Angular + Spring Boot + MySQL CRUD Tutorial - Part #2 - Create Angular App

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Part 1 Part 3

Complete Tutorial

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In previous part 1, we have developed CRUD REST APIs using Spring boot. 

In this Part 2 of Spring Boot + Angular 10 CRUD Example Tutorial, we will install and develop an Angular 10 web application.

Use below links to visit different parts of this tutorial:

1. Spring Boot + Angular 10 CRUD Example Tutorial - Main Tutorial
2. Spring Boot + Angular 10 CRUD Full Stack - Part 1 - Develop Spring Boot CRUD Rest APIs
3. Spring Boot + Angular 10 CRUD Full Stack - Part 2 - Create an Angular 10 App
4. Spring Boot + Angular 10 CRUD Full Stack - Part 3 - Develop Angular 10 CRUD Operations
5. Spring Boot + Angular 10 CRUD Full Stack - Part 4 - Angular 10 CRUD App Configuration
6. Spring Boot 2 + Angular 10 CRUD Full Stack - Part 5 - Running Angular 10 CRUD App

Table of contents

• Install the latest version of Angular CLI
• Create Angular 9 client application using Angular CLI
• Identify Components, Services, and Modules
• Create Service & Components using Angular CLI
• Integrate JQuery and Bootstrap with Angular

Angular 10 Client App Development

Let's develop a step by step CRUD (Create, Read, Update, Delete) Web Application using Angular 10 which consumes CRUD rest APIs, which we created in Part 1.

I assume that you have installed Node.js. Now, we need to check the Node.js and NPM versions. Open the terminal or Node command line then type these commands.

C:\Angular>node -v
v10.15.3

C:\Angular>npm -v
6.9.0

Install the latest version of Angular CLI 9

To install or update Angular 10 CLI, type this command in the terminal:

npm install -g @angular/cli

Note that we are installing Angular CLI 10.

Create an Angular 10 App using Angular CLI 10

The Angular CLI is a command-line interface tool that you use to initialize, develop, scaffold, and maintain Angular applications.

If you are new to Angular CLI then check out official documentation at https://cli.angular.io.

Let's use the below command to generate an Angular 9 Client application. We name this project as "angular10-springboot-client".

ng new angular10-springboot-client

C:\Angular 10\angular10-springboot-crud-example-tutorial>ng new angular10-springboot-client
? Would you like to add Angular routing? Yes
? Which stylesheet format would you like to use? CSS
CREATE angular10-springboot-client/angular.json (3734 bytes)
CREATE angular10-springboot-client/package.json (1270 bytes)
CREATE angular10-springboot-client/README.md (1043 bytes)
CREATE angular10-springboot-client/tsconfig.base.json (458 bytes)
CREATE angular10-springboot-client/tsconfig.json (475 bytes)
CREATE angular10-springboot-client/tslint.json (3184 bytes)
CREATE angular10-springboot-client/.editorconfig (274 bytes)
CREATE angular10-springboot-client/.gitignore (631 bytes)
CREATE angular10-springboot-client/.browserslistrc (853 bytes)
CREATE angular10-springboot-client/karma.conf.js (1039 bytes)
CREATE angular10-springboot-client/tsconfig.app.json (292 bytes)
CREATE angular10-springboot-client/tsconfig.spec.json (338 bytes)
CREATE angular10-springboot-client/src/favicon.ico (948 bytes)
CREATE angular10-springboot-client/src/index.html (311 bytes)
CREATE angular10-springboot-client/src/main.ts (372 bytes)
CREATE angular10-springboot-client/src/polyfills.ts (2835 bytes)
CREATE angular10-springboot-client/src/styles.css (80 bytes)
CREATE angular10-springboot-client/src/test.ts (753 bytes)
CREATE angular10-springboot-client/src/assets/.gitkeep (0 bytes)
CREATE angular10-springboot-client/src/environments/environment.prod.ts (51 bytes)
CREATE angular10-springboot-client/src/environments/environment.ts (662 bytes)
CREATE angular10-springboot-client/src/app/app-routing.module.ts (246 bytes)
CREATE angular10-springboot-client/src/app/app.module.ts (393 bytes)
CREATE angular10-springboot-client/src/app/app.component.html (25757 bytes)
CREATE angular10-springboot-client/src/app/app.component.spec.ts (1122 bytes)
CREATE angular10-springboot-client/src/app/app.component.ts (231 bytes)
CREATE angular10-springboot-client/src/app/app.component.css (0 bytes)
CREATE angular10-springboot-client/e2e/protractor.conf.js (869 bytes)
CREATE angular10-springboot-client/e2e/tsconfig.json (299 bytes)
CREATE angular10-springboot-client/e2e/src/app.e2e-spec.ts (660 bytes)
CREATE angular10-springboot-client/e2e/src/app.po.ts (301 bytes)
√ Packages installed successfully.

Identify Components, Services, and Modules

Let's list out what are components, services, and modules we are going to create in this application. We will use Angular CLI to generate components, services because Angular CLI follows best practices and saves much of time.

Components

• create-employee
• employee-list
• employee-details

Services

• employee.service.ts - Service for Http Client methods

Modules

• FormsModule
• HttpClientModule
• AppRoutingModule

Employee Class (Typescript class)

• employee.ts: class Employee (id, firstName, lastName, emailId)

In this next step, we will generate these components, classes, and services using Angular CLI.

Create Service & Components using Angular CLI

Let's auto-generate the service and components using Angular CLI. Change your project directory to angular10-springboot-client\src\app and run the following commands:

- ng g s employee
– ng g c create-employee
– ng g c employee-details
– ng g c employee-list

Integrate JQuery and Bootstrap with Angular

Use NPM to download Bootstrap & JQuery. Bootstrap and jQuery will be installed into the node_modules folder.

npm install bootstrap jquery --save

Configure installed Bootstrap & JQuery in an angular.json file:

...
 
"styles": [
  "src/styles.css",
  "node_modules/bootstrap/dist/css/bootstrap.min.css"
],
"scripts": [
  "node_modules/jquery/dist/jquery.min.js",
  "node_modules/bootstrap/dist/js/bootstrap.min.js"
]
 
...

If bootstrap won't work then try to import bootstrap CDN link in style.css like:

@import 'https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css';

In the next part 3, we will create CRUD operations for the Employee model using Angular 10.

Move to Part 3 - Develop Angular 10 CRUD Operations

In the next part 3, we will create CRUD operations for the Employee model using Angular 9.
In the next Part 3, we will learn the following topics:

• Create an Employee class
• Employee Service
• Creating Employee List Template and Component
• Create Add Employee Template and Component
• Create View Employee Details Template and Component

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Part 1 Part 3

Complete Tutorial

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