Develop a high-performance electronic signature platform using Workerman

Use Workerman to develop a high-performance electronic signature platform

Introduction:
With the development of society, more and more companies and individuals need to use electronic signatures Sign to complete contracts, authorizations, certifications, etc. In order to meet this demand, developing a high-performance electronic signature platform has become an urgent task. This article will introduce how to use the Workerman framework to develop a high-performance electronic signature platform, and attach relevant code examples.

1. Introduction to Workerman:
Workerman is a high-performance PHP Socket framework that allows us to easily develop high-performance network applications. It uses an event-driven asynchronous non-blocking model and can support millions of TCP connections. Workerman is written in pure PHP and is easy to use and extend.

2. Electronic signature platform demand analysis:

1. User management: supports user registration, login, permission management and other functions;
2. Electronic signature file management: user Electronic signature files can be uploaded, downloaded, edited and deleted;
3. Real-time communication: real-time message communication between users, including sharing and commenting on signature files;
4. Security: For users Effectively verify and protect the identity and signature files;
5. High performance: able to support a large number of concurrent connections to ensure the stability and reliability of the system.

3. Development process:

1. Building environment:
   First you need to build a PHP environment, and then install the Workerman framework, which can be installed through composer. Specific installation For methods, please refer to Workerman official documentation.
2. Database design:
   According to the requirements, we need to design a suitable database table structure to store user information and electronic signature file information.
3. Start development:
   In the entry file, create a Workerman instance of Workerman and bind it to a callback function that handles connections and messages. In the callback function, we can perform corresponding logical processing according to different message types.

The sample code is as follows:

<?php
use WorkermanWorker;

// 创建一个Worker监听端口
$worker = new Worker('websocket://0.0.0.0:2346');

// 设置开启多少个进程
$worker->count = 4;

// 处理连接和消息
$worker->onConnect = function ($connection) {
    echo "New connection
";
};

$worker->onMessage = function ($connection, $data) {
    // 根据不同的消息类型执行相应的逻辑处理
    // ...
};

// 运行worker
Worker::runAll();
?>

4. Function implementation:

1. User management: MySQL or other databases can be used to store user information, by writing Corresponding registration, login, and permission management interfaces are implemented.
2. Electronic signature file management: When the user uploads a signature file, the file is saved on the server and the relevant information of the file is stored in the database. Users can upload, download, edit and delete electronic signature files through the interface.
3. Real-time communication: Real-time communication functions between users can be realized through the WebSocket protocol provided by Workerman, such as sharing signature files, sending messages, etc.
4. Security: JWT (JSON Web Token) can be used to verify and protect the user's identity and signature files to ensure that users without permission cannot access certain sensitive interfaces or files.
5. High performance: The Workerman framework itself is designed for high performance, using an asynchronous non-blocking model and can support millions of TCP connections.

5. Summary:
This article introduces how to use the Workerman framework to develop a high-performance electronic signature platform, and attaches corresponding code examples. Through reasonable design and coding, we can create a stable and efficient electronic signature platform to meet the needs of users. During the development process, it can be expanded and optimized according to actual needs to improve the performance and reliability of the system. I hope this article can be helpful to everyone, thank you for reading!

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