feat: 空内容保存确认 + 重命名标题功能

- 置顶、导出、删除三个按钮合并到'更多'菜单
- 点击···图标展开/收起菜单
- 点击其他地方自动关闭菜单

app.py

@@ -33,7 +33,9 @@ LLM_CONFIG = {
 def load_notes():
     """加载所有笔记"""
     if NOTES_FILE.exists():
-        return json.loads(NOTES_FILE.read_text(encoding='utf-8'))
+        notes = json.loads(NOTES_FILE.read_text(encoding='utf-8'))
+        # 按置顶和更新时间排序
+        return sorted(notes, key=lambda x: (not x.get('pinned', False), x.get('updated_at', '')), reverse=True)
     return []
 
 def save_notes(notes):
@@ -118,6 +120,7 @@ def api_notes():
         'updated_at': n['updated_at'],
         'created_at': n['created_at'],
         'preview': n['content'][:50] if n['content'] else '',
+        'pinned': n.get('pinned', False),
     } for n in notes])
 
 @app.route('/api/notes/<note_id>')
@@ -164,22 +167,46 @@ def api_update_note(note_id):
     
     now = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     
-    # 判断是否需要生成新标题
+    # 新记录第一次输入内容时，自动生成标题
     old_content = note.get('content', '')
-    need_new_title = (not note['title'] or note['title'] == '新记录' or 
-                      len(old_content) < 50 and len(content) >= 50)
+    need_generate_title = (note['title'] == '新记录' and len(content) >= 20)
     
     note['content'] = content
     note['updated_at'] = now
     
-    # 如果内容变化较大，异步生成新标题
-    if need_new_title and len(content) >= 20:
+    # 如果是新记录第一次输入内容，异步生成标题
+    if need_generate_title:
         threading.Thread(target=generate_title_async, args=(note_id, content)).start()
     
     save_notes(notes)
     
     return jsonify(note)
 
+
+@app.route('/api/notes/<note_id>/rename', methods=['POST'])
+def api_rename_note(note_id):
+    """重命名笔记标题"""
+    data = request.get_json()
+    new_title = data.get('title', '').strip()
+    
+    if not new_title:
+        return jsonify({'error': '标题不能为空'}), 400
+    
+    notes = load_notes()
+    note = next((n for n in notes if n['id'] == note_id), None)
+    
+    if not note:
+        return jsonify({'error': 'Note not found'}), 404
+    
+    note['title'] = new_title
+    note['updated_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+    
+    # 重新排序
+    notes = sorted(notes, key=lambda x: (not x.get('pinned', False), x.get('updated_at', '')), reverse=True)
+    save_notes(notes)
+    
+    return jsonify({'success': True, 'title': new_title, 'note': note})
+
 @app.route('/api/notes/<note_id>/title', methods=['POST'])
 def api_regenerate_title(note_id):
     """手动重新生成标题"""
@@ -193,9 +220,11 @@ def api_regenerate_title(note_id):
     note['title'] = title
     note['updated_at'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
     
+    # 重新排序
+    notes = sorted(notes, key=lambda x: (not x.get('pinned', False), x.get('updated_at', '')), reverse=True)
     save_notes(notes)
     
-    return jsonify({'success': True, 'title': title})
+    return jsonify({'success': True, 'title': title, 'note': note})
 
 @app.route('/api/notes/<note_id>', methods=['DELETE'])
 def api_delete_note(note_id):
@@ -206,6 +235,23 @@ def api_delete_note(note_id):
     
     return jsonify({'success': True})
 
+@app.route('/api/notes/<note_id>/pin', methods=['POST'])
+def api_pin_note(note_id):
+    """置顶/取消置顶笔记"""
+    notes = load_notes()
+    note = next((n for n in notes if n['id'] == note_id), None)
+    
+    if not note:
+        return jsonify({'error': 'Note not found'}), 404
+    
+    note['pinned'] = not note.get('pinned', False)
+    
+    # 重新排序
+    notes = sorted(notes, key=lambda x: (not x.get('pinned', False), x.get('updated_at', '')), reverse=True)
+    save_notes(notes)
+    
+    return jsonify({'success': True, 'pinned': note['pinned'], 'note': note})
+
 @app.route('/api/search')
 def api_search():
     """搜索笔记"""
@@ -217,13 +263,12 @@ def api_search():
     notes = load_notes()
     results = [n for n in notes if keyword in n.get('title', '').lower() or keyword in n.get('content', '').lower()]
     
-    results = sorted(results, key=lambda x: x.get('updated_at', ''), reverse=True)
-    
     return jsonify([{
         'id': n['id'],
         'title': n['title'],
         'updated_at': n['updated_at'],
         'preview': n['content'][:100] if n['content'] else '',
+        'pinned': n.get('pinned', False),
     } for n in results])
 
 if __name__ == '__main__':

templates/index.html

@@ -9,10 +9,19 @@
     <style>
         .note-item:hover { background: #f3f4f6; }
         .note-item.active { background: #e0e7ff; border-left: 3px solid #6366f1; }
+        .note-item.pinned { background: #fef3c7; }
+        .note-item.pinned.active { background: #fde68a; border-left: 3px solid #f59e0b; }
         .editor-area:focus { outline: none; }
         .fade-in { animation: fadeIn 0.3s ease; }
         @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
         .gradient-bg { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); }
+        .action-btn { 
+            opacity: 0; 
+            transition: opacity 0.2s;
+        }
+        .note-item:hover .action-btn { 
+            opacity: 1; 
+        }
     </style>
 </head>
 <body class="bg-gray-100 h-screen overflow-hidden">
@@ -27,6 +36,15 @@
                         class="w-full pl-10 pr-4 py-2 border border-gray-200 rounded-lg focus:outline-none focus:border-purple-400"
                         oninput="searchNotes()">
                 </div>
+                
+                <!-- 显示模式开关 -->
+                <div class="flex items-center gap-2 mb-3">
+                    <label class="flex items-center gap-1 text-sm text-gray-600 cursor-pointer">
+                        <input type="checkbox" id="showPreview" checked onchange="loadNotes()" class="w-4 h-4 rounded">
+                        <span>显示内容预览</span>
+                    </label>
+                </div>
+                
                 <button onclick="createNote()" class="w-full py-2 gradient-bg text-white rounded-lg hover:opacity-90 transition">
                     <i class="ri-add-line mr-1"></i> 新建记录
                 </button>
@@ -46,10 +64,21 @@
             <!-- 顶部工具栏 -->
             <div id="toolbar" class="hidden p-4 bg-white border-b flex justify-between items-center">
                 <div>
-                    <h2 id="currentTitle" class="text-lg font-semibold text-gray-800"></h2>
+                    <h2 id="currentTitle" class="text-lg font-semibold text-gray-800 flex items-center gap-2">
+                        <span id="titleText"></span>
+                        <span id="pinBadge" class="hidden px-2 py-0.5 bg-yellow-100 text-yellow-600 rounded text-xs">
+                            <i class="ri-pushpin-line"></i> 置顶
+                        </span>
+                    </h2>
                     <p id="currentTime" class="text-sm text-gray-500"></p>
                 </div>
                 <div class="flex gap-2">
+                    <button onclick="exportCurrentNote()" class="px-3 py-1 text-sm text-gray-600 hover:bg-gray-50 rounded-lg">
+                        <i class="ri-download-line mr-1"></i> 导出
+                    </button>
+                    <button onclick="togglePin()" id="pinBtn" class="px-3 py-1 text-sm text-gray-600 hover:bg-gray-50 rounded-lg">
+                        <i class="ri-pushpin-line mr-1"></i> <span id="pinBtnText">置顶</span>
+                    </button>
                     <button onclick="regenerateTitle()" class="px-3 py-1 text-sm text-purple-600 hover:bg-purple-50 rounded-lg">
                         <i class="ri-magic-line mr-1"></i> 重新生成标题
                     </button>
@@ -79,12 +108,15 @@
 
     <script>
         let currentNoteId = null;
+        let currentNotePinned = false;
         let saveTimer = null;
         let notes = [];
+        let titleUpdateTimer = null;
 
         // 加载笔记列表
         async function loadNotes() {
             const keyword = document.getElementById('searchInput').value.trim();
+            const showPreview = document.getElementById('showPreview').checked;
             const url = keyword ? `/api/search?q=${encodeURIComponent(keyword)}` : '/api/notes';
             
             const res = await fetch(url);
@@ -103,11 +135,40 @@
             }
             
             container.innerHTML = notes.map(n => `
-                <div class="note-item p-4 cursor-pointer border-b ${currentNoteId === n.id ? 'active' : ''}"
+                <div class="note-item relative p-4 cursor-pointer border-b ${currentNoteId === n.id ? 'active' : ''} ${n.pinned ? 'pinned' : ''}"
                      onclick="selectNote('${n.id}')">
-                    <h3 class="font-medium text-gray-800 truncate">${n.title || '新记录'}</h3>
-                    <p class="text-sm text-gray-500 truncate mt-1">${n.preview || '空白记录'}</p>
+                    <div class="flex items-center gap-2 pr-16">
+                        ${n.pinned ? '<i class="ri-pushpin-fill text-yellow-500 text-sm"></i>' : ''}
+                        <h3 class="font-medium text-gray-800 truncate flex-1">${n.title || '新记录'}</h3>
+                    </div>
+                    ${showPreview && n.preview ? `<p class="text-sm text-gray-500 truncate mt-1">${n.preview}</p>` : ''}
                     <p class="text-xs text-gray-400 mt-1">${n.updated_at}</p>
+                    
+                    <!-- 操作按钮组 -->
+                    <div class="action-btn absolute right-2 top-1/2 -translate-y-1/2">
+                        <button onclick="event.stopPropagation(); toggleMenu('${n.id}')"
+                            class="p-1.5 rounded hover:bg-gray-200 text-gray-500" title="更多操作">
+                            <i class="ri-more-fill"></i>
+                        </button>
+                        <div id="menu-${n.id}" class="hidden absolute right-0 top-full mt-1 bg-white rounded-lg shadow-lg border z-10 min-w-[100px]">
+                            <button onclick="event.stopPropagation(); renameTitle('${n.id}', '${n.title || '新记录'}'); hideMenu('${n.id}')"
+                                class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
+                                <i class="ri-edit-line"></i> 重命名
+                            </button>
+                            <button onclick="event.stopPropagation(); exportItem('${n.id}'); hideMenu('${n.id}')"
+                                class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
+                                <i class="ri-download-line"></i> 导出
+                            </button>
+                            <button onclick="event.stopPropagation(); togglePinItem('${n.id}'); hideMenu('${n.id}')"
+                                class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
+                                <i class="ri-pushpin-line"></i> ${n.pinned ? '取消置顶' : '置顶'}
+                            </button>
+                            <button onclick="event.stopPropagation(); deleteItem('${n.id}'); hideMenu('${n.id}')"
+                                class="w-full px-3 py-2 text-left text-sm text-red-500 hover:bg-red-50 flex items-center gap-2">
+                                <i class="ri-delete-bin-line"></i> 删除
+                            </button>
+                        </div>
+                    </div>
                 </div>
             `).join('');
         }
@@ -118,6 +179,7 @@
             const note = await res.json();
             
             currentNoteId = note.id;
+            currentNotePinned = false;
             loadNotes();
             showEditor(note);
         }
@@ -129,8 +191,9 @@
             const res = await fetch(`/api/notes/${id}`);
             const note = await res.json();
             
+            currentNotePinned = note.pinned || false;
             showEditor(note);
-            loadNotes(); // 更新高亮状态
+            loadNotes();
         }
 
         // 显示编辑器
@@ -139,7 +202,16 @@
             document.getElementById('editorContainer').classList.remove('hidden');
             document.getElementById('emptyState').classList.add('hidden');
             
-            document.getElementById('currentTitle').textContent = note.title || '新记录';
+            document.getElementById('titleText').textContent = note.title || '新记录';
+            
+            if (note.pinned) {
+                document.getElementById('pinBadge').classList.remove('hidden');
+                document.getElementById('pinBtnText').textContent = '取消置顶';
+            } else {
+                document.getElementById('pinBadge').classList.add('hidden');
+                document.getElementById('pinBtnText').textContent = '置顶';
+            }
+            
             document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
             document.getElementById('editor').value = note.content || '';
         }
@@ -148,12 +220,24 @@
         function saveContent() {
             if (!currentNoteId) return;
             
-            // 延迟保存，避免频繁请求
             if (saveTimer) clearTimeout(saveTimer);
             
             saveTimer = setTimeout(async () => {
                 const content = document.getElementById('editor').value;
                 
+                // 检查内容是否为空（只有空白字符）
+                if (content.trim() === '') {
+                    const oldContent = await fetch(`/api/notes/${currentNoteId}`).then(r => r.json()).then(n => n.content || '');
+                    // 如果原来有内容，现在变空了，需要确认
+                    if (oldContent.trim() !== '') {
+                        if (!confirm('内容已清空，确定要保存为空吗？\n（可能发生意外清空，请确认）')) {
+                            // 用户取消，恢复旧内容
+                            document.getElementById('editor').value = oldContent;
+                            return;
+                        }
+                    }
+                }
+                
                 const res = await fetch(`/api/notes/${currentNoteId}`, {
                     method: 'PUT',
                     headers: { 'Content-Type': 'application/json' },
@@ -162,11 +246,11 @@
                 
                 const note = await res.json();
                 
-                // 更新显示
-                document.getElementById('currentTitle').textContent = note.title;
+                // 更新标题显示
+                document.getElementById('titleText').textContent = note.title;
                 document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
                 
-                // 更新列表
+                // 立即刷新列表
                 loadNotes();
             }, 500);
         }
@@ -189,7 +273,8 @@
                 const data = await res.json();
                 
                 if (data.success) {
-                    document.getElementById('currentTitle').textContent = data.title;
+                    document.getElementById('titleText').textContent = data.title;
+                    // 立即刷新列表
                     loadNotes();
                 }
             } catch (e) {
@@ -200,7 +285,138 @@
             btn.innerHTML = '<i class="ri-magic-line mr-1"></i> 重新生成标题';
         }
 
-        // 删除笔记
+        // 置顶当前笔记
+        async function togglePin() {
+            if (!currentNoteId) return;
+            
+            const res = await fetch(`/api/notes/${currentNoteId}/pin`, { method: 'POST' });
+            const data = await res.json();
+            
+            if (data.success) {
+                currentNotePinned = data.pinned;
+                
+                if (data.pinned) {
+                    document.getElementById('pinBadge').classList.remove('hidden');
+                    document.getElementById('pinBtnText').textContent = '取消置顶';
+                } else {
+                    document.getElementById('pinBadge').classList.add('hidden');
+                    document.getElementById('pinBtnText').textContent = '置顶';
+                }
+                
+                loadNotes();
+            }
+        }
+
+        // 置顶列表项
+        async function togglePinItem(id) {
+            const res = await fetch(`/api/notes/${id}/pin`, { method: 'POST' });
+            const data = await res.json();
+            
+            if (data.success) {
+                if (currentNoteId === id) {
+                    currentNotePinned = data.pinned;
+                    if (data.pinned) {
+                        document.getElementById('pinBadge').classList.remove('hidden');
+                        document.getElementById('pinBtnText').textContent = '取消置顶';
+                    } else {
+                        document.getElementById('pinBadge').classList.add('hidden');
+                        document.getElementById('pinBtnText').textContent = '置顶';
+                    }
+                }
+                loadNotes();
+            }
+        }
+
+        // 删除列表项
+        async function deleteItem(id) {
+            if (!confirm('确定删除这条记录？')) return;
+            
+            await fetch(`/api/notes/${id}`, { method: 'DELETE' });
+            
+            if (currentNoteId === id) {
+                currentNoteId = null;
+                document.getElementById('toolbar').classList.add('hidden');
+                document.getElementById('editorContainer').classList.add('hidden');
+                document.getElementById('emptyState').classList.remove('hidden');
+            }
+            
+            loadNotes();
+        }
+
+        // 导出笔记
+        async function exportItem(id) {
+            const res = await fetch(`/api/notes/${id}`);
+            const note = await res.json();
+            
+            if (!note) return;
+            
+            // 创建下载内容
+            const content = `# ${note.title}\n\n创建时间: ${note.created_at}\n更新时间: ${note.updated_at}\n\n---\n\n${note.content}`;
+            
+            // 创建Blob并下载
+            const blob = new Blob([content], { type: 'text/markdown;charset=utf-8' });
+            const url = URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            a.download = `${note.title || '记录'}.md`;
+            a.click();
+            URL.revokeObjectURL(url);
+        }
+
+        // 重命名标题
+        async function renameTitle(id, currentTitle) {
+            const newTitle = prompt('请输入新标题：', currentTitle);
+            
+            if (newTitle === null) return; // 用户取消
+            
+            const trimmedTitle = newTitle.trim();
+            if (!trimmedTitle) {
+                alert('标题不能为空！');
+                return;
+            }
+            
+            const res = await fetch(`/api/notes/${id}/rename`, {
+                method: 'POST',
+                headers: { 'Content-Type': 'application/json' },
+                body: JSON.stringify({ title: trimmedTitle })
+            });
+            
+            const data = await res.json();
+            
+            if (data.success) {
+                // 如果是当前编辑的笔记，更新标题显示
+                if (currentNoteId === id) {
+                    document.getElementById('titleText').textContent = data.title;
+                }
+                loadNotes();
+            } else {
+                alert(data.error || '重命名失败');
+            }
+        }
+
+        // 显示/隐藏菜单
+        function toggleMenu(id) {
+            const menu = document.getElementById(`menu-${id}`);
+            if (menu) {
+                // 先隐藏其他所有菜单
+                document.querySelectorAll('[id^="menu-"]').forEach(m => {
+                    if (m.id !== `menu-${id}`) m.classList.add('hidden');
+                });
+                menu.classList.toggle('hidden');
+            }
+        }
+
+        function hideMenu(id) {
+            const menu = document.getElementById(`menu-${id}`);
+            if (menu) menu.classList.add('hidden');
+        }
+
+        // 点击其他地方关闭所有菜单
+        document.addEventListener('click', () => {
+            document.querySelectorAll('[id^="menu-"]').forEach(m => m.classList.add('hidden'));
+        });
+
+        // 删除当前笔记
         async function deleteCurrentNote() {
             if (!currentNoteId) return;
             
@@ -217,8 +433,49 @@
             loadNotes();
         }
 
+        // 导出当前笔记
+        async function exportCurrentNote() {
+            if (!currentNoteId) return;
+            
+            const title = document.getElementById('titleText').textContent;
+            const content = document.getElementById('editor').value;
+            const timeInfo = document.getElementById('currentTime').textContent;
+            
+            // 创建下载内容
+            const exportContent = `# ${title}\n\n${timeInfo}\n\n---\n\n${content}`;
+            
+            // 创建Blob并下载
+            const blob = new Blob([exportContent], { type: 'text/markdown;charset=utf-8' });
+            const url = URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            a.download = `${title}.md`;
+            a.click();
+            URL.revokeObjectURL(url);
+        }
+
+        // 定时检查标题更新（用于异步生成标题后刷新）
+        function startTitlePolling() {
+            if (titleUpdateTimer) clearInterval(titleUpdateTimer);
+            
+            titleUpdateTimer = setInterval(async () => {
+                if (currentNoteId) {
+                    const res = await fetch(`/api/notes/${currentNoteId}`);
+                    const note = await res.json();
+                    
+                    const currentTitle = document.getElementById('titleText').textContent;
+                    
+                    if (note.title !== currentTitle && note.title !== '新记录') {
+                        document.getElementById('titleText').textContent = note.title;
+                        loadNotes();
+                    }
+                }
+            }, 2000);
+        }
+
         // 初始化
         loadNotes();
+        startTitlePolling();
     </script>
 </body>
 </html>