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Angular & TypeScript Grundlagen

Alle wichtigen Angular Konzepte verstehen und anwenden können return this.http.post('api/release' body



Angular – Formular erstellen und in externer Datenbank speichern

Ein Formular per POST an den Server senden. Externer Server mit bereits freier API für Testzwecke: http://dummy.restapiexample.com.





GET-Request mit Ionic5 und Datenbankzugriff mittels API

app.module.ts - erstelle den Import von HttpClientModule. NICHT vom Storage! import { HttpClientModule } from '@angular/common/http';.



Spring im Einsatz

Kurz gesagt kommuniziert der Angular-Clientcode über HTTP-Anfragen mit einer API und @PostMapping verwendet



1a)GET Abfrage localhost per Angular

2a) POST localhost. 2b) POST hetzner.de. 1a)GET Abfrage localhost per Angular. • C:xampphtdocsslim3rk. • Datenbank: schueler db.php: 





Chapter 1 - Consuming REST Web Services in Angular 1.1 REST

Uses the Content-Type request and response header to indicate data format. Understanding REST. REST heavily leverages the HTTP protocol.



Getting Started with DSpace 7: Advanced Training

DSpace 7 UI deep dive (Angular) Request data via REST ... JSON logo: http://www.flaticon.com/free-icon/json-file_136443. Database. Back End ...



cXML Users Guide

09.02.2018 7. Site A reads the cXML Response and returns it to the process that initiated the Request. 8. Site A closes the HTTP connection established ...

divspanullitableform node brew install node

QTMSDQK@CDM

npm install g angular cli import { Component } from "@angular/core";1 c2

Component({3

css selector to find the component s usage4 selector: "music-app",5 template Û6 z h 1

Music App

z h 1 {7 Û8 export class MusicAppComponent {}10 z *4 {c z c *( .//$/ 3/)*/()" 4 )"0'-z¹#c{d z (/# 4 !$) . ' /*- {e z (0.$ {z (0.$ {f z )*/(/# 4 !$) . ' /*- {g z $1 x (0.$ {z $1 {h z $1 x (0.$ {z $1 {i z $1 (0.$ {z $1 {j z *4 {k 3+- ..$*) import { Track } from "./../tracks/track.model";1

Component({2

selector: "music-app",3 template `4 h 1

Music App

h 1 >5

Music App has

tracks length tracks to play6 `7 export class MusicAppComponent {9 public tracks: Track[];10 constructor() {11 this tracks = [12 new Track("Sound of Silence"), new Track("I Wish"),13 new Track("Over My Shoulder"), new Track("Take Five")14 ];15 }16 npm install node server js localhost :3000 dev proxy json{ "/api": { "target": "http://localhost:3000" } } ng serve --proxy dev.proxy.json

GET api

training

POST api

training

GET api

training id

PUT api

training id

DELETE api

training id getAll(): Observable {1 return this.http.get('api/release')2 L map(this.extractData)3 L catch this handleError );4 6 private extractData(res: Response) {7 fetch API8 let body = res.json();9 security wrapped to object with data propLerty10 return body.data;11

HttpNJ

BaseRequestOptions

add(release: Release): Observable {1 let body = JSON.stringify(release);2 let headers = new Headers({ 'Content-Type': 'application/json' });3 let options = new RequestOptions({ headers: headers });4 5 return this.http.post('api/release', body, options)6 L map(this.extractData)7 L catch this handleError );8 }9quotesdbs_dbs14.pdfusesText_20
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