding the Router Our module is coming along nicely. However, we're not really doing all that much yet; to be precise, all we do is display all blog entries on one page. In this chapter, you will learn everything you need to know about the Rou…

1. 使用引用符来格式化HTML代码. @Component({ selector: 'app-heroes', templateUrl: './heroes.component.html', styleUrls: ['./heroes.component.css'] }) 2. 数据双向绑定方式. 在使用表单输入绑定数据之前,我们需要引入表单模块FormsModule包至我们的Angular模块中.引入包的方法是,直接添加需要的包至NgModel的imports数组中. import { Br…

今天我们要讲的是ng2的路由的第二部分,包括路由嵌套.路由生命周期等知识点. 例子 例子仍然是上节课的例子:…