linh
/
genealogy-app


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>传统吊线图导出 - 家谱管理系统</title>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.0/font/bootstrap-icons.css">
    <style>
        body {
            background-color: #f0f2f5;
            padding: 20px;
            font-family: "Microsoft YaHei", "SimSun", serif;
        }
        .toolbar {
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            margin-bottom: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .export-container {
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 40px;
            align-items: center;
        }

        .page-block {
            background-color: #fff;
            padding: 40px 60px;
            border: 1px solid #ddd;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: relative;
            /* 类似A4纸横向或纵向，这里允许根据内容自适应宽度 */
            min-width: 1000px;
            overflow-x: auto;
        }

        .page-header {
            text-align: center;
            margin-bottom: 30px;
            position: relative;
        }
        
        .page-title {
            font-size: 28px;
            font-weight: bold;
            letter-spacing: 4px;
            font-family: "KaiTi", "SimSun", serif;
        }

        .page-subtitle {
            position: absolute;
            right: 0;
            top: 10px;
            font-size: 14px;
            color: #333;
        }
        
        .page-left-title {
            position: absolute;
            left: 0;
            top: 10px;
            font-size: 14px;
            color: #333;
        }

        /* SVG 样式 */
        .tree-svg {
            display: block;
            margin: 0 auto;
            overflow: visible;
        }

        .line {
            fill: none;
            stroke: #333;
            stroke-width: 1.5px;
            shape-rendering: crispEdges;
        }

        .gen-text {
            font-size: 16px;
            fill: #d32f2f;
            font-weight: bold;
            font-family: "KaiTi", "SimSun", serif;
        }

        .node-rect {
            fill: #fff;
        }

        .node-text {
            font-size: 18px;
            font-weight: bold;
            fill: #000;
            font-family: "KaiTi", "SimSun", serif;
        }
        .node-text.selected-root-text {
            fill: #0d6efd;
            font-weight: 700;
        }
        .node-selector {
            cursor: pointer;
        }
        .node-selector-box {
            fill: #fff;
            stroke: #999;
            stroke-width: 1.2px;
            rx: 2px;
            ry: 2px;
        }
        .node-selector-box.checked {
            fill: #0d6efd;
            stroke: #0d6efd;
        }
        .node-selector-mark {
            font-size: 10px;
            fill: #fff;
            font-family: Arial, sans-serif;
            pointer-events: none;
        }
        .selected-member-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 8px;
            border: 1px solid #ced4da;
            border-radius: 12px;
            margin: 4px 6px 0 0;
            font-size: 13px;
            background: #f8f9fa;
        }
        .selected-member-chip button {
            border: none;
            background: transparent;
            color: #dc3545;
            font-size: 14px;
            line-height: 1;
            padding: 0 2px;
            cursor: pointer;
        }
        
        .node-spouse {
            font-size: 12px;
            fill: #555;
            font-family: "KaiTi", "SimSun", serif;
        }

        .node-mark {
            font-size: 12px;
            fill: #d32f2f;
            font-family: "Microsoft YaHei", sans-serif;
        }
        
        .rel-text {
            font-size: 12px;
            fill: #666;
            font-family: "KaiTi", "SimSun", serif;
        }

    </style>
</head>
<body>
    <div class="container-fluid">
        <div class="toolbar d-print-none">
            <div>
                <a href="/manager/tree" class="btn btn-outline-secondary me-2"><i class="bi bi-arrow-left"></i> 返回</a>
                <h4 class="d-inline mb-0 align-middle">传统吊线图预览</h4>
            </div>
            <div>
                <button class="btn btn-outline-primary me-2" data-bs-toggle="modal" data-bs-target="#memberSelectModal">
                    <i class="bi bi-person-lines-fill"></i> 选择起始人员
                </button>
                <button id="btnExport" class="btn btn-primary"><i class="bi bi-download"></i> 导出为图片</button>
            </div>
        </div>

        <div id="loading" class="text-center py-5">
            <div class="spinner-border text-primary" role="status"></div>
            <p class="mt-2 text-muted">正在加载并生成排版...</p>
        </div>

        <div class="export-container" id="exportArea">
            <!-- 页面块将通过JS生成插入到这里 -->
        </div>
    </div>

    <!-- 人员选择 Modal -->
    <div class="modal fade" id="memberSelectModal" tabindex="-1" aria-hidden="true">
      <div class="modal-dialog modal-dialog-scrollable">
        <div class="modal-content">
          <div class="modal-header">
            <h5 class="modal-title">选择要导出的起始人员（祖先）</h5>
            <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
          </div>
          <div class="modal-body">
            <div class="mb-3">
                <div class="small text-muted mb-1">已勾选起始人员（可删除）</div>
                <div id="selectedMembersPanel"></div>
            </div>
            <input type="text" id="memberSearch" class="form-control mb-3" placeholder="搜索姓名...">
            <div class="mb-2">
                <button class="btn btn-sm btn-outline-secondary" onclick="selectAllMembers(true)">全选</button>
                <button class="btn btn-sm btn-outline-secondary" onclick="selectAllMembers(false)">全不选</button>
                <span class="text-muted small ms-2">可搜索增加人员；已勾选人员会显示在上方</span>
            </div>
            <div id="memberList" class="list-group">
                <!-- 成员复选框列表 -->
            </div>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">取消</button>
            <button type="button" class="btn btn-primary" onclick="drawSelectedTree()">开始绘制</button>
          </div>
        </div>
      </div>
    </div>

    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>
    
    <script>
        // 配置常量
        const CONFIG = {
            MAX_GEN_PER_PAGE: 10,  // 每页最多显示的代数
            X_STEP: 55,           // 列宽
            Y_STEP: 160,          // 行高 (代与代之间的距离)
            NODE_WIDTH: 24,       // 名字竖排的估计宽度
            NODE_HEIGHT: 80,      // 名字竖排的估计高度
            MARGIN_LEFT: 120,     // 左侧世系世代标记留白
            MARGIN_TOP: 20,       // 顶部留白
            MARGIN_BOTTOM: 40,    // 底部留白
            LINE_MID_OFFSET: 40   // 横线距离父节点底部的距离
        };

        let totalPagesCount = 0;
        let allMembersData = [];
        let allRelationsData = [];
        let selectedRootIdsSet = new Set();
        let showChartSelectors = true; // 图中快速勾选框显示开关

        const TRAD_TO_SIMP = {
            '學':'学','國':'国','萬':'万','寶':'宝','興':'兴','華':'华','會':'会',
            '葉':'叶','藝':'艺','號':'号','處':'处','見':'见','視':'视','語':'语',
            '貝':'贝','車':'车','長':'长','門':'门','韋':'韦','頁':'页','風':'风',
            '飛':'飞','馬':'马','魚':'鱼','鳥':'鸟','麥':'麦','黃':'黄','齊':'齐',
            '齒':'齿','龍':'龙','龜':'龟','壽':'寿','榮':'荣','愛':'爱','慶':'庆',
            '衛':'卫','賢':'贤','義':'义','禮':'礼','樂':'乐','靈':'灵','滅':'灭',
            '氣':'气','嚴':'严','銳':'锐','優':'优','楊':'杨','吳':'吴','銀':'银',
            '劉':'刘','陳':'陈','張':'张','趙':'赵','鄭':'郑','錢':'钱','許':'许',
            '鄧':'邓','蕭':'萧','謝':'谢','鍾':'钟','盧':'卢','譚':'谭','廖':'廖',
            '範':'范','蘇':'苏','薑':'姜','傳':'传','紀':'纪','開':'开','書':'书'
        };
        function toSimplifiedChinese(text) {
            return Array.from(text).map(ch => TRAD_TO_SIMP[ch] || ch).join('');
        }

        document.addEventListener('DOMContentLoaded', function() {
            loadTreeData();

            // Search filter for member list
            document.getElementById('memberSearch').addEventListener('input', function() {
                const term = this.value.trim().toLowerCase();
                const simplifiedTerm = toSimplifiedChinese(term);
                const labels = document.querySelectorAll('#memberList label');
                labels.forEach(lbl => {
                    const searchData = lbl.dataset.search || lbl.textContent.toLowerCase();
                    const visible = searchData.includes(term) || searchData.includes(simplifiedTerm);
                    lbl.style.display = visible ? 'block' : 'none';
                });
            });
            document.getElementById('memberSelectModal').addEventListener('show.bs.modal', function() {
                syncCheckboxesFromSelectedSet();
                renderSelectedMembersPanel();
            });

            document.getElementById('btnExport').addEventListener('click', function() {
                const element = document.getElementById('exportArea');
                const btn = this;
                const originalHtml = btn.innerHTML;
                
                btn.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> 正在渲染...';
                btn.disabled = true;

                setTimeout(() => {
                    html2canvas(element, {
                        scale: 2,
                        backgroundColor: '#f0f2f5',
                        logging: false
                    }).then(canvas => {
                        const imgData = canvas.toDataURL('image/jpeg', 0.9);
                        const link = document.createElement('a');
                        link.download = '家谱吊线图_' + new Date().getTime() + '.jpg';
                        link.href = imgData;
                        link.click();
                        
                        btn.innerHTML = originalHtml;
                        btn.disabled = false;
                    }).catch(err => {
                        console.error('导出失败:', err);
                        alert('导出失败，请重试。');
                        btn.innerHTML = originalHtml;
                        btn.disabled = false;
                    });
                }, 500);
            });
        });

        function selectAllMembers(checked) {
            document.querySelectorAll('.member-checkbox').forEach(cb => {
                if (cb.parentElement.style.display !== 'none') {
                    cb.checked = checked;
                }
            });
            syncSelectedSetFromCheckboxes();
            renderSelectedMembersPanel();
        }

        function syncSelectedSetFromCheckboxes() {
            selectedRootIdsSet = new Set(
                Array.from(document.querySelectorAll('.member-checkbox:checked'))
                    .map(cb => parseInt(cb.value))
                    .filter(v => !Number.isNaN(v))
            );
        }

        function syncCheckboxesFromSelectedSet() {
            document.querySelectorAll('.member-checkbox').forEach(cb => {
                const id = parseInt(cb.value);
                cb.checked = selectedRootIdsSet.has(id);
            });
        }

        function renderSelectedMembersPanel() {
            const panel = document.getElementById('selectedMembersPanel');
            if (!panel) return;
            const selectedMembers = allMembersData.filter(m => selectedRootIdsSet.has(m.id));
            if (selectedMembers.length === 0) {
                panel.innerHTML = '<span class="text-muted small">当前未勾选任何人员</span>';
                return;
            }
            panel.innerHTML = selectedMembers.map(m => `
                <span class="selected-member-chip">
                    <span>${m.name || ('ID:' + m.id)}</span>
                    <button type="button" data-remove-id="${m.id}" title="移除">×</button>
                </span>
            `).join('');
            panel.querySelectorAll('button[data-remove-id]').forEach(btn => {
                btn.addEventListener('click', function() {
                    const id = parseInt(this.dataset.removeId);
                    if (Number.isNaN(id)) return;
                    selectedRootIdsSet.delete(id);
                    syncCheckboxesFromSelectedSet();
                    renderSelectedMembersPanel();
                });
            });
        }

        function drawSelectedTree() {
            const selectedIds = Array.from(document.querySelectorAll('.member-checkbox:checked')).map(cb => parseInt(cb.value));
            if (selectedIds.length === 0) {
                alert('请至少选择一位起始人员。');
                return;
            }
            selectedRootIdsSet = new Set(selectedIds);
            showChartSelectors = false; // 点击“开始绘制”后进入正式输出模式，不显示勾选框
            
            // Close modal
            const modalEl = document.getElementById('memberSelectModal');
            const modal = bootstrap.Modal.getInstance(modalEl);
            if(modal) modal.hide();
            
            document.getElementById('loading').style.display = 'block';
            document.getElementById('exportArea').innerHTML = '';
            
            // Allow UI to update before heavy computation
            setTimeout(() => {
                buildAndRenderPages(allMembersData, allRelationsData, selectedIds);
            }, 100);
        }

        async function loadTreeData() {
            try {
                const response = await fetch('/manager/api/tree_data');
                const data = await response.json();
                if (data.error) return alert('获取数据失败: ' + data.error);
                
                allMembersData = data.members;
                allRelationsData = data.relations;
                
                // Populate member list in modal
                const listHtml = allMembersData.map(m => {
                    const gen = m.family_rank ? ` (排行/代数: ${m.family_rank})` : '';
                    const sname = m.simplified_name ? `（${m.simplified_name}）` : '';
                    const searchText = `${m.name || ''} ${m.simplified_name || ''} ${m.family_rank || ''}`.toLowerCase();
                    return `
                        <label class="list-group-item" data-search="${searchText}">
                            <input class="form-check-input me-1 member-checkbox" type="checkbox" value="${m.id}">
                            ${m.name}${sname}${gen}
                        </label>
                    `;
                }).join('');
                document.getElementById('memberList').innerHTML = listHtml;

                document.querySelectorAll('.member-checkbox').forEach(cb => {
                    cb.addEventListener('change', syncSelectedSetFromCheckboxes);
                    cb.addEventListener('change', renderSelectedMembersPanel);
                });
                
                // default build using empty selection (will find absolute roots)
                buildAndRenderPages(data.members, data.relations, []);
            } catch (error) {
                console.error(error);
                document.getElementById('loading').innerHTML = '<span class="text-danger">加载失败，请检查网络并重试。</span>';
            }
        }

        function extractGen(rankStr) {
            if (!rankStr) return null;
            const match = String(rankStr).match(/\d+/);
            return match ? parseInt(match[0]) : null;
        }

        // ===== 世系世代：中文数字转换 =====
        const CN_DIGITS = ['零','一','二','三','四','五','六','七','八','九'];
        const CN_UNITS  = ['','十','百','千','万'];

        function numToChinese(n) {
            if (n <= 0) return '零';
            if (n <= 10) return n === 10 ? '十' : CN_DIGITS[n];
            if (n < 20) return '十' + (n % 10 === 0 ? '' : CN_DIGITS[n % 10]);
            let result = '';
            const str = String(n);
            const len = str.length;
            for (let i = 0; i < len; i++) {
                const d = parseInt(str[i]);
                const unitIdx = len - 1 - i;
                if (d === 0) {
                    if (result && !result.endsWith('零') && i < len - 1) result += '零';
                } else {
                    result += CN_DIGITS[d] + CN_UNITS[unitIdx];
                }
            }
            return result.replace(/零+$/, '');
        }

        function chineseToNum(s) {
            if (!s) return NaN;
            s = s.trim();
            const digitMap = {'零':0,'一':1,'二':2,'三':3,'四':4,'五':5,'六':6,'七':7,'八':8,'九':9};
            const unitMap = {'十':10,'百':100,'千':1000,'万':10000};
            let result = 0, temp = 0;
            for (let i = 0; i < s.length; i++) {
                const ch = s[i];
                if (digitMap[ch] !== undefined) {
                    temp = digitMap[ch];
                } else if (unitMap[ch] !== undefined) {
                    if (temp === 0 && unitMap[ch] === 10) temp = 1;
                    result += temp * unitMap[ch];
                    temp = 0;
                }
            }
            result += temp;
            return result || NaN;
        }

        function parseLineageGenerations(str) {
            if (!str) return [];
            return str.split(';').filter(s => s.trim()).map(item => {
                item = item.trim();
                const m = item.match(/^(.+?)第(.+?)代$/);
                if (m) {
                    return { place: m[1], num: chineseToNum(m[2]), raw: item };
                }
                return { place: '', num: NaN, raw: item };
            });
        }

        function formatLineageGeneration(place, num) {
            if (isNaN(num) || num <= 0) return '';
            return place + '第' + numToChinese(num) + '代';
        }

        function computeLineageForGen(refLineage, refGen, targetGen) {
            if (!refLineage || refLineage.length === 0) return [];
            const diff = targetGen - refGen;
            return refLineage.map(lg => ({
                place: lg.place,
                num: lg.num + diff,
                formatted: formatLineageGeneration(lg.place, lg.num + diff)
            })).filter(lg => lg.num > 0);
        }

        function buildAndRenderPages(members, relations, selectedRootIds) {
            // 1. 构建树结构
            const memberMap = {};
            // Deep clone members to avoid state pollution between multiple drawings
            const clonedMembers = members.map(m => ({...m, children: [], spouses: []}));
            
            clonedMembers.forEach(m => {
                m.gen = extractGen(m.family_rank);
                memberMap[m.id] = m;
            });

            relations.forEach(rel => {
                const parent = memberMap[rel.parent_mid];
                const child = memberMap[rel.child_mid];
                if (!parent || !child) return;

                if (rel.relation_type === 1 || rel.relation_type === 2) {
                    parent.children.push(child);
                    child._hasParent = true;
                } else if (rel.relation_type === 10) {
                    parent.spouses.push(child);
                    child._isSpouse = true;
                }
            });

            // 寻找根节点并推断代数
            let roots = [];
            if (selectedRootIds && selectedRootIds.length > 0) {
                roots = selectedRootIds.map(id => memberMap[id]).filter(m => m);
            } else {
                roots = clonedMembers.filter(m => !m._hasParent && !m._isSpouse);
            }
            
            // 递归填充缺失的代数
            function fillGen(node, currentGen) {
                if (node.gen === null || isNaN(node.gen)) {
                    node.gen = currentGen;
                }
                node.children.forEach(c => fillGen(c, node.gen + 1));
            }
            
            // 如果根节点也没有代数，默认给个1
            roots.forEach(r => fillGen(r, r.gen || 1));

            // 按照世代对roots进行排序，优先显示最老的祖先
            roots.sort((a, b) => a.gen - b.gen);

            // 查找世系世代参考点：找到任意一个有 name_word_generation 的人
            let lineageRef = null;
            function findLineageRef(node) {
                if (lineageRef) return;
                if (node.name_word_generation) {
                    const parsed = parseLineageGenerations(node.name_word_generation);
                    if (parsed.length > 0 && !isNaN(parsed[0].num)) {
                        lineageRef = { gen: node.gen, lineage: parsed };
                    }
                }
                if (!lineageRef && node.children) {
                    node.children.forEach(c => findLineageRef(c));
                }
            }
            roots.forEach(r => findLineageRef(r));

            document.getElementById('loading').style.display = 'none';
            const container = document.getElementById('exportArea');
            
            if (roots.length === 0) {
                container.innerHTML = '<div class="text-muted">暂无家谱数据。</div>';
                return;
            }

            // 2. 分页切块逻辑
            const pageQueue = [];
            // 将第一批 roots 放入第一页
            if (roots.length > 0) {
                let minGen = Math.min(...roots.map(r => r.gen));
                pageQueue.push({
                    nodes: roots,
                    startGen: minGen,
                    leftTitle: '',
                    pageId: 1
                });
            }

            let pagesRendered = [];
            let nextPageId = 2;

            while(pageQueue.length > 0) {
                let currentJob = pageQueue.shift();
                
                // 克隆当前块的节点树，遇到超过 MAX_GEN_PER_PAGE 的裁剪并生成新任务
                let maxGenForThisPage = currentJob.startGen + CONFIG.MAX_GEN_PER_PAGE - 1;
                let blockNodes = cloneAndClip(currentJob.nodes, maxGenForThisPage, pageQueue);
                
                pagesRendered.push({
                    id: currentJob.pageId,
                    nodes: blockNodes,
                    startGen: currentJob.startGen,
                    endGen: maxGenForThisPage,
                    leftTitle: currentJob.leftTitle,
                    lineageRef: lineageRef
                });
            }

            totalPagesCount = pagesRendered.length;

            // 3. 渲染页面
            pagesRendered.forEach((page, index) => {
                const pageHtml = renderPageSVG(page, index + 1, totalPagesCount);
                container.insertAdjacentHTML('beforeend', pageHtml);
            });
            bindQuickSelectOnChartNames();
            syncCheckboxesFromSelectedSet();
            
            // Function to clip deep branches
            function cloneAndClip(nodes, maxGen, queue) {
                return nodes.map(n => {
                    let clone = { ...n };
                    // 当当前节点已达到本页最大代数，且还有子节点时，截断并送入下一页
                    if (clone.gen >= maxGen && clone.children && clone.children.length > 0) {
                        clone.hasNextPage = true;
                        clone.nextPageLink = nextPageId;
                        
                        queue.push({
                            nodes: clone.children,
                            startGen: clone.gen + 1,
                            leftTitle: `上接 ${clone.name}`,
                            pageId: nextPageId
                        });
                        nextPageId++;
                        clone.children = []; 
                    } else if (clone.children && clone.children.length > 0) {
                        clone.children = cloneAndClip(clone.children, maxGen, queue);
                    }
                    return clone;
                });
            }
        }

        // SVG 生成核心逻辑
        function renderPageSVG(page, pageNum, totalPages) {
            let currentX = 0;
            const nodesFlat = [];
            const lines = [];

            // 1. 布局计算 (核心算法: 父亲对齐长子，从右向左排版 RTL)
            function layout(node, depthY) {
                if (!node.children || node.children.length === 0) {
                    node.x = currentX;
                    node.y = depthY;
                    currentX -= CONFIG.X_STEP; // 向左递减，实现从右到左排版
                } else {
                    node.children.forEach(child => layout(child, depthY + 1));
                    node.x = node.children[0].x; // 父亲与长子对齐
                    node.y = depthY;
                }
                nodesFlat.push(node);
            }

            // 对 page.nodes 进行布局
            page.nodes.forEach(root => layout(root, 0));

            // 获取所需的实际尺寸
            const minX = currentX; // 因为向左排布，最小X是负数
            const maxDepth = Math.max(...nodesFlat.map(n => n.y), 0);
            
            // 坐标平移，把所有负数X转为正数，并在右侧留白
            const offsetX = Math.abs(minX) + CONFIG.MARGIN_LEFT + 50; 
            
            const svgWidth = offsetX + 100; // 总宽度
            const svgHeight = (maxDepth + 1) * CONFIG.Y_STEP + CONFIG.MARGIN_TOP + CONFIG.MARGIN_BOTTOM;

            // 2. 构建连线
            nodesFlat.forEach(node => {
                if (node.children && node.children.length > 0) {
                    const firstChild = node.children[0];
                    const lastChild = node.children[node.children.length - 1];

                    // 从父亲到底部横线
                    const pX = node.x + offsetX;
                    const pY = node.y * CONFIG.Y_STEP + CONFIG.MARGIN_TOP + CONFIG.NODE_HEIGHT;
                    const midY = pY + CONFIG.LINE_MID_OFFSET;

                    lines.push(`<line class="line" x1="${pX}" y1="${pY}" x2="${pX}" y2="${midY}" />`);

                    // 绘制子节点水平连线
                    const firstX = firstChild.x + offsetX;
                    const lastX = lastChild.x + offsetX;
                    if (firstX !== lastX) {
                        lines.push(`<line class="line" x1="${firstX}" y1="${midY}" x2="${lastX}" y2="${midY}" />`);
                    }

                    // 绘制连接到每个子节点的垂线
                    node.children.forEach((child, i) => {
                        const cX = child.x + offsetX;
                        const cY = child.y * CONFIG.Y_STEP + CONFIG.MARGIN_TOP;
                        lines.push(`<line class="line" x1="${cX}" y1="${midY}" x2="${cX}" y2="${cY}" />`);
                        
                        // 右侧标记“长子”、“次子” (因为从右到左，字应该写在左边或者右边)
                        // 传统家谱写在线右侧
                        const relLabels = ['长子', '次子', '三子', '四子', '五子', '六子', '七子', '八子'];
                        let relLabel = relLabels[i] || '子';
                        if(child.sex === 2) relLabel = '女';
                        
                        // 竖排显示长子、次子
                        lines.push(`<text class="rel-text" x="${cX + 8}" y="${midY + 15}">${relLabel[0]}</text>`);
                        if(relLabel[1]) {
                            lines.push(`<text class="rel-text" x="${cX + 8}" y="${midY + 28}">${relLabel[1]}</text>`);
                        }
                    });
                }
            });

            // 3. 构建节点文字
            const nodesHtml = nodesFlat.map(node => {
                const nx = node.x + offsetX;
                const ny = node.y * CONFIG.Y_STEP + CONFIG.MARGIN_TOP;
                const isSelectedRoot = selectedRootIdsSet.has(node.id);
                
                let html = '';
                
                // 姓名竖排处理 (简单切分文字为数组)
                let nameArr = Array.from(node.name || '未知');
                nameArr.forEach((char, i) => {
                    const cls = `node-text${isSelectedRoot ? ' selected-root-text' : ''}`;
                    html += `<text class="${cls}" data-member-id="${node.id}" x="${nx}" y="${ny + 16 + i * 18}" text-anchor="middle">${char}</text>`;
                });

                // 人名上方勾选框（用于快速选择起始人员）
                if (showChartSelectors && node.id !== undefined && node.id !== null) {
                    const checkedCls = isSelectedRoot ? 'checked' : '';
                    html += `
                        <g class="node-selector" data-member-id="${node.id}" transform="translate(${nx - 6}, ${ny - 14})">
                            <rect class="node-selector-box ${checkedCls}" width="12" height="12"></rect>
                            ${isSelectedRoot ? '<text class="node-selector-mark" x="6" y="9" text-anchor="middle">✓</text>' : ''}
                        </g>
                    `;
                }

                // 配偶信息(放在名字左侧)
                if (node.spouses && node.spouses.length > 0) {
                    const spNames = node.spouses.map(s => s.name).join('、');
                    let spStr = '配' + spNames;
                    Array.from(spStr).forEach((char, i) => {
                        // 左侧（X减小）
                        html += `<text class="node-spouse" x="${nx - 18}" y="${ny + 12 + i * 14}" text-anchor="middle">${char}</text>`;
                    });
                }

                // 标记下一页
                if (node.hasNextPage) {
                    html += `<text class="node-mark" x="${nx}" y="${ny + CONFIG.NODE_HEIGHT + 25}" text-anchor="middle">下接</text>`;
                    html += `<text class="node-mark" x="${nx}" y="${ny + CONFIG.NODE_HEIGHT + 40}" text-anchor="middle">第</text>`;
                    html += `<text class="node-mark" x="${nx}" y="${ny + CONFIG.NODE_HEIGHT + 55}" text-anchor="middle">${node.nextPageLink}</text>`;
                    html += `<text class="node-mark" x="${nx}" y="${ny + CONFIG.NODE_HEIGHT + 70}" text-anchor="middle">页</text>`;
                }

                return html;
            }).join('');

            // 4. 构建左侧世系世代标记
            let genLabels = '';
            const hasLineageRef = !!page.lineageRef;
            const lineageColCount = hasLineageRef ? page.lineageRef.lineage.length : 0;
            
            for(let i=0; i<=maxDepth; i++) {
                const actualGen = page.startGen + i;
                const y = i * CONFIG.Y_STEP + CONFIG.MARGIN_TOP + 15;
                
                if (hasLineageRef) {
                    const lineageItems = computeLineageForGen(page.lineageRef.lineage, page.lineageRef.gen, actualGen);
                    lineageItems.forEach((item, colIdx) => {
                        const x = 20 + colIdx * 22;
                        const chars = Array.from(item.formatted);
                        chars.forEach((ch, ci) => {
                            genLabels += `<text class="gen-text" x="${x}" y="${y + ci * 15}" text-anchor="middle" style="font-size:13px;">${ch}</text>`;
                        });
                    });
                } else {
                    genLabels += `<text class="gen-text" x="30" y="${y}" text-anchor="middle">${actualGen}</text>`;
                    genLabels += `<text class="gen-text" x="30" y="${y + 18}" text-anchor="middle">世</text>`;
                }
                
                genLabels += `<line x1="10" y1="${y-20}" x2="${svgWidth}" y2="${y-20}" stroke="#eee" stroke-dasharray="4" />`;
            }

            return `
            <div class="page-block">
                <div class="page-header">
                    <div class="page-left-title">${page.leftTitle}</div>
                    <div class="page-title">传统家谱吊线图</div>
                    <div class="page-subtitle">共 ${totalPages} 页 第 ${pageNum} 页</div>
                </div>
                <svg class="tree-svg" width="${svgWidth}" height="${svgHeight}">
                    <!-- 背景和网格 -->
                    <rect width="100%" height="100%" fill="white" />
                    ${genLabels}
                    <!-- 连线 -->
                    ${lines.join('\n')}
                    <!-- 节点 -->
                    ${nodesHtml}
                </svg>
            </div>`;
        }

        function applySelectionStateToChart(memberId) {
            const selected = selectedRootIdsSet.has(memberId);

            document.querySelectorAll(`.node-text[data-member-id="${memberId}"]`).forEach(t => {
                t.classList.toggle('selected-root-text', selected);
            });

            document.querySelectorAll(`.node-selector[data-member-id="${memberId}"]`).forEach(g => {
                const rect = g.querySelector('.node-selector-box');
                if (rect) rect.classList.toggle('checked', selected);

                const mark = g.querySelector('.node-selector-mark');
                if (selected && !mark) {
                    const textEl = document.createElementNS('http://www.w3.org/2000/svg', 'text');
                    textEl.setAttribute('class', 'node-selector-mark');
                    textEl.setAttribute('x', '6');
                    textEl.setAttribute('y', '9');
                    textEl.setAttribute('text-anchor', 'middle');
                    textEl.textContent = '✓';
                    g.appendChild(textEl);
                } else if (!selected && mark) {
                    mark.remove();
                }
            });
        }

        function toggleSelection(memberId) {
            if (Number.isNaN(memberId)) return;
            if (selectedRootIdsSet.has(memberId)) selectedRootIdsSet.delete(memberId);
            else selectedRootIdsSet.add(memberId);
            applySelectionStateToChart(memberId);
            syncCheckboxesFromSelectedSet();
            renderSelectedMembersPanel();
        }

        function bindQuickSelectOnChartNames() {
            if (!showChartSelectors) return;
            // 勾选框点击：仅切换勾选状态，不重绘、不跳页
            const selectors = document.querySelectorAll('.node-selector[data-member-id]');
            selectors.forEach(el => {
                el.addEventListener('click', function(event) {
                    event.stopPropagation();
                    const id = parseInt(this.dataset.memberId);
                    toggleSelection(id);
                });
            });

            // 人名点击：同样仅切换勾选状态
            const names = document.querySelectorAll('.node-text[data-member-id]');
            names.forEach(el => {
                el.addEventListener('click', function(event) {
                    event.stopPropagation();
                    const id = parseInt(this.dataset.memberId);
                    toggleSelection(id);
                });
            });
        }
    </script>
</body>
</html>