编辑资料 - 在线聊天室

prepare("SELECT * FROM users WHERE id = ?"); $stmt->execute([$_SESSION['user_id']]); $user = $stmt->fetch(); // 处理表单提交 if ($_SERVER['REQUEST_METHOD'] == 'POST') { $nickname = trim($_POST['nickname']); $signature = trim($_POST['signature']); $current_password = $_POST['current_password']; $new_password = $_POST['new_password']; // 处理头像上传 if (isset($_FILES['avatar']) && $_FILES['avatar']['error'] == 0) { $allowed = ['jpg', 'jpeg', 'png', 'gif']; $filename = $_FILES['avatar']['name']; $filesize = $_FILES['avatar']['size']; $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION)); // 检查文件大小（这里限制为5MB） if ($filesize > 5 * 1024 * 1024) { $error = "头像文件大小不能超过5MB"; } // 检查文件类型 elseif (!in_array($ext, $allowed)) { $error = "只支持 jpg、jpeg、png、gif 格式的图片"; } else { $new_filename = uniqid() . '.' . $ext; $upload_path = 'uploads/avatars/' . $new_filename; if (move_uploaded_file($_FILES['avatar']['tmp_name'], $upload_path)) { // 删除旧头像 if ($user['avatar'] && file_exists($user['avatar'])) { unlink($user['avatar']); } // 更新头像路径 $stmt = $pdo->prepare("UPDATE users SET avatar = ? WHERE id = ?"); $stmt->execute([$upload_path, $_SESSION['user_id']]); $success = "头像更新成功"; } else { $error = "头像上传失败，请重试"; } } } // 更新基本信息 $stmt = $pdo->prepare("UPDATE users SET nickname = ?, signature = ? WHERE id = ?"); $stmt->execute([$nickname, $signature, $_SESSION['user_id']]); // 修改密码 if (!empty($current_password) && !empty($new_password)) { if (password_verify($current_password, $user['password'])) { $hashed_password = password_hash($new_password, PASSWORD_DEFAULT); $stmt = $pdo->prepare("UPDATE users SET password = ? WHERE id = ?"); $stmt->execute([$hashed_password, $_SESSION['user_id']]); $success = "资料更新成功，密码已修改"; } else { $error = "当前密码错误"; } } else { $success = "资料更新成功"; } // 重新获取用户信息 $stmt = $pdo->prepare("SELECT * FROM users WHERE id = ?"); $stmt->execute([$_SESSION['user_id']]); $user = $stmt->fetch(); } ?> 编辑资料 - 在线聊天室