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@ -121,18 +121,10 @@
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}
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// 初始化数据
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$.ajax({
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url: "/api/tree-data",
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type: "GET",
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success: function (res) {
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if (res.code === 0) {
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treeData = res.data;
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updateTable();
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}
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}
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});
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// Move this declaration outside the AJAX call
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var allNodes = [];
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// Add flattenTree function definition before the AJAX call
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function flattenTree(nodes) {
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var result = [];
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nodes.forEach(node => {
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@ -143,17 +135,107 @@
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});
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return result;
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}
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$.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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allNodes = flattenTree(treeData);
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updateTable();
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}
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}
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});
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// 修改prerequisiteUpdate和relatedUpdate函数
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function prerequisiteUpdate(nodeId) {
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const node = findNodeById(treeData, nodeId);
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if (node) {
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alert(`先修知识 Node ID: ${node.id}\nNode Title: ${node.title}`);
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} else {
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if (!node) {
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console.error('Node not found:', nodeId);
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return;
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}
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// 创建模态框容器
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const modal = document.createElement('div');
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modal.style.position = 'fixed';
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modal.style.top = '50%';
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modal.style.left = '50%';
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modal.style.transform = 'translate(-50%, -50%)';
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modal.style.width = '500px';
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modal.style.padding = '20px';
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modal.style.backgroundColor = 'white';
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modal.style.border = '1px solid #ccc';
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modal.style.borderRadius = '5px';
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modal.style.boxShadow = '0 0 10px rgba(0,0,0,0.2)';
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modal.style.zIndex = '1000';
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// 创建标题和关闭按钮
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const header = document.createElement('div');
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header.style.display = 'flex';
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header.style.justifyContent = 'space-between';
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header.style.alignItems = 'center';
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header.style.marginBottom = '15px';
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const title = document.createElement('h3');
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title.textContent = '选择先修知识';
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title.style.margin = '0';
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const closeBtn = document.createElement('button');
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closeBtn.innerHTML = '×';
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closeBtn.style.background = 'none';
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closeBtn.style.border = 'none';
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closeBtn.style.fontSize = '20px';
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closeBtn.style.cursor = 'pointer';
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closeBtn.onclick = function() {
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document.body.removeChild(modal);
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};
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header.appendChild(title);
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header.appendChild(closeBtn);
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// 创建多选下拉框
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const select = document.createElement('select');
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select.multiple = true;
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select.style.width = '100%';
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select.style.height = '200px';
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select.style.margin = '10px 0';
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select.style.padding = '5px';
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// 添加选项
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allNodes.forEach(n => {
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if (n.id !== nodeId) {
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const option = document.createElement('option');
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option.value = n.id;
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option.text = n.title;
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select.appendChild(option);
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}
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});
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// 创建确定按钮
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const button = document.createElement('button');
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button.textContent = '确定';
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button.style.padding = '8px 16px';
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button.style.backgroundColor = '#4CAF50';
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button.style.color = 'white';
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button.style.border = 'none';
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button.style.borderRadius = '4px';
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button.style.cursor = 'pointer';
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button.onclick = function() {
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document.body.removeChild(modal);
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};
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// 添加到模态框
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modal.appendChild(header);
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modal.appendChild(select);
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modal.appendChild(button);
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// 添加到页面
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document.body.appendChild(modal);
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}
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function relatedUpdate(nodeId) {
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// 同样修改relatedUpdate函数
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const node = findNodeById(treeData, nodeId);
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if (node) {
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alert(`相关知识 Node ID: ${node.id}\nNode Title: ${node.title}`);
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