Build Shopping Cart with CodeIgniter, Ajax and MySQL

In online marketing, a shopping cart is a piece of software that facilitates the purchase of products. The Cart Class permits items to be added to a session that stays active while a user is browsing your site. These items can be retrieved and displayed in a standard “shopping cart” format, allowing the user to update the quantity or remove items from the cart.In this tutorial, you will learn how to create a shopping cart with CodeIgniter, Ajax, and MySQL.You can also download the source code of live to build your codeIgniter shopping cart from scratch.
Step 1: Create MySQL Database and Table
The following SQL creates a product table in the MySQL database.
The following SQL creates a product_description table in the MySQL database.
The following SQL creates a product_image table in the MySQL database.
The following SQL creates a orders table in the MySQL database.
The following SQL creates a orders_product table in the MySQL database.
The following SQL creates a customer table in the MySQL database.
Step 2: Create a model file
Create a model file named “Product_model.php” inside “application/models” folder.
Step 3: Create a controller file
Next create a controller file named “Product.php” inside “application/controllers” folder.
Step 4: Create a controller file
Next create a controller file named “Cart.php” inside “application/controllers” folder.