更新 index.php
可以不依赖任何扩展的小而美的PHP图床程序。
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index.php
122
index.php
@ -1,21 +1,6 @@
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<?php
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$base_upload_dir = __DIR__ . '/o/'; // 如存放在当前程序目录下直接/ 即可如果其他目录前后都要/包含，如：/s/
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$max_filename_length = 180; // 最大文件名长度
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// 获取服务器的最大上传文件大小和内存限制
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$max_upload_size = ini_get('upload_max_filesize');
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$max_memory_limit = ini_get('memory_limit');
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// 生成随机文件名
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function generateRandomFileName($length = 10) {
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$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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$randomString = '';
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for ($i = 0; $i < $length; $i++) {
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$randomString .= $characters[rand(0, strlen($characters) - 1)];
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}
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return $randomString;
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}
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// 如存放在当前目录下直接/即可，如果选择其他目录前后都要/包含，如：/o/
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$base_dir='/o/';
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// 处理文件上传
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
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@ -23,72 +8,33 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
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$file_tmp = $_FILES['file']['tmp_name'];
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$error = $_FILES['file']['error'];
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// 获取当前年月，为防止报错，先设置时区
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date_default_timezone_set('Asia/Shanghai');
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$year_month = date('Y/m');
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$upload_dir = $base_upload_dir . $year_month;
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// 检查上传错误，直接提示错误代码
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if ($error !== UPLOAD_ERR_OK) {
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echo '{"error":"上传失败，错误代码：'.$error.'"}';
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exit;
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}
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// 兼容跨平台路径
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$md5 = md5_file($file_tmp);
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$upload_dir = __DIR__ . $base_dir . substr($md5,0,1).'/'.substr($md5,1,1);
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// 检查并创建目录
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if (!is_dir($upload_dir)) {
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if (!mkdir($upload_dir, 0777, true) && !is_dir($upload_dir)) {
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echo json_encode(['error' => '无法创建目录: ' . $upload_dir]);
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echo '{"error":"无法创建目录:'.$upload_dir.'"}';
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exit;
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}
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// 开始创建index.html
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file_put_contents($upload_dir .'/index.html', 'no access');
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file_put_contents( __DIR__ . $base_dir . substr($md5,0,1). '/index.html', 'no access');
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}
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// 生成文件扩展名
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$file_extension = strtolower(pathinfo($name, PATHINFO_EXTENSION));
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// 生成随机文件名
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$randomFileName = generateRandomFileName() . '.' . $file_extension;
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// 使用相对路径获取目标文件
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$target_file = $upload_dir . '/' . $randomFileName;
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// 检查上传错误
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if ($error !== UPLOAD_ERR_OK) {
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switch ($error) {
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case UPLOAD_ERR_INI_SIZE:
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case UPLOAD_ERR_FORM_SIZE:
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echo json_encode(['error' => '文件过大，最大允许上传：' . $max_upload_size]);
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exit;
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case UPLOAD_ERR_PARTIAL:
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echo json_encode(['error' => '文件部分上传失败']);
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exit;
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case UPLOAD_ERR_NO_FILE:
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echo json_encode(['error' => '没有文件被上传']);
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exit;
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case UPLOAD_ERR_CANT_WRITE:
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echo json_encode(['error' => '写入失败，无法保存文件']);
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exit;
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case UPLOAD_ERR_EXTENSION:
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echo json_encode(['error' => '文件上传被扩展程序阻止']);
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exit;
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default:
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echo json_encode(['error' => '上传失败，错误代码：' . $error]);
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exit;
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}
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}
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// 检查硬盘空间
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if (disk_free_space($upload_dir) < filesize($file_tmp)) {
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echo json_encode(['error' => '硬盘空间不足，请清理磁盘后再进行操作']);
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exit;
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}
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// 移动文件
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if (move_uploaded_file($file_tmp, $target_file)) {
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$domain = $_SERVER['HTTP_HOST'];
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$relative_path = str_replace($_SERVER['DOCUMENT_ROOT'], '', $upload_dir);
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$download_url = "http://$domain" . rtrim($relative_path, '/') . '/' . rawurlencode($randomFileName);
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echo json_encode(['upload_url' => htmlspecialchars($download_url)]);
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// 根据文件内容生成MD5文件名，这样可以排除重复上传
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$FileName = md5_file($file_tmp). '.' . strtolower(pathinfo($name, PATHINFO_EXTENSION));
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// 这里判断下重复文件不移动文件
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if (file_exists($target_file) || move_uploaded_file($file_tmp, $upload_dir . '/' .$FileName)) {
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echo '{"upload_url":"http://'.$_SERVER['HTTP_HOST'] . $base_dir . substr($md5,0,1). '/' .substr($md5,1,1) .'/'. $FileName.'"}';
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} else {
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echo json_encode(['error' => '写入失败，无法保存文件']);
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echo '{"error":"写入失败，无法保存文件"}';
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}
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exit;
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}
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@ -188,7 +134,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
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display: flex;
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justify-content: flex-end; /* 使按钮靠右对齐 */
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margin-top: 10px; /* 添加上边距 */
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}
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}
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[url=home.php?mod=space&uid=945662]@media[/url] (max-width: 600px) {
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.container {
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width: 100%;
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@ -231,19 +177,20 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_FILES['file'])) {
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<div id="fileList" class="file-list mt-3"></div>
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<div id="statusOutput" class="status-output"></div>
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<div class="link-output">
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<button class="btn btn-info" id="directLinkBtn">直接连接</button>
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<button class="btn btn-info" id="directLinkBtn">直连代码</button>
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<button class="btn btn-info" id="htmlCodeBtn">网页代码</button>
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<button class="btn btn-info" id="forumCodeBtn">论坛代码</button>
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<button class="btn btn-info" id="markDownCodeBtn">Markdown代码</button>
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<textarea id="linkText" readonly></textarea>
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<div class="copy-all-btn-container">
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<button class="btn btn-success" id="copyAllBtn">复制所有链接</button>
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</div>
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</div>
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<h6 id="formatHint" class="card-title text-center">支持格式: JPEG, PNG, GIF, WEBP, AVIF, BMP, SVG</h6>
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</div>
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<h6 id="formatHint" class="card-title text-center">支持格式: JPEG, PNG, GIF, WEBP, AVIF, BMP, SVG 最大上传：<?php echo ini_get('upload_max_filesize');?></h6>
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</div>
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</div>
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</div>
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</div>
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<script>
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$(document).ready(function() {
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// 初始化时显示格式提示
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@ -279,7 +226,7 @@ $(document).ready(function () {
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var validFiles = Array.from(files).filter(file => validFormats.includes(file.type));
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if (validFiles.length === 0) {
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showAlert('请选择有效的图片文件（JPEG, PNG, GIF，WEBP，BMP,SVG）！');
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showAlert('请选择有效的图片文件（JPEG, PNG, GIF，WEBP，AVIF，BMP,SVG）！');
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$('#files').val(''); // 清空文件选择
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return;
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}
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@ -415,17 +362,22 @@ $(document).ready(function () {
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$('#linkText').val(forumCodes);
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});
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$('#htmlCodeBtn').on('click', function () {
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$('#markDownCodeBtn').on('click', function () {
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const forumCodes = uploadedLinks.map(url => `![${url.replace(/^.*[\\\/]/, '')}](${url})`).join('\n');
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$('#linkText').val(forumCodes);
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});
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$('#htmlCodeBtn').on('click', function () {
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const htmlCodes = uploadedLinks.map(url => `<img src="${url}">`).join('\n');
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$('#linkText').val(htmlCodes);
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});
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});
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$('#htmlCodeBtn').on('click', function () {
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$('#htmlCodeBtn').on('click', function () {
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const htmlCodes = uploadedLinks.map(url => `<img src="${url}">`).join('\n');
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$('#linkText').val(htmlCodes);
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});
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});
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$('#copyAllBtn').on('click', function () {
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$('#copyAllBtn').on('click', function () {
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var copyText = $('#linkText').val();
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var tempInput = document.createElement('textarea');
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tempInput.value = copyText;
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@ -460,7 +412,7 @@ $('#copyAllBtn').on('click', function () {
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setTimeout(function () {
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document.body.removeChild(tooltip);
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}, 2200);
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});
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});
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$(document).on('click', '.copyButton', function () {
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