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upload.php
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<?php
require('./include/config.php');
require('./include/init.php');
require('./include/public_fun.php');
/**
* 上传手册
*/
class Upload extends Public_fun
{
/**
* 手册文件
*/
public array $file;
/**
* 访问类型
*/
public string $action;
/**
* 手册内容
*/
public string $text;
/**
* 当前脚本相对路径
*/
public const PATH = '/upload.php';
public function __construct()
{
$this->must_login();
$this->action = $_POST['action'] ?? '';
if ($this->action == 'submit') {
$this->submit();
header('location: ./');
die();
}
}
/**
* 提交事件
*/
public function submit()
{
// 获取文件数据
$this->file = $_FILES['file'] ?? null;
if (!$this->file || $this->file['error'] > 0) {
die('文件上传失败');
}
// 获取手册名称
$this->get_title();
// 判断文件大小是否超出限制
if ($this->file['size'] > 3e6) {
die('文件大小不能超过 3 MB');
}
$this->get_intro();
$this->read_file();
$this->create_book();
$this->create_article();
}
/**
* 创建文章
*/
public function create_article()
{
$list = explode('【', $this->text);
$book_id = $this->get_new_book_id();
$table = Config::$table['article'];
// 获取日期时间，这里不使用数据库的 CURRENT_TIMESTAMP 是为了保证所有文章上传时的时间的一致
ini_set('date.timezone', 'Asia/Shanghai');
$datetime = date("Y-m-d H:i:s");
for ($x = 1; $x < count($list); $x++) {
$item = explode('】', $list[$x]);
if (count($item) != 2) {
continue;
}
$title = addslashes(trim($item[0]));
$content = $this->parseContent(trim($item[1]));
$sql = "INSERT INTO `$table` (`title`, `content`, `book_id`, `update_time`) VALUES ('$title', '$content', '$book_id', '$datetime');";
mysqli_query(Init::$conn, $sql);
}
}
public function parseContent(string $content): string
{
$content = str_replace('&left;', '【', $content);
$content = str_replace('&right;', '】', $content);
$content = addslashes($content);
return $content;
}
/**
* 读取手册文本文件
*/
public function read_file()
{
$file_path = 'book_' . str_shuffle(time()) . '.txt';
$move = move_uploaded_file($this->file['tmp_name'], $file_path);
if (!$move) {
die('上传失败，请检查是否开启写入权限');
}
$text = file_get_contents($file_path);
unlink($file_path);
$this->text = $text;
}
}
new Upload();
?>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<?php require('./include/head.php') ?>
<title>上传手册</title>
<script>
const PAGE_NAME = 'upload' // 页面标识
function changeFile() {
let dom = document.querySelector('#bookFile')
let files = dom.files
if (files.length != 0 & files[0].size > 3e6) {
alert('文件大小不能超过 3 MB')
dom.value = null
}
}
</script>
</head>
<body>
<?php require('./include/nav.php') ?>
<div class="container">
<div class="row">
<div class="col-xxl-6 col-xl-7 col-lg-8 mx-auto">
<form method="POST" enctype="multipart/form-data">
<h4 class="mb-3">手册上传</h4>
<div class="mb-3">
<label for="bookName" class="form-label">手册名称（250字以内）</label>
<input type="text" class="form-control" name="title" id="bookName" placeholder="请输入手册名称" required>
</div>
<div class="mb-3">
<label for="bookFile" class="form-label">选择手册文件</label>
<input type="file" class="form-control" name="file" id="bookFile" accept="text/plain" required onchange="changeFile()">
<div class="form-text">文件格式要求为 txt 格式，编码要求为 UTF-8</div>
</div>
<div class="mb-3">
<label for="bookIntro" class="form-label">手册介绍（500 字以内）</label>
<textarea class="form-control" name="intro" rows="5" id="bookIntro" placeholder="这是一本神奇的手册..." required></textarea>
</div>
<input type="hidden" name="action" value="submit">
<input type="submit" class="btn btn-success mb-3" value="提交">
</form>
</div>
</div>
</div>
<script>
function limitInputNum(element, num) {
element.addEventListener('keyup', function(event) {
if (element.value.length >= num) {
element.value = element.value.substr(0, num)
}
})
}
let introDom = document.getElementById('bookIntro')
let nameDom = document.getElementById('bookName')
limitInputNum(nameDom, 250)
limitInputNum(introDom, 500)
</script>
<?php require('./include/footer.php') ?>
</body>
</html>