angular7-router

问题 I have the following route in Angular 7: <a [routerLink]="['/categories', {{ category.name | slugify }}, category.id]">{{category.name}}</a> The problem is with applying the pipe slugify within the routerlink . How can I apply a pipe to a value inside routerLink ? 回答1: Try removing the curly brackets like this: <a [routerLink]="['/categories', category.name | slugify, category.id]">{{category.name}}</a> You don't need them there because you are using property binding which is already

问题 I have the following route in Angular 7: <a [routerLink]="['/categories', {{ category.name | slugify }}, category.id]">{{category.name}}</a> The problem is with applying the pipe slugify within the routerlink . How can I apply a pipe to a value inside routerLink ? 回答1: Try removing the curly brackets like this: <a [routerLink]="['/categories', category.name | slugify, category.id]">{{category.name}}</a> You don't need them there because you are using property binding which is already

问题 I used ComponentFactoryResolver to access all the entry component factories and then add routes of those components dynamically in Angular 7. constructor(private componentFactoryResolver: ComponentFactoryResolver) { } var factories = this.componentFactoryResolver['_factories'] let route: Route = { path: MyPath, component: factories[0].factory[1].componentType }; this.router.resetConfig(config); I updated my project to Angular 9 and now _factories are not available in ComponentFactoryResolver.

来源： https://stackoverflow.com/questions/57620180/how-to-do-unit-testing-for-getcurrentnavigation-extras-state-in-angular-7

来源： https://stackoverflow.com/questions/57620180/how-to-do-unit-testing-for-getcurrentnavigation-extras-state-in-angular-7

问题 I have two component header and searList component. Case 1: Inside header component we have call API for get result after result is get and click search all result link.after click user is redirect to searchList component in which we have showing list of result. Case 2: Now user is stay on searList component, now again user is search another user and we get different result now.in such scenario user is not redirect on searhList component because we are already stay on searhList component.

问题 My intention is to create print module as detailed in this article. I am getting following error while loading my app.component.html: AppComponent.html:1 ERROR TypeError: Cannot read property 'isPrinting' of undefined App.component.html <div [class.isPrinting]= "printService.isPrinting"> <div style="text-align:center"> <h1> Welcome to {{title}}! </h1> <button (click) ="onPrintReport()"> Print Report</button> <router-outlet name='print"'></router-outlet> </div> </div> App.component.ts import {

问题 How can we create stack like structure for navigating through pages so we can create new object of a page from same page , here I want to go to SuperPage from SuperPage but angular routing does not supporting it , in IONIC3 we can achieve it very easily by push method of navCtrl but I want the navigation on the same page(SuperPage) in ionic 4 so how can we achieve this ?? import { Component, OnInit } from '@angular/core'; import { Router } from '@angular/router'; import { NavController } from

问题 I am currently upgrading an Ionic 1 app to Ionic 4. I need to know, if the current page has a "forwardView" available. Meaning I need to know if the user visited the page by using a "normal" forward link, or by using the "ion-back-button" (respectively the browser back button) In Ionic 1 we used the feature "forwardView()": http://ionicn.com/docs/api/service/$ionicHistory/ The code looked something like this: class ListViewContentController { static $inject = [ '$ionicHistory', ] constructor