0; $article = [ 'title' => '', 'content' => '', 'mood' => '', ]; if ($isEdit) { try { $stmt = db()->prepare('SELECT * FROM articles WHERE id = :id'); $stmt->execute([':id' => $editId]); $article = $stmt->fetch(); if (!$article) { $error = '找不到这篇日记'; $isEdit = false; } } catch (PDOException $e) { $error = '数据库查询失败：' . $e->getMessage(); $isEdit = false; } } // ===== 处理表单提交 ===== if (!isset($error)) { $error = ''; } if ($_SERVER['REQUEST_METHOD'] === 'POST') { $title = isset($_POST['title']) ? trim($_POST['title']) : ''; $content = isset($_POST['content']) ? trim($_POST['content']) : ''; $mood = isset($_POST['mood']) ? trim($_POST['mood']) : ''; // 自定义心情优先：如果用户在手写框输入了内容，用它覆盖 radio 的值 $moodCustom = isset($_POST['mood_custom']) ? trim($_POST['mood_custom']) : ''; if ($moodCustom !== '') { $mood = $moodCustom; } // 验证 $errors = []; if ($title === '') { $errors[] = '请输入标题'; } elseif (mb_strlen($title) > 200) { $errors[] = '标题不能超过 200 个字'; } if ($content === '') { $errors[] = '请输入日记内容'; } if ($mood !== '' && mb_strlen($mood) > 50) { $errors[] = '心情标签不能超过 50 个字'; } if (empty($errors)) { try { if ($isEdit) { $stmt = db()->prepare( 'UPDATE articles SET title = :title, content = :content, mood = :mood WHERE id = :id' ); $stmt->execute([ ':title' => $title, ':content' => $content, ':mood' => $mood, ':id' => $editId, ]); } else { $stmt = db()->prepare( 'INSERT INTO articles (title, content, mood) VALUES (:title, :content, :mood)' ); $stmt->execute([ ':title' => $title, ':content' => $content, ':mood' => $mood, ]); $editId = (int)db()->lastInsertId(); } // 保存成功，跳转到详情页 header('Location: ../diary-detail.php?id=' . $editId); exit; } catch (PDOException $e) { $errors[] = '保存失败：' . $e->getMessage(); } } $error = implode('；', $errors); // 表单回填 $article['title'] = $title; $article['content'] = $content; $article['mood'] = $mood; } $pageTitle = ($isEdit ? '编辑日记' : '写日记') . ' — ' . SITE_NAME; $moods = mood_list(); ?> <?= h($pageTitle) ?>

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