hubian
2b5ca93b51
- 点击记录时获取锁，阻止其他人同时编辑 - 锁超时30秒自动释放（无心跳） - 心跳每10秒发送保持锁活跃 - 强制抢锁功能（打断对方编辑） - 页面离开自动释放锁 - 锁丢失弹窗提醒 双重保护：编辑锁（主防线） + 版本号（备用防线） 测试验证： - A获取锁成功 - B获取锁失败(423) - A释放锁后B成功获取 - 超时35秒后锁自动释放
849 lines
38 KiB
HTML
849 lines
38 KiB
HTML
<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>碎片记录</title>
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<link rel="icon" type="image/svg+xml" href="/static/favicon.svg">
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<script src="https://cdn.tailwindcss.com"></script>
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<link href="https://cdn.jsdelivr.net/npm/remixicon@3.5.0/fonts/remixicon.css" rel="stylesheet">
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<style>
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.note-item:hover { background: #f3f4f6; }
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.note-item.active { background: #e0e7ff; border-left: 3px solid #6366f1; }
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.note-item.pinned { background: #fef3c7; }
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.note-item.pinned.active { background: #fde68a; border-left: 3px solid #f59e0b; }
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.editor-area:focus { outline: none; }
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.fade-in { animation: fadeIn 0.3s ease; }
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@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
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.gradient-bg { background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); }
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.action-btn {
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opacity: 0;
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transition: opacity 0.2s;
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}
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.note-item:hover .action-btn {
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opacity: 1;
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}
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/* 菜单弹出时强制显示，不被其他元素遮挡 */
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.action-btn.show-menu {
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opacity: 1 !important;
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z-index: 100 !important;
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}
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.popup-menu {
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z-index: 1000 !important;
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}
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</style>
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</head>
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<body class="bg-gray-100 h-screen overflow-hidden">
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<div class="flex h-full">
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<!-- 左侧：笔记列表 -->
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<aside class="w-72 bg-white border-r flex flex-col">
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<!-- 顶部：搜索和新建 -->
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<div class="p-4 border-b">
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<div class="relative mb-3">
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<i class="ri-search-line absolute left-3 top-1/2 -translate-y-1/2 text-gray-400"></i>
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<input type="text" id="searchInput" placeholder="搜索..."
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class="w-full pl-10 pr-4 py-2 border border-gray-200 rounded-lg focus:outline-none focus:border-purple-400"
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oninput="searchNotes()">
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</div>
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<!-- 显示模式开关 -->
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<div class="flex items-center gap-2 mb-3">
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<label class="flex items-center gap-1 text-sm text-gray-600 cursor-pointer">
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<input type="checkbox" id="showPreview" checked onchange="loadNotes()" class="w-4 h-4 rounded">
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<span>显示内容预览</span>
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</label>
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</div>
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<button onclick="createNote()" class="w-full py-2 gradient-bg text-white rounded-lg hover:opacity-90 transition">
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<i class="ri-add-line mr-1"></i> 新建记录
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</button>
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</div>
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<!-- 笔记列表 -->
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<div id="noteList" class="flex-1 overflow-auto">
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<div class="p-4 text-center text-gray-400">
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<i class="ri-file-text-line text-4xl mb-2"></i>
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<p>暂无记录</p>
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</div>
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</div>
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</aside>
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<!-- 右侧：编辑区域 -->
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<main class="flex-1 flex flex-col bg-gray-50">
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<!-- 顶部工具栏 -->
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<div id="toolbar" class="hidden p-4 bg-white border-b flex justify-between items-center">
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<div>
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<h2 id="currentTitle" class="text-lg font-semibold text-gray-800 flex items-center gap-2">
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<span id="titleText"></span>
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<span id="pinBadge" class="hidden px-2 py-0.5 bg-yellow-100 text-yellow-600 rounded text-xs">
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<i class="ri-pushpin-line"></i> 置顶
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</span>
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</h2>
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<p id="currentTime" class="text-sm text-gray-500"></p>
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</div>
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<div class="flex gap-2">
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<button onclick="exportCurrentNote()" class="px-3 py-1 text-sm text-gray-600 hover:bg-gray-50 rounded-lg">
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<i class="ri-download-line mr-1"></i> 导出
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</button>
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<button onclick="togglePin()" id="pinBtn" class="px-3 py-1 text-sm text-gray-600 hover:bg-gray-50 rounded-lg">
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<i class="ri-pushpin-line mr-1"></i> <span id="pinBtnText">置顶</span>
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</button>
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<button onclick="regenerateTitle()" class="px-3 py-1 text-sm text-purple-600 hover:bg-purple-50 rounded-lg">
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<i class="ri-magic-line mr-1"></i> 重新生成标题
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</button>
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<button onclick="deleteCurrentNote()" class="px-3 py-1 text-sm text-red-500 hover:bg-red-50 rounded-lg">
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<i class="ri-delete-bin-line mr-1"></i> 删除
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</button>
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</div>
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</div>
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<!-- 编辑区域 -->
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<div id="editorContainer" class="hidden flex-1 p-6 fade-in">
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<textarea id="editor"
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class="w-full h-full p-4 bg-white rounded-xl border border-gray-200 resize-none editor-area text-gray-700 leading-relaxed"
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placeholder="在这里记录你的想法..."
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oninput="saveContent()"></textarea>
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</div>
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<!-- 空状态 -->
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<div id="emptyState" class="flex-1 flex items-center justify-center">
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<div class="text-center text-gray-400">
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<i class="ri-quill-pen-line text-6xl mb-4"></i>
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<p class="text-lg">选择一个记录，或新建一个</p>
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</div>
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</div>
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</main>
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</div>
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<script>
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let currentNoteId = null;
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let currentNotePinned = false;
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let currentNoteVersion = 0; // 当前笔记版本号
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let currentSessionId = ''; // 当前会话ID（用于锁）
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let hasLock = false; // 是否持有当前记录的锁
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let saveTimer = null;
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let heartbeatTimer = null; // 心跳计时器
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let notes = [];
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let titleUpdateTimer = null;
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// 生成或获取session_id
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function getSessionId() {
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if (!currentSessionId) {
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currentSessionId = localStorage.getItem('snippet_session_id') || '';
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if (!currentSessionId) {
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currentSessionId = 'session_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
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localStorage.setItem('snippet_session_id', currentSessionId);
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}
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}
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return currentSessionId;
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}
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// 加载笔记列表
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async function loadNotes() {
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const keyword = document.getElementById('searchInput').value.trim();
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const showPreview = document.getElementById('showPreview').checked;
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const url = keyword ? `/api/search?q=${encodeURIComponent(keyword)}` : '/api/notes';
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const res = await fetch(url);
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notes = await res.json();
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const container = document.getElementById('noteList');
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if (notes.length === 0) {
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container.innerHTML = `
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<div class="p-4 text-center text-gray-400">
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<i class="ri-file-text-line text-4xl mb-2"></i>
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<p>${keyword ? '未找到相关记录' : '暂无记录'}</p>
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</div>
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`;
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return;
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}
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container.innerHTML = notes.map(n => `
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<div class="note-item relative p-4 cursor-pointer border-b ${currentNoteId === n.id ? 'active' : ''} ${n.pinned ? 'pinned' : ''}"
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onclick="selectNote('${n.id}')">
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<div class="flex items-center gap-2 pr-16">
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${n.pinned ? '<i class="ri-pushpin-fill text-yellow-500 text-sm"></i>' : ''}
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<h3 class="font-medium text-gray-800 truncate flex-1">${n.title || '新记录'}</h3>
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</div>
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${showPreview && n.preview ? `<p class="text-sm text-gray-500 truncate mt-1">${n.preview}</p>` : ''}
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<p class="text-xs text-gray-400 mt-1">${n.updated_at}</p>
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<!-- 操作按钮组 -->
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<div class="action-btn absolute right-2 top-1/2 -translate-y-1/2">
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<button onclick="event.stopPropagation(); toggleMenu('${n.id}')"
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class="p-1.5 rounded hover:bg-gray-200 text-gray-500" title="更多操作">
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<i class="ri-more-fill"></i>
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</button>
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<div id="menu-${n.id}" class="hidden absolute right-0 top-full mt-1 bg-white rounded-lg shadow-lg border z-10 min-w-[100px]">
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<button onclick="event.stopPropagation(); renameTitle('${n.id}', '${n.title || '新记录'}'); hideMenu('${n.id}')"
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class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
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<i class="ri-edit-line"></i> 重命名
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</button>
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<button onclick="event.stopPropagation(); exportItem('${n.id}'); hideMenu('${n.id}')"
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class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
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<i class="ri-download-line"></i> 导出
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</button>
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<button onclick="event.stopPropagation(); togglePinItem('${n.id}'); hideMenu('${n.id}')"
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class="w-full px-3 py-2 text-left text-sm text-gray-600 hover:bg-gray-50 flex items-center gap-2">
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<i class="ri-pushpin-line"></i> ${n.pinned ? '取消置顶' : '置顶'}
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</button>
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<button onclick="event.stopPropagation(); deleteItem('${n.id}'); hideMenu('${n.id}')"
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class="w-full px-3 py-2 text-left text-sm text-red-500 hover:bg-red-50 flex items-center gap-2">
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<i class="ri-delete-bin-line"></i> 删除
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</button>
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</div>
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</div>
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</div>
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`).join('');
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}
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// 创建新笔记
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async function createNote() {
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const res = await fetch('/api/notes', { method: 'POST' });
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const note = await res.json();
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currentNoteId = note.id;
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currentNotePinned = false;
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loadNotes();
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showEditor(note);
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}
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// 选择笔记
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async function selectNote(id) {
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// 如果当前正在编辑另一条记录，先释放锁
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if (currentNoteId && currentNoteId !== id && hasLock) {
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await releaseLock(currentNoteId);
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}
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currentNoteId = id;
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// 尝试获取锁
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const lockRes = await fetch(`/api/notes/${id}/lock`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ session_id: getSessionId() })
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});
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const lockData = await lockRes.json();
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if (lockRes.status === 423 || !lockData.is_owner) {
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// 锁被其他人持有，显示警告
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hasLock = false;
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showLockedWarning(id, lockData);
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return;
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}
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// 成功获取锁
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hasLock = true;
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// 获取笔记内容
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const res = await fetch(`/api/notes/${id}`);
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const note = await res.json();
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currentNotePinned = note.pinned || false;
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currentNoteVersion = note.version || 1;
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showEditor(note);
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// 启动心跳
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startHeartbeat(id);
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loadNotes();
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}
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// 显示锁警告
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function showLockedWarning(noteId, lockData) {
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const oldWarning = document.getElementById('lockWarning');
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if (oldWarning) oldWarning.remove();
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const warning = document.createElement('div');
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warning.id = 'lockWarning';
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warning.className = 'fixed inset-0 bg-black/50 flex items-center justify-center z-50';
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warning.innerHTML = `
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<div class="bg-white rounded-xl shadow-2xl max-w-md w-full mx-4 p-6 text-center">
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<div class="text-red-500 mb-4">
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<i class="ri-lock-line text-5xl"></i>
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</div>
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<h3 class="text-lg font-semibold text-gray-800 mb-2">记录正在被编辑</h3>
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<p class="text-gray-600 mb-4">${lockData.message || '该记录正在被其他人编辑，暂时无法编辑'}</p>
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<p class="text-sm text-gray-400 mb-6">编辑者: ${lockData.lock_owner || '其他用户'}</p>
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<div class="flex gap-3 justify-center">
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<button onclick="tryForceLock('${noteId}')"
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class="px-4 py-2 bg-red-500 text-white rounded-lg hover:bg-red-600">
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强制抢锁（会打断对方编辑）
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</button>
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<button onclick="closeLockWarning()"
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class="px-4 py-2 border rounded-lg hover:bg-gray-50 text-gray-600">
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返回列表
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</button>
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</div>
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</div>
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`;
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document.body.appendChild(warning);
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}
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// 关闭锁警告
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function closeLockWarning() {
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const warning = document.getElementById('lockWarning');
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if (warning) warning.remove();
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currentNoteId = null;
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}
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// 强制抢锁
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async function tryForceLock(noteId) {
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if (!confirm('强制抢锁会导致对方编辑中断，确定要抢锁吗？')) {
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return;
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}
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// 先释放对方的锁（用不同的session_id抢锁）
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const newSessionId = 'force_' + getSessionId();
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const lockRes = await fetch(`/api/notes/${noteId}/lock`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ session_id: newSessionId })
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});
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const lockData = await lockRes.json();
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if (lockData.is_owner) {
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closeLockWarning();
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currentSessionId = newSessionId;
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localStorage.setItem('snippet_session_id', newSessionId);
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currentNoteId = noteId;
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hasLock = true;
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const res = await fetch(`/api/notes/${noteId}`);
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const note = await res.json();
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currentNotePinned = note.pinned || false;
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currentNoteVersion = note.version || 1;
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showEditor(note);
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startHeartbeat(noteId);
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loadNotes();
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showSaveToast('已抢锁成功，请尽快编辑');
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} else {
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alert('抢锁失败，对方可能刚刚刷新了锁');
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closeLockWarning();
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}
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}
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// 释放锁
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async function releaseLock(noteId) {
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if (!noteId) return;
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await fetch(`/api/notes/${noteId}/unlock`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ session_id: getSessionId() })
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});
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hasLock = false;
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}
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// 启动心跳
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function startHeartbeat(noteId) {
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if (heartbeatTimer) clearInterval(heartbeatTimer);
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// 每10秒发送心跳
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heartbeatTimer = setInterval(async () => {
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if (currentNoteId === noteId && hasLock) {
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try {
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const res = await fetch(`/api/notes/${noteId}/heartbeat`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ session_id: getSessionId() })
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});
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if (res.status === 403 || res.status === 404) {
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// 锁丢失！显示警告
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showLockLostWarning();
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hasLock = false;
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}
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} catch (e) {
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console.error('心跳失败:', e);
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}
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}
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}, 10000); // 10秒心跳
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}
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// 锁丢失警告
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function showLockLostWarning() {
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const oldWarning = document.getElementById('lockWarning');
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if (oldWarning) oldWarning.remove();
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const warning = document.createElement('div');
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warning.id = 'lockWarning';
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warning.className = 'fixed inset-0 bg-black/50 flex items-center justify-center z-50';
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warning.innerHTML = `
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<div class="bg-white rounded-xl shadow-2xl max-w-md w-full mx-4 p-6 text-center">
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<div class="text-orange-500 mb-4">
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<i class="ri-lock-unlock-line text-5xl"></i>
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</div>
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<h3 class="text-lg font-semibold text-gray-800 mb-2">编辑锁已丢失</h3>
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<p class="text-gray-600 mb-4">您的编辑锁已被其他人抢走，或网络中断导致锁超时释放。</p>
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<p class="text-sm text-gray-500 mb-6">您的修改可能未保存，建议重新获取锁。</p>
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<div class="flex gap-3 justify-center">
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<button onclick="tryForceLock('${currentNoteId}')"
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class="px-4 py-2 bg-orange-500 text-white rounded-lg hover:bg-orange-600">
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重新抢锁
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</button>
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<button onclick="closeLockWarning(); location.reload();"
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class="px-4 py-2 border rounded-lg hover:bg-gray-50 text-gray-600">
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返回列表
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</button>
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</div>
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</div>
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`;
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document.body.appendChild(warning);
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}
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// 显示编辑器
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function showEditor(note) {
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document.getElementById('toolbar').classList.remove('hidden');
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document.getElementById('editorContainer').classList.remove('hidden');
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document.getElementById('emptyState').classList.add('hidden');
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document.getElementById('titleText').textContent = note.title || '新记录';
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if (note.pinned) {
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document.getElementById('pinBadge').classList.remove('hidden');
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document.getElementById('pinBtnText').textContent = '取消置顶';
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} else {
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document.getElementById('pinBadge').classList.add('hidden');
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document.getElementById('pinBtnText').textContent = '置顶';
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}
|
|
|
|
document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
|
|
document.getElementById('editor').value = note.content || '';
|
|
}
|
|
|
|
// 保存内容（延迟保存）
|
|
function saveContent() {
|
|
if (!currentNoteId) return;
|
|
|
|
// 必须持有锁才能保存
|
|
if (!hasLock) {
|
|
showLockLostWarning();
|
|
return;
|
|
}
|
|
|
|
if (saveTimer) clearTimeout(saveTimer);
|
|
|
|
saveTimer = setTimeout(async () => {
|
|
const content = document.getElementById('editor').value;
|
|
|
|
// 检查内容是否为空（只有空白字符）
|
|
if (content.trim() === '') {
|
|
const oldContent = await fetch(`/api/notes/${currentNoteId}`).then(r => r.json()).then(n => n.content || '');
|
|
if (oldContent.trim() !== '') {
|
|
if (!confirm('内容已清空，确定要保存为空吗？')) {
|
|
document.getElementById('editor').value = oldContent;
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
const res = await fetch(`/api/notes/${currentNoteId}`, {
|
|
method: 'PUT',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({ content, version: currentNoteVersion })
|
|
});
|
|
|
|
if (res.status === 409) {
|
|
const conflict = await res.json();
|
|
showConflictDialog(conflict, content);
|
|
return;
|
|
}
|
|
|
|
const note = await res.json();
|
|
currentNoteVersion = note.version;
|
|
document.getElementById('titleText').textContent = note.title;
|
|
document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
|
|
loadNotes();
|
|
}, 500);
|
|
}
|
|
|
|
// 显示冲突对话框
|
|
function showConflictDialog(conflict, myContent) {
|
|
const oldDialog = document.getElementById('conflictDialog');
|
|
if (oldDialog) oldDialog.remove();
|
|
|
|
const dialog = document.createElement('div');
|
|
dialog.id = 'conflictDialog';
|
|
dialog.className = 'fixed inset-0 bg-black/50 flex items-center justify-center z-50';
|
|
dialog.innerHTML = `
|
|
<div class="bg-white rounded-xl shadow-2xl max-w-2xl w-full mx-4 p-6">
|
|
<h3 class="text-lg font-semibold text-red-600 mb-4 flex items-center gap-2">
|
|
<i class="ri-error-warning-line"></i> 检测到同步冲突
|
|
</h3>
|
|
<p class="text-gray-600 mb-4">该记录在其他设备上已被修改。您可以选择：</p>
|
|
|
|
<div class="grid grid-cols-2 gap-4 mb-6">
|
|
<div class="border rounded-lg p-4 bg-gray-50">
|
|
<h4 class="font-medium text-gray-700 mb-2">其他设备的版本 (最新)</h4>
|
|
<p class="text-xs text-gray-500 mb-2">更新时间: ${conflict.server_updated_at}</p>
|
|
<div class="bg-white border rounded p-3 max-h-40 overflow-auto text-sm">
|
|
${conflict.server_content || '<span class="text-gray-400">空内容</span>'}
|
|
</div>
|
|
</div>
|
|
<div class="border rounded-lg p-4 bg-purple-50">
|
|
<h4 class="font-medium text-purple-700 mb-2">您的版本</h4>
|
|
<p class="text-xs text-gray-500 mb-2">刚才编辑的内容</p>
|
|
<div class="bg-white border rounded p-3 max-h-40 overflow-auto text-sm">
|
|
${myContent || '<span class="text-gray-400">空内容</span>'}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
<div class="flex gap-3 justify-end">
|
|
<button onclick="handleConflictChoice('discard')"
|
|
class="px-4 py-2 border rounded-lg hover:bg-gray-50 text-gray-600">
|
|
放弃我的修改，保留最新版本
|
|
</button>
|
|
<button onclick="handleConflictChoice('overwrite')"
|
|
class="px-4 py-2 bg-purple-600 text-white rounded-lg hover:bg-purple-700">
|
|
强制保存我的版本
|
|
</button>
|
|
</div>
|
|
</div>
|
|
`;
|
|
document.body.appendChild(dialog);
|
|
window.conflictData = { conflict, myContent };
|
|
}
|
|
|
|
// 处理冲突选择
|
|
async function handleConflictChoice(choice) {
|
|
const { conflict, myContent } = window.conflictData;
|
|
const dialog = document.getElementById('conflictDialog');
|
|
if (dialog) dialog.remove();
|
|
|
|
if (choice === 'discard') {
|
|
document.getElementById('editor').value = conflict.server_content;
|
|
document.getElementById('titleText').textContent = conflict.server_title;
|
|
document.getElementById('currentTime').textContent = `创建于 ${conflict.server_updated_at}`;
|
|
currentNoteVersion = conflict.server_version;
|
|
showSaveToast('已加载最新版本');
|
|
} else if (choice === 'overwrite') {
|
|
const res = await fetch(`/api/notes/${currentNoteId}`, {
|
|
method: 'PUT',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({ content: myContent, version: 0 })
|
|
});
|
|
|
|
const note = await res.json();
|
|
currentNoteVersion = note.version;
|
|
document.getElementById('titleText').textContent = note.title;
|
|
document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
|
|
showSaveToast('已强制保存');
|
|
loadNotes();
|
|
}
|
|
}
|
|
|
|
// 搜索笔记
|
|
function searchNotes() {
|
|
loadNotes();
|
|
}
|
|
|
|
// 重新生成标题
|
|
async function regenerateTitle() {
|
|
if (!currentNoteId) return;
|
|
|
|
const btn = event.target.closest('button');
|
|
btn.disabled = true;
|
|
btn.innerHTML = '<i class="ri-loader-4-line animate-spin mr-1"></i> 生成中...';
|
|
|
|
try {
|
|
const res = await fetch(`/api/notes/${currentNoteId}/title`, { method: 'POST' });
|
|
const data = await res.json();
|
|
|
|
if (data.success) {
|
|
document.getElementById('titleText').textContent = data.title;
|
|
// 立即刷新列表
|
|
loadNotes();
|
|
}
|
|
} catch (e) {
|
|
console.error(e);
|
|
}
|
|
|
|
btn.disabled = false;
|
|
btn.innerHTML = '<i class="ri-magic-line mr-1"></i> 重新生成标题';
|
|
}
|
|
|
|
// 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-${id}`);
|
|
const actionBtn = menu?.closest('.action-btn');
|
|
|
|
if (menu) {
|
|
// 先隐藏其他所有菜单
|
|
document.querySelectorAll('[id^="menu-"]').forEach(m => {
|
|
m.classList.remove('popup-menu');
|
|
m.classList.add('hidden');
|
|
m.closest('.action-btn')?.classList.remove('show-menu');
|
|
});
|
|
|
|
const isHidden = menu.classList.contains('hidden');
|
|
menu.classList.toggle('hidden');
|
|
|
|
if (!menu.classList.contains('hidden')) {
|
|
menu.classList.add('popup-menu');
|
|
actionBtn?.classList.add('show-menu');
|
|
}
|
|
}
|
|
}
|
|
|
|
function hideMenu(id) {
|
|
const menu = document.getElementById(`menu-${id}`);
|
|
const actionBtn = menu?.closest('.action-btn');
|
|
if (menu) {
|
|
menu.classList.add('hidden');
|
|
menu.classList.remove('popup-menu');
|
|
actionBtn?.classList.remove('show-menu');
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
|
|
if (!confirm('确定删除这条记录？')) return;
|
|
|
|
// 释放锁
|
|
await releaseLock(currentNoteId);
|
|
|
|
await fetch(`/api/notes/${currentNoteId}`, { method: 'DELETE' });
|
|
|
|
currentNoteId = null;
|
|
hasLock = false;
|
|
|
|
if (heartbeatTimer) clearInterval(heartbeatTimer);
|
|
|
|
document.getElementById('toolbar').classList.add('hidden');
|
|
document.getElementById('editorContainer').classList.add('hidden');
|
|
document.getElementById('emptyState').classList.remove('hidden');
|
|
|
|
loadNotes();
|
|
}
|
|
|
|
// 页面离开时释放锁
|
|
window.addEventListener('beforeunload', () => {
|
|
if (currentNoteId && hasLock) {
|
|
// 使用fetch keepalive模式发送释放锁请求
|
|
fetch(`/api/notes/${currentNoteId}/unlock`, {
|
|
method: 'POST',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({ session_id: getSessionId() }),
|
|
keepalive: true // 页面关闭后仍能发送
|
|
});
|
|
}
|
|
});
|
|
|
|
// 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;
|
|
|
|
const exportContent = `# ${title}\n\n${timeInfo}\n\n---\n\n${content}`;
|
|
|
|
const blob = new Blob([exportContent], { type: 'text/markdown;charset=utf-8' });
|
|
const url = URL.createObjectURL(blob);
|
|
const a = document.createElement('a');
|
|
a.href = url;
|
|
a.download = `${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 && hasLock) {
|
|
const res = await fetch(`/api/notes/${currentNoteId}`);
|
|
const note = await res.json();
|
|
|
|
const currentTitle = document.getElementById('titleText').textContent;
|
|
|
|
if (note.title !== currentTitle && note.title !== '新记录') {
|
|
document.getElementById('titleText').textContent = note.title;
|
|
loadNotes();
|
|
}
|
|
}
|
|
}, 2000);
|
|
}
|
|
|
|
// Ctrl+S 快捷键保存
|
|
document.addEventListener('keydown', async (e) => {
|
|
if ((e.ctrlKey || e.metaKey) && e.key === 's') {
|
|
e.preventDefault();
|
|
|
|
if (currentNoteId && hasLock) {
|
|
if (saveTimer) clearTimeout(saveTimer);
|
|
|
|
const content = document.getElementById('editor').value;
|
|
|
|
const res = await fetch(`/api/notes/${currentNoteId}`, {
|
|
method: 'PUT',
|
|
headers: { 'Content-Type': 'application/json' },
|
|
body: JSON.stringify({ content, version: currentNoteVersion })
|
|
});
|
|
|
|
if (res.status === 409) {
|
|
const conflict = await res.json();
|
|
showConflictDialog(conflict, content);
|
|
return;
|
|
}
|
|
|
|
const note = await res.json();
|
|
currentNoteVersion = note.version;
|
|
document.getElementById('titleText').textContent = note.title;
|
|
document.getElementById('currentTime').textContent = `创建于 ${note.created_at} · 更新于 ${note.updated_at}`;
|
|
showSaveToast();
|
|
loadNotes();
|
|
}
|
|
}
|
|
});
|
|
|
|
// 显示保存成功提示
|
|
function showSaveToast(message = '已保存') {
|
|
const oldToast = document.getElementById('saveToast');
|
|
if (oldToast) oldToast.remove();
|
|
|
|
const toast = document.createElement('div');
|
|
toast.id = 'saveToast';
|
|
toast.className = 'fixed bottom-4 right-4 px-4 py-2 bg-green-500 text-white rounded-lg shadow-lg fade-in flex items-center gap-2';
|
|
toast.innerHTML = `<i class="ri-check-line"></i> ${message}`;
|
|
document.body.appendChild(toast);
|
|
|
|
setTimeout(() => {
|
|
toast.style.opacity = '0';
|
|
toast.style.transition = 'opacity 0.3s';
|
|
setTimeout(() => toast.remove(), 300);
|
|
}, 2000);
|
|
}
|
|
|
|
// 初始化
|
|
loadNotes();
|
|
</script>
|
|
</body>
|
|
</html> |