MySQL implements the menu image management function of the ordering system

MySQL implements the dish picture management function of the ordering system, which requires specific code examples

1. Overview
In the ordering system, the pictures of the dishes are related to A part closely related to the dish information. In order to better display dishes and improve user experience, we need to implement a dish image management function that allows administrators to upload, edit, delete dish images, and associate them with dish information.

2. Database design
In order to realize the dish image management function, we need to design a database table to store the relevant information of the dish images. Suppose we already have a table dish containing dish information, we can add a field to the table to store the path of the dish image.

CREATE TABLE dish (
id INT AUTO_INCREMENT PRIMARY KEY,
name VARCHAR(100) NOT NULL,
price DECIMAL(10, 2) NOT NULL,
description VARCHAR(200 ),
image VARCHAR(200)
);

3. Code example (PHP)

1. Upload dish images
   When the administrator uploads dish images , we can use the file upload function provided by PHP.

upload_image.php The content of the file is as follows:

< ?php
if(isset($_FILES['image'])){
$image = $_FILES['image'];

// Check the type and size of the uploaded file
$allowed_types = ['image/jpeg', 'image/png'];
$max_size = 1024 * 1024; // 1MB

if(in_array($image['type'], $ allowed_types) && $image['size'] <= $max_size){

}
}
?>

4. Summary
Through the above code examples, we can implement the dish image management function. Administrators can improve the dish information by uploading, editing, and deleting dish pictures, and display them to users to improve users' understanding and selection of dishes. In actual development, details such as image storage paths and file name duplication issues need to be considered, and relevant data verification and security measures must be added to ensure the stability and security of the image management function.

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