How to Create a Module in Magento 2

Learn how to create a module in Magento 2 Step by Step guide with CRUD operation

Step 1: Module Registration

Creating Magento 2 extensions involves several structured steps to ensure that the module is properly defined, registered, and activated – Module Registration

Step 2: Create Routing

The complete module’s flow depends on processing URL requests and router classes which are responsible for matching and processing those requests – Routing

Step 3: Create Database Tables and related files

Before developing the frontend part of the module, let’s create a database table.

We will be developing a simple blog manager module so we need a table to save the blog data – Create Database Table

To perform the CRUD (Create, Read, Update, Delete) operations we have to create these three classes (i.e. Model, Resource Model, and Collection) for each table – Model, Resource Model, and Collection

Step 4: CRUD operations

Now let’s come back to frontend. Earlier we created a controller where I wrote a “Hello World” statement to show you that the controller is working. To show HTML content we use .phtml files in Magento2 – Layout and Template

Now that we have created a nice form let’s use it to save some data in the table. – Save Data with Form Validation

After saving the data we will fetch it and show it in a table format – Fetch Data and Show

To now work on editing and updating we need to first understand filtering and sorting of data – Filter and Sort

Editing and Updating the data – Edit and Update

Finishing the CRUD with the delete option – Delete operation

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