教师教材编辑页面
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CakeCN
204
Html/apps/static/js/lesson.js
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204
Html/apps/static/js/lesson.js
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window.addEventListener('load', ()=>{
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console.log(window.material);
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console.log(window.lesson);
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editLesson(window.material.material_id, window.lesson.chapter_name, window.lesson.lesson_name);
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});
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function parseHeadings(mdText) {
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const lines = mdText.split('\n');
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const tokens = [];
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for (let i=0;i<lines.length;i++) {
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const m = lines[i].match(/^(#{1,3})\s+(.*)$/);
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if (m) tokens.push({ level: m[1].length, text: m[2].trim(), line: i });
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}
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// 确定每个heading的区间（到下一个同级或上级前一行）
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for (let i=0;i<tokens.length;i++) {
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let j = i+1;
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while (j<tokens.length && tokens[j].level > tokens[i].level) j++;
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// 找到第一个 >= 当前level 的 heading 或到文末
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let k = i+1;
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while (k<tokens.length && tokens[k].level > tokens[i].level) k++;
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const nextSameOrHigher = k<tokens.length ? tokens[k].line : lines.length;
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tokens[i].start = tokens[i].line;
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tokens[i].end = nextSameOrHigher - 1;
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}
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return { lines, tokens };
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}
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// 从解析结果中抽取一个 heading 段落文本
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function sliceSection(parsed, headingText, level) {
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const t = parsed.tokens.find(x => x.level===level && x.text===headingText);
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if (!t) return '';
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return parsed.lines.slice(t.start, t.end+1).join('\n');
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}
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// 根据三个 md，构造统一大纲树（一级唯一“主题”，其下多个阶段##，其下多个步骤###）
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function buildUnifiedOutline(parsedLesson, parsedPrompt, parsedScore) {
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// 取 lesson 的结构为主（也可做三者交集/并集策略，这里简单以 lesson 为基准）
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const root1 = parsedLesson.tokens.find(t => t.level===1);
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const phases = parsedLesson.tokens.filter(t => t.level===2);
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const stepsByPhase = {};
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phases.forEach(ph => {
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stepsByPhase[ph.text] = parsedLesson.tokens.filter(t => t.level===3 && t.start>ph.start && t.end<=ph.end)
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.map(s => s.text);
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});
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return { theme: root1 ? root1.text : '主题', phases, stepsByPhase };
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}
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let CURRENT = {
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material_id: null, chapter_name: null, lesson_name: null,
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links: { lesson:'', prompt:'', score:'' },
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raw: { lesson:'', prompt:'', score:'' },
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parsed:{ lesson:null, prompt:null, score:null },
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outline:null
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};
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// 入口：从你的列表调用
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async function editLesson(material_id, chapter_name, lesson_name) {
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CURRENT.material_id = material_id;
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CURRENT.chapter_name = chapter_name;
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CURRENT.lesson_name = lesson_name;
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// 打开右侧课程详情先占位
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const details = document.getElementById('courseDetails');
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const detailsContent = document.getElementById('details-content');
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detailsContent.innerHTML = '<p>...</p>';
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details.classList.add('open');
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// 拉课时详情
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metaRes = window.lesson;
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const meta = metaRes;
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document.getElementById('course-title').textContent = meta.name || meta.material_name || lesson_name;
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// 右侧面板描述/目录（简化）
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detailsContent.innerHTML = `<h4>描述</h4><p>${meta.description || meta.material_description || '暂无描述'}</p>`;
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const chapterList = document.getElementById('chapter-list');
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chapterList.innerHTML = '';
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(meta.chapters||[]).forEach(ch=>{
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const li = document.createElement('li');
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li.textContent = ch.chapter_name;
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chapterList.appendChild(li);
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});
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// 保存三份链接
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CURRENT.links.lesson = meta.markdown_lesson_file_link;
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CURRENT.links.prompt = meta.markdown_prompt_file_name;
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CURRENT.links.score = meta.markdown_score_prompt_file_link;
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console.log(CURRENT.links);
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// 拉三份 Markdown
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const [t1, t2, t3] = await Promise.all([ fetch(CURRENT.links.lesson).then(r=>r.text()), fetch(CURRENT.links.prompt).then(r=>r.text()), fetch(CURRENT.links.score ).then(r=>r.text()) ]);
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CURRENT.raw.lesson = t1; CURRENT.raw.prompt = t2; CURRENT.raw.score = t3;
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CURRENT.parsed.lesson = parseHeadings(t1);
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CURRENT.parsed.prompt = parseHeadings(t2);
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CURRENT.parsed.score = parseHeadings(t3);
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// 构建大纲并渲染
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CURRENT.outline = buildUnifiedOutline(CURRENT.parsed.lesson, CURRENT.parsed.prompt, CURRENT.parsed.score);
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renderOutline(CURRENT.outline);
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// 默认选中第一个“步骤”（若无步骤则整个文档）
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const firstPhase = CURRENT.outline.phases?.[0]?.text;
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const firstStep = firstPhase && CURRENT.outline.stepsByPhase[firstPhase]?.[0];
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if (firstPhase && firstStep) {
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loadStepToEditors(firstPhase, firstStep);
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highlightActive(firstPhase, firstStep);
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} else {
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// 无###时，直接把全文放到 Lesson 标签
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document.getElementById('editor-lesson').value = CURRENT.raw.lesson;
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document.getElementById('editor-prompt').value = CURRENT.raw.prompt;
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document.getElementById('editor-score').value = CURRENT.raw.score;
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}
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}
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// 渲染左侧大纲
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function renderOutline(outline) {
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const tree = document.getElementById('outline-tree');
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tree.innerHTML = '';
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if (outline.theme) {
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const li = document.createElement('li'); li.className='lvl1'; li.textContent = `# ${outline.theme}`; tree.appendChild(li);
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}
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outline.phases.forEach(ph=>{
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const li2 = document.createElement('li'); li2.className='lvl2'; li2.textContent = `## ${ph.text}`;
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tree.appendChild(li2);
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const steps = outline.stepsByPhase[ph.text] || [];
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steps.forEach(st=>{
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const li3 = document.createElement('li');
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li3.className='lvl3';
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li3.textContent = `### ${st}`;
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li3.dataset.phase = ph.text;
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li3.dataset.step = st;
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li3.onclick = () => {
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loadStepToEditors(ph.text, st);
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highlightActive(ph.text, st);
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};
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tree.appendChild(li3);
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});
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});
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}
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function highlightActive(phase, step) {
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document.querySelectorAll('#outline-tree li').forEach(li=>li.classList.remove('active'));
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const target = Array.from(document.querySelectorAll('#outline-tree li.lvl3'))
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.find(li => li.dataset.phase===phase && li.dataset.step===step);
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if (target) target.classList.add('active');
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}
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// 把“某个步骤”对应的三个片段载入到三个编辑器
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function loadStepToEditors(phaseText, stepText) {
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// 三份文档里都取对应 phase/step 的片段（不存在则回退）
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const L = CURRENT.parsed.lesson, P = CURRENT.parsed.prompt, S = CURRENT.parsed.score;
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const lessonPhase = sliceSection(L, phaseText, 2) || CURRENT.raw.lesson;
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const promptPhase = sliceSection(P, phaseText, 2) || CURRENT.raw.prompt;
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const scorePhase = sliceSection(S, phaseText, 2) || CURRENT.raw.score;
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// 在各 phase 片段里再找 ### step
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const subL = parseHeadings(lessonPhase);
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const subP = parseHeadings(promptPhase);
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const subS = parseHeadings(scorePhase);
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const lText = sliceSection(subL, stepText, 3) || lessonPhase;
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const pText = sliceSection(subP, stepText, 3) || promptPhase;
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const sText = sliceSection(subS, stepText, 3) || scorePhase;
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document.getElementById('editor-lesson').value = lText;
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document.getElementById('editor-prompt').value = pText;
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document.getElementById('editor-score').value = sText;
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}
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// Tab 切换
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document.addEventListener('click', (e)=>{
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if (e.target.classList.contains('tab-btn')) {
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document.querySelectorAll('.tab-btn').forEach(b=>b.classList.remove('active'));
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e.target.classList.add('active');
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const id = e.target.dataset.target;
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document.querySelectorAll('.tab').forEach(t=>t.classList.remove('active'));
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document.getElementById(id).classList.add('active');
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}
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});
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// 保存全部（把当前三个编辑器的文本整体 PUT 回各自文件）
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document.getElementById('save-all-btn')?.addEventListener('click', async ()=>{
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const l = document.getElementById('editor-lesson').value;
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const p = document.getElementById('editor-prompt').value;
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const s = document.getElementById('editor-score').value;
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try {
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const [r1, r2, r3] = await Promise.all([
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fetch(CURRENT.links.lesson, {method:'PUT', body:l}),
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fetch(CURRENT.links.prompt, {method:'PUT', body:p}),
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fetch(CURRENT.links.score , {method:'PUT', body:s}),
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]);
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if (r1.ok && r2.ok && r3.ok) alert('已保存');
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else alert('保存失败，请重试');
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} catch (err) {
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console.error(err); alert('保存出错');
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}
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});
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// 右侧详情开/关
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function closeCourseDetails(){ document.getElementById('courseDetails').classList.remove('open'); }
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function showInputForNewChapter(){ /* 省略：你的新增逻辑 */ }
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@@ -1,16 +1,18 @@
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let material_id = null;
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function lessonTemplate(lesson_name) {
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function lessonTemplate(material_id,chapter_name,lesson_name) {
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return `
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<li class="lesson-item">
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<span class="lesson-text" onclick="editLesson('${lesson_name}')">${lesson_name}
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<button class="icon-btn edit-btn" onclick="editLesson('${lesson_name}')">
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<li class="lesson-item" data-material-id="${material_id}" data-chapter-name="${chapter_name}" data-lesson-name="${lesson_name}">
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<span class="lesson-text" onclick="editLesson('${material_id}','${chapter_name}','${lesson_name}')">${lesson_name}
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<button class="icon-btn edit-btn" onclick="editLesson('${material_id}','${chapter_name}','${lesson_name}')">
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<i class="fas fa-pencil-alt"></i>
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</button>
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</span>
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<button class="icon-btn delete-btn" onclick="deleteLesson('${lesson_name}')">
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<div class="delete-btn-container" onclick="deleteLesson('${material_id}','${chapter_name}','${lesson_name}')">
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<button class="icon-btn delete-btn">
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<i class="fas fa-trash-alt"></i>
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</button>
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</div>
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</li>
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`;
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}
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@@ -140,7 +142,7 @@ function renderChapters(courseId) {
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const lessonList = document.createElement('ul');
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chapter.lessons.forEach(lesson => {
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const lessonItem = document.createElement('li');
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lessonItem.innerHTML = lessonTemplate(lesson.lesson_name);
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lessonItem.innerHTML = lessonTemplate(material_id,chapter.chapter_name,lesson.lesson_name);
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lessonList.appendChild(lessonItem);
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});
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chapterItem.appendChild(lessonList);
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@@ -195,7 +197,7 @@ function checkAndAddLesson(input, chapterTitle, addButton) {
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const lessonsList = chapterItem.querySelector('ul');
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const lessonItem = document.createElement('span');
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lessonItem.innerHTML = lessonTemplate(lessonName);
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lessonItem.innerHTML = lessonTemplate(material_id, chapterTitle, lessonName);
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lessonsList.appendChild(lessonItem); // 将新课时添加到章节下
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input.remove(); // 删除输入框
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@@ -208,19 +210,37 @@ function checkAndAddLesson(input, chapterTitle, addButton) {
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body: JSON.stringify({chapter_name: chapterTitle, lesson_name: lessonName})
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})
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}
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function deleteLesson(lesson) {
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function deleteLesson(material_id,chapter_name,lesson_name) {
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const lessonItems = document.querySelectorAll('.lesson-item');
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lessonItems.forEach(item => {
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if (item.querySelector('.lesson-text').textContent === lesson) {
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item.remove(); // 删除对应的课时项
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if (item.dataset.lessonName === lesson_name && item.dataset.chapterName === chapter_name && item.dataset.materialId === material_id) {
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fetch(`/materials/deletelesson/${material_id}`, {
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method: 'DELETE',
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headers: {
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({chapter_name: chapter_name, lesson_name: lesson_name})
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})
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.then(response => response.json())
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.then(data => {
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alert(data.message);
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item.remove(); // 删除对应的课时项
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renderChapters(material_id);
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return;
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})
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.catch(error => {
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console.error('Error deleting lesson:', error);
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});
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}
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});
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}
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function editLesson(lesson) {
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function editLesson(material_id,chapter_name,lesson_name) {
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// 编辑课时的逻辑
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alert("编辑课时: " + lesson);
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alert("编辑课时: " + lesson_name);
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window.location.href = `/api/materials/${material_id}/chapters/${chapter_name}/lessons/${lesson_name}`;
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}
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function closeCourseDetails() {
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