Angular 6 AJAX Tutorial Example From Scratch

Ajax AngularJS Technology

Today, We want to share with you Angular 6 AJAX Tutorial Example From Scratch.In this post we will show you Angular 6 Http GET and POST Example, hear for angular 6 tutorial for beginners step by step we will give you demo and example for implement.In this post, we will learn about angular 6 tutorial for beginners with an example.

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Angular 6 AJAX Tutorial Example From Scratch

There are the Following The simple About Angular 6 AJAX Tutorial Example From Scratch Full Information With Example and source code.

As I will cover this Post with live Working example to develop Angular 6 HTTP Request Tutorial Example , so the Angular 6 CRUD Example Tutorial From Scratch for this example is following below.

Angular 6 Example

Angular Latest My Previous Post With Source code Read more…..

  1. Angular 6 Folder Project Structure
  2. Angular 6 CLI Installation
  3. Angular 6 Module File
  4. Angular 6 Components
  5. Angular 6 Services
  6. Angular 6 Routing
  7. Angular 6 CSS
  8. Angular 6 Class Binding
  9. Angular 6 Animation
  10. Angular 6 Templating
  11. Angular 6 HTTP Client

Step 1: Install Angular 6 Application.

I install An Angular via Angular CLI on Angular 6 Project.

//Angular CLI
npm install -g @angular/cli

//create a local project
ng new ng6getandpost

// start the application
ng serve --open

Step 2: Make a JSON simple server.


npm install -g json-server

src/data/db.json

{
    "products": [
    {
        "id": "1",
        "name": "PlayStation",
        "sellar": "Sony"
    },
    {
        "id": "2",
        "name": "Lipitor",
        "sellar": "Pfizer"
    },
    {
        "id": "3",
        "name": "Vehicle",
        "sellar": "Toyota (TM)"
    },
    {
        "id": "4",
        "name": "Movies",
        "sellar": "20th Century Fox"
    },
    {
        "id": "5",
        "name": "Tablet",
        "sellar": "Apple"
    }]
}

Start JSON server

json-server --watch src/data/db.json --port 4000

Step 3: Install and Inport HttpClient.

Angular 6 with HttpClient Module in app.module.ts files

import { HttpClientModule } from '@angular/common/http';

imports: [
    BrowserModule,
    HttpClientModule
  ],

Step 4: Create Angular 6 Product.ts model.

app/Product.ts

export interface Product {
    id: Number;
    name: String;
    sellar: String;
}

Step 5 : communicates to the server side

Create an angular 6 service that communicates(Browser) to the server.

ng g s product --spec false

app.module.ts

//hereimport this service angular 6 inside app.module.ts file. 
import { ProductService } from './product.service';

providers: [ProductService],

And then step is to simple the source code that Angular 6 HttpClient sends the GET methods to the send data and call a server and Retrive the data.

main file in product.service.ts

import { Injectable } from '@angular/core';
import { HttpClient } from '@angular/common/http';

@Injectable({
  providedIn: 'root'
})
export class ProductService {

  url = 'http://localhost:4000';
  constructor(private http: HttpClient) { }

  getProducts() {
    return this
            .http
            .get(`${this.url}/products`);
        }
}

Step #6: HTML Interface showing Data

app.component.ts

import { Component , OnInit} from '@angular/core';
import { ProductService } from './product.service';
import { Product } from './Product';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent {
  title = 'app';
  products: Product[];

  constructor(private productService: ProductService) { }

  ngOnInit() {
    this
      .productService
      .getProducts()
      .subscribe((data: Product[]) => {
        this.products = data;
    });
  }
}

Last step to, simple HTML interfae source code the main HTML file that show all the data.

<h3>Angular 6 Ajax HTTP POST Data with Parameters Example	</h3>
<table>
  <thead>
    <tr>
      <th>ID</th>
      <th>Product Name</th>
      <th>Sellar</th>
    </tr>
  </thead>
  <tbody>
    <tr *ngFor="let product of products">
      <td>{{ product.id }}</td>
      <td>{{ product.name }}</td>
      <td>{{ product.sellar }}</td>
    </tr>
  </tbody>
</table>

Angular 6 CRUD Operations Application Tutorials

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