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This article mainly explains "how to use json data to make the mall product classification menu", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "how to use json data to make the mall product classification menu" bar!

Database

Let's first look at the design of a simple database table. It mainly involves a classification table, which contains four fields cat_id,name,parent,media.

CREATE TABLE `categories` (`cat_ id` int (11) NOT NULL AUTO_INCREMENT, `name` varchar (150), `parent` int (11), `media` varchar (100), PRIMARY KEY (`mediaid`))

The data storage for the categories and subcategories in the data table categories is similar to the following format.

Commodity classification table data format

Categories.php

This file is mainly responsible for generating json data from the categories table for the foreground to display the classification menu.

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