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131 lines
3.3 KiB
131 lines
3.3 KiB
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>知识点树形展示</title>
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<style>
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body {
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margin: 0;
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padding: 0;
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font-family: Microsoft YaHei;
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}
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#treeTable {
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width: 100%;
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border-collapse: collapse;
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}
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#treeTable th, #treeTable td {
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padding: 8px;
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border: 1px solid #ddd;
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}
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#treeTable th {
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background: #f5f5f5;
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}
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.level-0 td:first-child {
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padding-left: 10px;
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}
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.level-1 td:first-child {
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padding-left: 30px;
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}
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.level-2 td:first-child {
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padding-left: 50px;
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}
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.level-3 td:first-child {
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padding-left: 70px;
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}
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.toggle-icon {
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cursor: pointer;
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margin-right: 5px;
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}
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</style>
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</head>
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<body>
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<table id="treeTable">
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<thead>
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<tr>
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<th>知识点</th>
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<th>先修知识</th>
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<th>相关知识</th>
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</tr>
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</thead>
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<tbody id="treeBody"></tbody>
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</table>
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<script src="/static/zTree/js/jquery-1.4.4.min.js"></script>
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<script>
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var treeData = [];
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function toggleNode(nodeId) {
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console.log('toggleNode', nodeId);
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var node = findNodeById(treeData, nodeId);
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if (node) {
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node.open = !node.open;
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// 强制重新渲染整个表格
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updateTable();
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}
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}
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function findNodeById(nodes, id) {
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for (var i = 0; i < nodes.length; i++) {
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if (nodes[i].id == id) return nodes[i];
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if (nodes[i].children) {
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var found = findNodeById(nodes[i].children, id);
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if (found) return found;
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}
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}
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return null;
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}
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function updateTable() {
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var html = '';
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function buildRows(nodes, level) {
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level = level || 0;
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for (var i = 0; i < nodes.length; i++) {
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var node = nodes[i];
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html += '<tr class="level-' + level + '">';
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html += '<td style="padding-left:' + (level * 20) + 'px">';
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if (node.children && node.children.length > 0) {
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html += '<span class="toggle-icon" onclick="toggleNode(\'' + node.id + '\')">' +
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(node.open ? '▼' : '▶') + '</span>';
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} else {
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html += '<span style="display:inline-block; width:16px;"></span>';
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}
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html += node.title + '</td>';
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html += '<td>' + (node.prerequisite || '') + '</td>';
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html += '<td>' + (node.related || '') + '</td>';
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html += '</tr>';
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if (node.open && node.children && node.children.length > 0) {
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buildRows(node.children, level + 1);
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}
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}
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}
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buildRows(treeData);
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$("#treeBody").html(html);
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}
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// 初始化数据
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$.ajax({
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url: "/api/tree-data",
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type: "GET",
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success: function (res) {
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if (res.code === 0) {
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treeData = res.data;
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updateTable();
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}
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}
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});
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</script>
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</body>
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</html> |