angular2-routing

问题 In angular 2, is there any way to read/write files from absolute path? I have used ' filesaver ' library to save the file, where I save the file locally in txt/json format. Example : let blob = new Blob([document.getElementById('exportFile').innerHTML],{ type: "text/plain;charset=utf-8" }); saveAs(blob, "export.json"); Now I want to read and write/edit export.json file. How can I refer it for the next time? Is there any other way or is there any good library available for these operations?

问题 Templates like from the ASP.NET Core JavaScript services came with a single module called AppModule . Since my application is divided into two logical areas, It seems a good idea to use two modules (AreaA, AreaB) for them. My idea was to import both in AppModule , including shared ressources like Pipes (which can cause trouble here). So for testing purpose, I created a Module called ModuleA import { HomeComponent } from './home/home.component'; import { NgModule } from '@angular/core'; import

问题 I traced the evaluation of an expression in the app.component.html main template and i realized that the trace appeared exactly 5 times each time i refresh or click any page. I then placed a trace in the ngOnInit of app.component.ts and it executes only once as expected... Only the expression in the html file gets called multiple times ! Main routes definitions: const routes: Routes = [ { path: '', redirectTo: '/dashboard', pathMatch: 'full' }, //{ path: '', component: DashboardComponent }, {

问题 I need a help. I start to develop angular2 with Asp.net core and everything was perfect. For redirecting all 404 request to index.html I use this code in Startup class. app.Use(async (context, next) => { await next(); if (context.Response.StatusCode == 404 && !Path.HasExtension(context.Request.Path.Value)) { context.Request.Path = "/index.html"; await next(); } }); But, I need to return to asp.net 4.5 and I have now a big problem with routing. I try to use similar code in Owin Startup class

问题 I was wondering if is possible to configure angular2 in-memory-web-api only for a part of an application. I want to reach external endpoints for finished components and use in-memory-web-api for components in development stage. I've tried to do this in the folowing two ways: 1 - Loading the data in the main and changing the XHRBackend in the components that I want to reach in-memory endpoints; main.ts bootstrap(AppComponent, [ ... { provide: SEED_DATA, useClass: InMemoryDataService } ]);

问题 In the application there is a route defined: const routes: Routes = [ { path: '', component: MainComponent }, { path: 'users', component: UsersComponent } ] In index.html the base href is also correctly defined. <base href="/"> When navigating through application the routes are loaded correctly. But when users enters .../users directly through the browser the application is not loaded and returns 404. Also when the users refresh the webpage (F5), the application is also not loaded. Is there

问题 I'm trying navigate to new page when get answer from server: import {Component} from '../../node_modules/angular2/core'; import {Router} from "../../node_modules/angular2/router"; import {Http, Headers, HTTP_PROVIDERS} from '../../node_modules/angular2/http' @Component({ selector: 'test-page', templateUrl:'src/login/test.html', providers: [HTTP_PROVIDERS] }) export class TestPage { constructor(private _router:Router, private _http:Http) { } Test(username, password) { let body = 'test'; let

问题 I have seen (this question) and its Answer from @borislemke. Actaully, tried on Angular2 Demo Application but its not changing Loader Div Background color while Navigating to another route. My AppComponent is as follows, import { Component, OnInit } from '@angular/core'; import { Router, ROUTER_DIRECTIVES, NavigationStart, NavigationEnd, NavigationError, NavigationCancel } from '@angular/router'; import {NgClass} from '@angular/common'; import { DialogService } from './dialog.service'; import

问题 reason of using nested route for me is handling dynamically icon and back button for every page.i have abstract route because when i click to back button route params disappear and i put an abstract path to keep id and questionnaire type parameter in url.my abstract path is Questionaire { path: 'Home', component: HomeComponent,data:{icon:'fa-home'} }, { path: 'QuestionaireList', component: QuestionaireListComponent,data:{icon:'fa-list-ul',previousState:'/Home'} }, { path: 'Questionaire/

问题 I have a service which checks does user has permissions to open route. @Injectable() export class GuardService implements CanActivate{ user: User; constructor(private _userService: UserService) { } canActivate(): any{ return this._userService.getUser().subscribe(user => { if(user.user_type == 'admin'){ return true; } return false; }); } But the problem is that it never passes. The problem is in this observable but I don't know how to handle it. How can I achieve this? Thanks in advance 回答1: