PHP Framework
Swoole
High-performance file upload and download implementation of swoole development function
High-performance file upload and download implementation of swoole development function
High-performance file upload and download implementation of Swoole development function
Introduction:
In modern web applications, file upload and download are one of the essential functions. However, traditional file upload and download methods may encounter performance bottlenecks when processing large files, affecting the response speed of the website. Swoole is a high-performance PHP asynchronous and concurrent network communication engine. It can help us solve this problem and achieve high-performance file upload and download.
1. Required environment construction
First, we need to build a basic environment.
-
Install Swoole extension
First make sure that PHP is installed and the version is above 7.0. Then, install the Swoole extension using the following command.pecl install swoole
Copy after login Writing the server.php file
Create a server.php file in the root directory of the project as our upload and download server. The code is as follows:<?php $server = new SwooleHTTPServer("0.0.0.0", 9501); $server->on('request', function ($request, $response) { // 处理文件上传请求 if(isset($request->files['file'])){ $file = $request->files['file']; $file['file_data'] = file_get_contents($file['tmp_name']); file_put_contents('./uploads/'.$file['name'], $file['file_data']); $response->end('File uploaded successfully'); } // 处理文件下载请求 elseif(isset($request->get['file_name'])){ $file_name = $request->get['file_name']; $file_path = './uploads/'.$file_name; if(file_exists($file_path)){ $response->header('Content-Type', 'application/octet-stream'); $response->header('Content-Disposition', 'attachment; filename="'.$file_name.'"'); $response->sendfile($file_path); }else{ $response->end('File not found'); } } }); $server->start();Copy after loginRun server.php
Open the terminal, enter the root directory of the project, and run the following command to start the server.php server.php
Copy after login
2. Implement file upload
Now, we can use Swoole to achieve high-performance file upload. Create a form in the browser to upload the file to the server. The code is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>File Upload</title>
</head>
<body>
<form action="http://localhost:9501" method="post" enctype="multipart/form-data">
<input type="file" name="file">
<input type="submit" value="Upload">
</form>
</body>
</html>3. Implement file download
In order to implement the file download function, we can create a link in the browser and click the link to trigger the download operation. The code is as follows:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>File Download</title>
</head>
<body>
<a href="http://localhost:9501/?file_name=test.txt">Download</a>
</body>
</html>Summary:
Through the above steps, we successfully implemented high-performance file upload and download functions based on Swoole. Swoole's asynchronous non-blocking mechanism allows us to handle the transfer of large files and improves the response speed of the website. If you have higher performance requirements, you can use more features and functions provided by Swoole for optimization.
Code example: https://github.com/example/swoole-file-upload-download
The above is the detailed content of High-performance file upload and download implementation of swoole development function. For more information, please follow other related articles on the PHP Chinese website!
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