[php] 文件上传的一个项目emmm

在这里插入图片描述
项目完整地址

<!DOCTYPE html>
<html lang="zh">
<head><meta charset="UTF-8"><title>上传文件</title><link href="./css/bootstrap.min.css" rel="stylesheet"><style>@font-face {font-family: 'JetBrains Mono';src: url('font/JetBrainsMono-Bold.ttf') format('truetype');font-weight: bold;font-style: normal;}body {background: linear-gradient(90deg, #83a4d4, #b6fbff);font-family: 'JetBrains Mono', Arial, sans-serif;margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;height: 100vh;}.container {background-color: #fff;padding: 50px;border-radius: 10px;box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);width: 50%;min-width: 300px;}.btn-primary {background-color: #007BFF;border: none;padding: 10px 20px;border-radius: 5px;cursor: pointer;transition: background-color 0.3s ease;}.btn-primary:hover {background-color: #0056b3;}.copyright {position: fixed;bottom: 0;width: 100%;text-align: center;padding: 15px 0;background-color: rgba(0, 0, 0, 0.6);color: #ffffff;}</style>
</head>
<body>
<div class="container"><h2 class="mb-4">上传文件</h2><form action="index.php" method="post" enctype="multipart/form-data" class="mb-4"><div class="custom-file mb-3"><input type="file" class="custom-file-input" name="fileToUpload" id="fileToUpload"><label class="custom-file-label" for="fileToUpload">选择文件</label></div><input class="btn btn-primary" type="submit" value="上传文件" name="submit"></form><?phpif ($_SERVER['REQUEST_METHOD'] === 'POST') {$target_dir = "uploads/"; // 文件保存目录$target_file = $target_dir . basename($_FILES["fileToUpload"]["name"]);$uploadOk = 1;$fileType = strtolower(pathinfo($target_file,PATHINFO_EXTENSION));// 检查文件类型是否是xxxif ($fileType !== "xxx") {echo "抱歉，只允许上传xxx文件.";$uploadOk = 0;}// 检查文件大小if ($_FILES["fileToUpload"]["size"] > 20 * 1024 * 1024) {echo "抱歉，你的文件过大.";$uploadOk = 0;}// 如果检查都没有问题，则尝试上传文件if ($uploadOk == 1) {if (move_uploaded_file($_FILES["fileToUpload"]["tmp_name"], $target_file)) {echo "文件 ". basename($_FILES["fileToUpload"]["name"]). " 已经被上传.";} else {echo "上传文件时出错.";}}}?>
</div>
<div class="copyright">&copy; 2023 <font size=5><b><a href="https://zxw-nudt.blog.csdn.net/" style="color: #fff;">tan91</a></b></font>. All rights reserved.
</div>
<script src="./js/jquery-3.5.1.slim.min.js"></script>
<script src="./js/popper.min.js"></script>
<script src="./js/bootstrap.min.js"></script>
<script>// 使选择的文件名显示在标签上$('.custom-file-input').on('change', function() {let fileName = $(this).val().split('\\').pop();$(this).next('.custom-file-label').addClass("selected").html(fileName);});
</script>
</body>
</html>