Angular Node.js Mysql Crud Example
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loveprogramming viết ngày 21/12/2020

Angular Node.js Mysql Crud Example

Link: https://loizenai.com/angular-node-js-mysql-crud-example/

Angular Node.js Mysql Crud Example

Tutorial: “Angular Node.js Mysql Crud Example – using Express and Sequelize ORM”
In the tutorial, I introduce how to build an Angular Node.js MySQL CRUD Example RestAPIs Fullstack Project with the help of Express Web Framework and Sequelize ORM for POST/GET/PUT/DELETE requests with step by step coding examples.

Architecture for Angular Node.js MySQL CRUD Example Fullstack

Architecture for Angular Node.js MySQL CRUD Example Fullstack

  • We build backend Nodejs Application that provides RestAPIs for POST/GET/PUT/DELETE Customer entities and store them in MySQL/PostgreSQL database.
  • We implement Angular Application that use Angular HTTPClient to interact (call/receive requests) with SpringBoot backend and display corresponding page view in browser.

Nodejs CRUD RestAPIs Design

Nodejs CRUD RestAPIs Design

We have 4 main blocks for backend Node.js application:

  • For building RestAPIs in Node.js application, we use Express framework.
  • For interacting with database MySQL/PostgreSQL, we use Sequelize ORM.
  • We define APIs URL in router.js file
  • We implement how to process each API URL in controller.js file
  • We use Bootstrap and JQuery Ajax to implement frontend client.

Backend Nodejs Build CRUD Application – Project Structure

  • config package is used to configure Sequelize and MySQL/PostgreSQL database environment
  • models package is used to define a Sequelize model to interact with database
  • routers package is used to define Rest APIs’ URL
  • controllers is used to implement business logic to processing each RestAPIs
  • views folder is used to implement HTML view pages
  • resources/js folder is used to implement JQuery Ajax to Post/Get/Put/Delete RestAPIs

Angular CRUD Design

Now I explain more about architecture of Angular application in the tutorial “Angular Express MySQL CRUD Example”:

Angular Nodejs CRUD Application – Frontend Design Architecture

Angular CRUD Application is designed with 3 main layers:

  • Service Layer is used to define Angular Common Services and HttpClient Services to interact with RestAPIs
  • Component Layer is used to define Angular Components to show views in Browser for interacting with Users
  • Router Layer is used to route URLs mapping with the corresponding Angular Components

Angular Project Structure:

Angular Project Structure

Angular CRUD Application defines 3 components, 2 services, 1 routers, and 2 data models:

– Components:

add-customer component is used to add a new customer to system
list-customer component is used to show all customers on view pages, delete a customer and update a customer
message component is used to define a view to show logging message on browser
– Services:

customer.service.ts defines POST/GET/PUT/DELETE HTTP requests to SpringBoot RestAPIs with the built-in Angular HttpClient.
message.service.ts defines an array storage to log all messages when Angular CRUD App running

– Router: app-routing.module.ts defines how to map a corresponding Angular component with an URL.

– Models:

customer.ts defines the main data model of our application.
message.ts defines the response data model between SpringBoot and Angular application.

Project Goal – Angular Nodejs CRUD Example

Here is the overview project goal of the tutorial “Angular Express MySQL CRUD Example”:

– Add new Customer:

Angular Nodejs CRUD App – Add New Customers

– List All Customers:

Angular Nodejs CRUD Application – List All Customers

– Details a Customer:

Angular Nodejs CRUD App – Details a Customer

– Update a Customer:

Angular Nodejs CRUD Application – Update a Customer

– Delete a Customer:

Angular Nodejs CRUD App – Delete a Customer successfully

– Check database records:

Angular Nodejs CRUD App – Check Database Records

Video Guide – Angular Node.js Mysql Crud Example

https://youtu.be/vytbP5vdh2U

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