网站搭建作业
- 游戏开发
- 2025-09-18 07:57:01
搭建作业的流程：
<?php // 初始化变量 $error = ''; $success = ''; // 处理登录逻辑 if ($_SERVER['REQUEST_METHOD'] == 'POST') { // 获取用户输入 $username = $_POST['username'] ?? ''; $password = $_POST['password'] ?? ''; // 基本验证 if (empty($username) || empty($password)) { $error = "用户名和密码不能为空！"; } else { // 连接数据库 $conn = new mysqli('localhost', 'root', 'password', 'your_database'); if ($conn->connect_error) { die("连接失败: " . $conn->connect_error); } // 防止SQL注入 $username = $conn->real_escape_string($username); // 查询用户信息 $query = "SELECT * FROM users WHERE username = '$username'"; $result = $conn->query($query); if ($result->num_rows > 0) { $user = $result->fetch_assoc(); // 验证密码 if (password_verify($password, $user['password'])) { // 登录成功 session_start(); $_SESSION['user_id'] = $user['id']; // 假设用户表中有id字段 $_SESSION['username'] = $user['username']; $success = "登录成功！"; header("Location: welcome.php"); // 跳转到欢迎页面 exit(); } else { $error = "密码错误！"; } } else { $error = "用户名不存在！"; } $conn->close(); } } // 如果是注册页面提交，验证密码强度 if ($_SERVER['REQUEST_METHOD'] == 'POST' && isset($_POST['password'])) { $passwordErrors = validatePassword($_POST['password']); if (!empty($passwordErrors)) { $error = implode(", ", $passwordErrors); } } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>用户登录</title> <style> body { font-family: Arial, sans-serif; margin: 0; padding: 0; display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #f4f4f4; } .container { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); } .form-group { margin-bottom: 15px; } .form-group label { display: block; margin-bottom: 5px; } .form-group input { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; } .form-group input[type="submit"] { background: #28a745; color: #fff; border: none; cursor: pointer; } .form-group input[type="submit"]:hover { background: #218838; } .error { color: red; } .success { color: green; } </style> </head> <body> <div class="container"> <h2>用户登录</h2> <?php if ($error): ?> <div class="error"><?php echo $error; ?></div> <?php endif; ?> <?php if ($success): ?> <div class="success"><?php echo $success; ?></div> <?php endif; ?> <form method="POST" action=""> <div class="form-group"> <label for="username">用户名</label> <input type="text" id="username" name="username" value="<?php echo htmlspecialchars($username ?? ''); ?>"> </div> <div class="form-group"> <label for="password">密码</label> <input type="password" id="password" name="password"> </div> <div class="form-group"> <input type="submit" value="登录"> </div> </form> <p>还没有账号？<a href="register.php">立即注册</a></p> </div> </body> </html> <?php // 处理注册逻辑 if ($_SERVER['REQUEST_METHOD'] == 'POST') { // 获取用户输入 $username = $_POST['username'] ?? ''; $password = $_POST['password'] ?? ''; // 基本验证 if (empty($username) || empty($password) ) { $error = "所有字段都是必填的！"; } else { $conn = new mysqli('localhost', 'root', 'password', 'your_database'); if ($conn->connect_error) { die("连接失败: " . $conn->connect_error); } // 防止SQL注入 $username = $conn->real_escape_string($username); $password = password_hash($password, PASSWORD_DEFAULT); // 加密密码 $email = $conn->real_escape_string($email); // 检查用户名是否已存在 $checkUser = $conn->query("SELECT * FROM users WHERE username='$username'"); if ($checkUser->num_rows > 0) { $error = "用户名已存在！"; } else { // 插入用户数据 $sql = "INSERT INTO users (username, password, email) VALUES ('$username', '$password', '$email')"; if ($conn->query($sql) === TRUE) { $success = "注册成功！"; } else { $error = "注册失败: " . $conn->error; } } $conn->close(); } } ?> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>用户注册</title> <style> body { font-family: Arial, sans-serif; margin: 0; padding: 0; display: flex; justify-content: center; align-items: center; height: 100vh; background-color: #f4f4f4; } .container { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1); } .form-group { margin-bottom: 15px; } .form-group label { display: block; margin-bottom: 5px; } .form-group input { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; } .form-group input[type="submit"] { background: #28a745; color: #fff; border: none; cursor: pointer; } .form-group input[type="submit"]:hover { background: #218838; } .error { color: red; } .success { color: green; } </style> </head> <body> <div class="container"> <h2>用户注册</h2> <?php if (isset($error)): ?> <div class="error"><?php echo $error; ?></div> <?php endif; ?> <?php if (isset($success)): ?> <div class="success"><?php echo $success; ?></div> <?php endif; ?> <form method="POST" action=""> <div class="form-group"> <label for="username">用户名</label> <input type="text" id="username" name="username" value="<?php echo htmlspecialchars($username ?? ''); ?>"> </div> <div class="form-group"> <label for="password">密码</label> <input type="password" id="password" name="password"> </div> <div class="form-group"> <label for="email">电子邮件</label> <input type="email" id="email" name="email" value="<?php echo htmlspecialchars($email ?? ''); ?>"> </div> <div class="form-group"> <input type="submit" value="注册"> </div> </form> </div> </body> </html> <?php $SELF_PAGE = substr($_SERVER['PHP_SELF'],strrpos($_SERVER['PHP_SELF'],'/')+1); if ($SELF_PAGE = "clientcheck.php"){ $ACTIVE = array('','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','active open','','','','active','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','','',''); } $PIKA_ROOT_DIR = "../../"; include_once $PIKA_ROOT_DIR.'inc/uploadfunction.php'; $html=''; if(isset($_POST['submit'])){ $type=array('jpg','jpeg','png'); $mime=array('image/jpg','image/jpeg','image/png'); $save_path='/uploads/file.php'; $upload=upload('uploadfile','512000',$type,$mime,$save_path); if($upload['return']){ $html.="<p class='notice'>文件上传成功</p><p class='notice'>文件保存的路径为：{$upload['save_path']}</p>"; }else{ $html.="<p class=notice>{$upload['error']}</p>"; } } ?> <div class="main-content"> <div class="main-content-inner"> <div class="breadcrumbs ace-save-state" id="breadcrumbs"> <ul class="breadcrumb"> <li> <i class="ace-icon fa fa-home home-icon"></i> <a href="upload1.php">upload1.php</a> </li> <li class="active">getimagesize()</li> </ul> </div> <div class="page-content"> <div id="usu_main"> <p class="title">文件上传作业</p> <form class="upload" method="post" enctype="multipart/form-data" action=""> <input class="uploadfile" type="file" name="uploadfile" /><br /> <input class="sub" type="submit" name="submit" value="开始上传" /> </form> <?php echo $html; ?> </div> </div> </div> </div>PS:服务器部署在本地，但同学电脑，不用就关，不能保证能访问到
