


PHP development: How to implement the article reading progress bar function
PHP development: Implementing the article reading progress bar function
With the popularity of mobile devices and the development of the Internet, people have an increasing demand for reading web content. In order to improve the user experience and allow users to understand their reading progress in the article more intuitively, the article reading progress bar function came into being.
The article reading progress bar function is mainly implemented through JavaScript combined with PHP. Below I'll detail how to implement this functionality, including specific code examples.
- Page structure
First, we need to create a simple HTML page structure to display the article content and reading progress bar. In the page, we will use some CSS styles and JavaScript scripts, please make sure to introduce them correctly.
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>文章阅读进度条</title> <!-- 引入样式表 --> <link rel="stylesheet" href="style.css"> </head> <body> <div class="container"> <div class="progress-bar"></div> <div class="article-content" id="articleContent"> <!-- 文章内容 --> </div> </div> <!-- 引入JavaScript脚本 --> <script src="script.js"></script> </body> </html>
- CSS Style
We need to define some CSS styles to beautify the page and read the progress bar. Here is just a simple style example, you can customize the style according to actual needs.
.container { max-width: 800px; margin: 0 auto; padding: 20px; } .progress-bar { width: 0; height: 5px; background-color: #e0e0e0; } .article-content { margin-top: 20px; line-height: 1.5; font-size: 16px; }
- JavaScript Script
Next, we need to implement the article reading progress bar function in JavaScript script. The specific implementation principle is to update the width of the reading progress bar by capturing the user's scrolling event, calculating the position of the scroll bar, and converting the scroll bar position into a percentage.
window.addEventListener('scroll', function() { // 获取文章内容元素 var articleContent = document.getElementById('articleContent'); // 文章内容的实际高度 var contentHeight = articleContent.clientHeight; // 视口的高度 var windowHeight = window.innerHeight; // 文章内容距离视口顶部的高度 var contentTop = articleContent.getBoundingClientRect().top; // 计算滚动条的位置 var scrollPercent = (contentTop + windowHeight) / contentHeight; // 更新阅读进度条的宽度 var progressBar = document.querySelector('.progress-bar'); progressBar.style.width = (scrollPercent * 100) + '%'; });
- PHP application
Finally, we use PHP to dynamically generate article content. Here is an example of reading the contents of a text file.
<?php // 读取文章内容 $articleContent = file_get_contents('article.txt'); // 将文章内容输出到页面 echo '<div class="article-content" id="articleContent">'; echo $articleContent; echo '</div>'; ?>
The above are all code examples to implement the article reading progress bar function. You can modify and optimize the above code according to your actual needs. I hope this article is helpful to you and I wish you good luck in your development work!
The above is the detailed content of PHP development: How to implement the article reading progress bar function. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

Long URLs, often cluttered with keywords and tracking parameters, can deter visitors. A URL shortening script offers a solution, creating concise links ideal for social media and other platforms. These scripts are valuable for individual websites a

Laravel simplifies handling temporary session data using its intuitive flash methods. This is perfect for displaying brief messages, alerts, or notifications within your application. Data persists only for the subsequent request by default: $request-

This is the second and final part of the series on building a React application with a Laravel back-end. In the first part of the series, we created a RESTful API using Laravel for a basic product-listing application. In this tutorial, we will be dev

Laravel provides concise HTTP response simulation syntax, simplifying HTTP interaction testing. This approach significantly reduces code redundancy while making your test simulation more intuitive. The basic implementation provides a variety of response type shortcuts: use Illuminate\Support\Facades\Http; Http::fake([ 'google.com' => 'Hello World', 'github.com' => ['foo' => 'bar'], 'forge.laravel.com' =>

The PHP Client URL (cURL) extension is a powerful tool for developers, enabling seamless interaction with remote servers and REST APIs. By leveraging libcurl, a well-respected multi-protocol file transfer library, PHP cURL facilitates efficient execution of various network protocols, including HTTP, HTTPS, and FTP. This extension offers granular control over HTTP requests, supports multiple concurrent operations, and provides built-in security features.

Do you want to provide real-time, instant solutions to your customers' most pressing problems? Live chat lets you have real-time conversations with customers and resolve their problems instantly. It allows you to provide faster service to your custom

The 2025 PHP Landscape Survey investigates current PHP development trends. It explores framework usage, deployment methods, and challenges, aiming to provide insights for developers and businesses. The survey anticipates growth in modern PHP versio

In this article, we're going to explore the notification system in the Laravel web framework. The notification system in Laravel allows you to send notifications to users over different channels. Today, we'll discuss how you can send notifications ov
