高效资源下载网站源码
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资源下载网站源码通常包含前端页面、后端逻辑、数据库结构和相关配置文件。以下是一个典型资源下载网站的源码结构及关键代码示例：
1. 项目目录结构
/resource-website
│
├── index.php // 首页
├── login.php // 登录页面
├── register.php // 注册页面
├── dashboard.php // 用户中心
├── download.php // 下载处理页面
├── config.php // 数据库配置
├── functions.php // 工具函数
├── assets/
│ ├── css/
│ ├── js/
│ └── images/
│
├── includes/
│ ├── header.php // 页面头部
│ ├── footer.php // 页面底部
│ └── sidebar.php // 侧边栏
│
├── database/
│ ├── create_tables.sql // 数据库表结构
│
└── uploads/ // 用户上传资源存放目录2. 数据库结构（create_tables.sql）
CREATE DATABASE resource_website;
USE resource_website;
-- 用户表
CREATE TABLE users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL,
email VARCHAR(100) NOT NULL UNIQUE,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
);
-- 资源表
CREATE TABLE resources (
id INT AUTO_INCREMENT PRIMARY KEY,
title VARCHAR(255) NOT NULL,
description TEXT,
file_path VARCHAR(255),
category VARCHAR(100),
uploaded_by INT,
uploaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (uploaded_by) REFERENCES users(id)
);
-- 下载记录表
CREATE TABLE downloads (
id INT AUTO_INCREMENT PRIMARY KEY,
user_id INT,
resource_id INT,
downloaded_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (user_id) REFERENCES users(id),
FOREIGN KEY (resource_id) REFERENCES resources(id)
);3. 核心功能代码示例
config.php（数据库连接）
<?php
$host = 'localhost';
$dbname = 'resource_website';
$username = 'root';
$password = '';
try {
$pdo = new PDO("mysql:host=$host;dbname=$dbname", $username, $password);
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
die("Database connection failed: " . $e->getMessage());
}
?>login.php（用户登录）
<?php
session_start();
require 'config.php';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$username = $_POST['username'];
$password = $_POST['password'];
$stmt = $pdo->prepare("SELECT * FROM users WHERE username = ?");
$stmt->execute([$username]);
$user = $stmt->fetch();
if ($user && password_verify($password, $user['password'])) {
$_SESSION['user_id'] = $user['id'];
header("Location: dashboard.php");
exit();
} else {
echo "Invalid username or password.";
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
</head>
<body>
<form method="post">
<input type="text" name="username" placeholder="Username" required>
<input type="password" name="password" placeholder="Password" required>
<button type="submit">Login</button>
</form>
</body>
</html>download.php（下载资源）
<?php
session_start();
require 'config.php';
if (!isset($_SESSION['user_id'])) {
die("You must be logged in to download.");
}
$resource_id = $_GET['id'];
$stmt = $pdo->prepare("SELECT file_path FROM resources WHERE id = ?");
$stmt->execute([$resource_id]);
$resource = $stmt->fetch();
if ($resource) {
$file_path = $resource['file_path'];
if (file_exists($file_path)) {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . basename($file_path) . '"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($file_path));
readfile($file_path);
// 记录下载
$stmt = $pdo->prepare("INSERT INTO downloads (user_id, resource_id) VALUES (?, ?)");
$stmt->execute([$_SESSION['user_id'], $resource_id]);
exit;
} else {
die("File not found.");
}
} else {
die("Resource not found.");
}
?>dashboard.php（用户中心）
<?php
session_start();
require 'config.php';
require 'includes/header.php';
if (!isset($_SESSION['user_id'])) {
header("Location: login.php");
exit();
}
$user_id = $_SESSION['user_id'];
$stmt = $pdo->prepare("SELECT * FROM resources WHERE uploaded_by = ?");
$stmt->execute([$user_id]);
$resources = $stmt->fetchAll();
echo "<h1>Your Resources</h1>";
foreach ($resources as $resource) {
echo "<div>";
echo "<h2>" . htmlspecialchars($resource['title']) . "</h2>";
echo "<p>" . htmlspecialchars($resource['description']) . "</p>";
echo "<a href='download.php?id=" . $resource['id'] . "'>Download</a>";
echo "</div>";
}
require 'includes/footer.php';
?>4. 前端页面（如 index.php）
<?php require 'includes/header.php'; ?>
<h1>Resource Download Site</h1>
<?php
$stmt = $pdo->query("SELECT * FROM resources");
$resources = $stmt->fetchAll();
foreach ($resources as $resource) {
echo "<div>";
echo "<h2>" . htmlspecialchars($resource['title']) . "</h2>";
echo "<p>" . htmlspecialchars($resource['description']) . "</p>";
echo "<a href='download.php?id=" . $resource['id'] . "'>Download</a>";
echo "</div>";
}
?>
<?php require 'includes/footer.php'; ?>5. 文件上传功能（可选）
在用户上传资源时，可以使用如下代码：
<?php
session_start();
require 'config.php';
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$title = $_POST['title'];
$description = $_POST['description'];
$uploaded_by = $_SESSION['user_id'];
$upload_dir = 'uploads/';
$file_name = basename($_FILES['file']['name']);
$file_path = $upload_dir . $file_name;
if (move_uploaded_file($_FILES['file']['tmp_name'], $file_path)) {
$stmt = $pdo->prepare("INSERT INTO resources (title, description, file_path, uploaded_by) VALUES (?, ?, ?, ?)");
$stmt->execute([$title, $description, $file_path, $uploaded_by]);
echo "File uploaded successfully.";
} else {
echo "Failed to upload file.";
}
}
?>
<form method="post" enctype="multipart/form-data">
<input type="text" name="title" placeholder="Title" required>
<textarea name="description" placeholder="Description"></textarea>
<input type="file" name="file" required>
<button type="submit">Upload</button>
</form>以上是资源下载网站源码的完整结构和部分核心代码实现。根据实际需求，可进一步扩展功能，例如权限管理、分类系统、搜索功能、资源评分等。
