Add learn site entry

.github/workflows/website.yml

@@ -28,12 +28,24 @@ jobs:
   website:
     runs-on: ubuntu-24.04
     timeout-minutes: 25
+    env:
+      # 学习站的代码在私有仓库，用只读的部署密钥检出；别人提的 PR 拿不到密钥，只构建笔记部分
+      HAS_LEARN: ${{ secrets.LEARN_DEPLOY_KEY != '' }}
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
         with:
           fetch-depth: 1
           ref: ${{ github.event_name == 'pull_request' && github.ref || 'master' }}
           persist-credentials: false
+      - name: 检出学习站
+        if: env.HAS_LEARN == 'true'
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+        with:
+          repository: CyC2018/CS-Notes-learn
+          path: learn
+          fetch-depth: 1
+          ssh-key: ${{ secrets.LEARN_DEPLOY_KEY }}
+          persist-credentials: false
       - uses: actions/setup-python@6d4fd22b20465ccc0f7354476588e8df7c9ca0e0 # v7.1.0
         with:
           python-version: '3.12'
@@ -60,11 +72,24 @@ jobs:
           python website/deploy/test_package_site.py
           node website/builder/test_search.cjs
           npm test --prefix website/deploy
+      - name: 检查学习站
+        if: hashFiles('learn/build.py') != ''
+        run: |
+          node learn/tests/core.test.cjs website/dist/learn/data.json
+          python learn/tests/test_content.py
+      - name: 检查学习站的内容对照
+        # 只提醒不阻塞：路线改了但没有运行 learn/maintain.py --write 时，读者的记录仍然保留，只是更新记录没有日期
+        if: hashFiles('learn/build.py') != ''
+        continue-on-error: true
+        run: python learn/maintain.py
       - name: 发布网页和图片并校验正式域名
         if: github.repository == 'CyC2018/CS-Notes' && github.ref == 'refs/heads/master' && github.event_name != 'pull_request'
         env:
           EDGEONE_API_TOKEN: ${{ secrets.EDGEONE_API_TOKEN }}
-        run: node website/deploy/deploy.mjs
+        run: |
+          # 发布会覆盖整站：没有带上学习站时停止，避免 /learn/ 被撤下
+          test -f website/dist/learn/index.html || { echo '::error::没有检出学习站（检查 LEARN_DEPLOY_KEY），停止发布'; exit 1; }
+          node website/deploy/deploy.mjs
       - name: 保留小型版本报告
         if: always()
         uses: actions/upload-artifact@cf430e030ddbb5b0abf93d22962f4752f3646cd9 # v7.0.2

website/README.md

@@ -43,6 +43,8 @@ verify_updates.py 在临时副本中修改文章、替换配图、新增文章
 
 页面模板保留手机分类导航、折叠目录、搜索和旧文章入口兼容；固定版本的浏览器依赖及许可证保存在 templates/vendor 中。
 
+学习站（定级、每日计划、间隔复习）的代码不在本仓库，网站工作流从私有仓库检出到 learn/；learn/ 存在时，build.py 调用 learn/build.py 生成到 dist/learn/，随网站一起发布，并在首页、侧边栏和三条学习路线的文章开头加入口；不存在时只构建笔记，没有入口。
+
 ## 自动更新与发布
 
 `.github/workflows/website.yml` 在 master 提交后、北京时间每天 09:17 和 21:17，以及手动 Run workflow 时运行。PR 仅验证合并后的源码，不读取部署凭据。CI 使用 `refresh.py --from-checkout` 从已检出的 Git 提交生成，源码中未提交的本机文件不会进入产物。

website/builder/build.py

@@ -6,9 +6,12 @@
 import hashlib
 import html
 import json
+import os
 import posixpath
 import re
 import shutil
+import subprocess
+import sys
 import tempfile
 import unicodedata
 import urllib.parse
@@ -28,6 +31,9 @@
 IMAGE_BY_NAME = {}
 ANCHORS = {}
 SOURCE_IMAGE_HOST = 'cs-notes-1256109796.cos.ap-guangzhou.myqcloud.com'
+# 学习站与笔记网站一起构建，放在 /learn/ 下；题目链接指向同一域名下的笔记
+LEARN_BUILD = BASE.parent / 'learn' / 'build.py'
+SITE_URL = 'https://cyc2018.xyz/'
 IMAGE = re.compile(r'(<img\b[^>]*?\bsrc=["\'])([^"\']+)(["\'])', re.I)
 MD_IMAGE = re.compile(r'(!\[[^\]]*\]\()((?:[^()\s]|\([^()\n]*\))*)(\))')
 MD_LINK = re.compile(r'(?<!!)\[((?:[^\[\]\n]|\[[^\[\]\n]*\])+)\]\(([^\s)]+)\)')
@@ -205,9 +211,14 @@ def build(optimize=True):
             for label, symbol in topics) + '</nav>'
         homepage = re.sub(r'^\| (?:学习路线|算法)[^\n]*\n\|[^\n]*\n\|[^\n]*', cards, homepage, count=1, flags=re.M)
         homepage = homepage.replace('width="200px"', 'class="site-logo" width="200px"', 1)
+        if LEARN_BUILD.is_file():
+            banner = ('<a class="learn-banner" href="/learn/"><span class="learn-banner-text"><b>按计划学习</b>'
+                      '<span>先用面试真题自评定级，跳过已经掌握的内容，按天学、按间隔复习，记到面试那天</span></span>'
+                      '<span class="learn-banner-go">开始</span></a>')
+            homepage = homepage.replace(cards, banner + cards, 1)
         (dist / 'README.md').write_text('# CS-Notes\n\n' + homepage)
         note_paths = ['/' + str(p.relative_to(ROOT).with_suffix('')) for p in sorted((ROOT / 'notes').glob('*.md'))]
-        sidebar = ['- [首页](/)', '']
+        sidebar = ['- [首页](/)', *(["- [学习站：定级与每日计划](/learn/ ':ignore')"] if LEARN_BUILD.is_file() else []), '']
         for line in homepage.splitlines():
             if line.startswith('## '):
                 label = re.sub(r':[a-z0-9_]+:', '', line[3:]).strip()
@@ -220,6 +231,20 @@ def build(optimize=True):
         (dist / '_404.md').write_text('# 页面暂未找到\n\n请从目录或搜索查找笔记。\n\n[返回首页](/)\n')
         (dist / '.nojekyll').touch()
         shutil.copyfile(ROOT / 'docs/_media/LogoMakr_1J56bI.png', dist / 'favicon.png')
+        learn_report = None
+        if LEARN_BUILD.is_file():
+            # 学习站的问题（链接到的小节改名、题目和要点对不上）只给警告，不挡住笔记的发布；警告写进构建报告
+            result = subprocess.run([sys.executable, str(LEARN_BUILD), '--source', str(ROOT), '--output', str(dist / 'learn'),
+                                     '--notes-base', '/#/notes/', '--site-url', SITE_URL + 'learn/', '--lenient'],
+                                    check=True, capture_output=True, text=True)
+            learn_report = json.loads(result.stdout.strip().splitlines()[-1])
+            # 在 GitHub Actions 中输出为警告注释，显示在运行结果的摘要里
+            prefix = '::warning::' if os.environ.get('GITHUB_ACTIONS') else ''
+            for warning in learn_report['warnings']:
+                print(prefix + '学习站：' + warning, file=sys.stderr)
+            if learn_report['pending']:
+                print(prefix + '学习站：内容与 learn/content.lock.json 不一致，请在本机运行 python3 learn/maintain.py 查看并写入：'
+                      + json.dumps(learn_report['pending'], ensure_ascii=False), file=sys.stderr)
         copy_referenced_assets(dist, ROOT)
         image_report = optimize_images(dist, CACHE) if optimize else {'converted': 0}
         index_name, search_report = write_search_index(dist, sorted((dist / 'notes').glob('*.md')))
@@ -231,9 +256,10 @@ def build(optimize=True):
             'window.CS_NOTES_SEARCH_INDEX = "/' + index_name + '";\n'
             'window.CS_NOTES_ANIMATIONS = ' + json.dumps(animations, ensure_ascii=False, separators=(',', ':')) + ';\n')
         generator = hashlib.sha256()
-        for resource in sorted([*Path(__file__).parent.glob('*.py'), *SITE.rglob('*')]):
+        learn = [*LEARN_BUILD.parent.glob('*.py'), *(LEARN_BUILD.parent / 'src').rglob('*')] if LEARN_BUILD.is_file() else []
+        for resource in sorted([*Path(__file__).parent.glob('*.py'), *SITE.rglob('*'), *learn]):
             if resource.is_file():
-                generator.update(resource.relative_to(BASE).as_posix().encode())
+                generator.update(resource.relative_to(BASE.parent).as_posix().encode())
                 generator.update(resource.read_bytes())
         build_info = {'sourceCommit': SOURCE_COMMIT, 'generatorHash': generator.hexdigest(), 'notes': len(note_paths),
                       'searchIndex': index_name, 'legacyRoutes': len(legacy)}
@@ -247,7 +273,7 @@ def build(optimize=True):
         files = [p for p in dist.rglob('*') if p.is_file()]
         report = {'notes': len(note_paths), 'files': len(files), 'bytes': sum(p.stat().st_size for p in files),
                   'oversized': [str(p.relative_to(dist)) for p in files if p.stat().st_size > 25*1024*1024],
-                  'repositoryImagesUsedForOldUrls': len(reused), 'externalImages': len(unchanged_external), 'search': search_report, 'images': image_report, 'legacyRoutes': len(legacy)}
+                  'learn': learn_report, 'repositoryImagesUsedForOldUrls': len(reused), 'externalImages': len(unchanged_external), 'search': search_report, 'images': image_report, 'legacyRoutes': len(legacy)}
         if report['oversized'] or len(files) > 20000:
             raise ValueError('Static hosting quota exceeded')
         validation = check(ROOT, dist)

website/builder/check.py

@@ -32,7 +32,7 @@ def check(source, output):
             if not name:
                 continue
             references += 1
-            if name not in files and name + '.md' not in files:
+            if name not in files and name + '.md' not in files and name.rstrip('/') + '/index.html' not in files:
                 errors.append('缺失引用：' + name)
     for name in re.findall(r'(?:src|href)="(/[^"#]+)"', (output / 'index.html').read_text()):
         if name.split('?')[0].lstrip('/') not in files:

website/builder/site_assets.py

@@ -141,7 +141,8 @@ def copy_referenced_assets(dist, root):
         references.update(referenced_paths(doc.read_text()))
     for relative in sorted(references):
         destination = dist / relative
-        if destination.is_file() or Path(str(destination) + '.md').is_file() or destination.suffix == '.md':
+        # 目录链接（例如 /learn/）由目录下的 index.html 提供
+        if destination.is_file() or (destination / 'index.html').is_file() or Path(str(destination) + '.md').is_file() or destination.suffix == '.md':
             continue
         source = root / relative
         if not source.resolve().is_relative_to(root.resolve()) or not source.is_file():

website/deploy/deploy.mjs

@@ -38,6 +38,13 @@ function verificationPaths(manifest) {
   for (const path of paths) {
     if (!records.has(path)) throw new Error(`构建缺少关键文件：${path}`);
   }
+  // 学习站（/learn/）：入口、数据和离线缓存脚本都要是这次构建的版本
+  if (records.has('learn/index.html')) {
+    for (const path of ['learn/index.html', 'learn/data.json', 'learn/app.js', 'learn/sw.js']) {
+      if (!records.has(path)) throw new Error(`构建缺少关键文件：${path}`);
+      paths.push(path);
+    }
+  }
   return [...new Set(paths)];
 }
 
@@ -62,6 +69,12 @@ export async function verifyPublished(manifestBytes, { fetcher = fetch, origin =
   if (sha256(remote) !== revision) throw new Error('正式域名的版本清单尚未与构建一致。');
   const records = new Map(manifest.files.map(file => [file.path, file]));
   // Check actual bytes as well as the manifest; an SPA fallback can also return HTTP 200.
+  // 目录地址 /learn/ 要返回学习站的入口页，而不是网站首页或 404
+  if (records.has('learn/index.html')) {
+    const entry = records.get('learn/index.html');
+    const bytes = await download(origin, 'learn/', revision, fetcher);
+    if (sha256(bytes) !== entry.sha256) throw new Error('正式域名的 /learn/ 没有返回学习站入口页');
+  }
   await Promise.all(paths.map(async path => {
     const record = records.get(path);
     const bytes = await download(origin, path, revision, fetcher);

website/deploy/deploy.test.mjs

@@ -21,13 +21,14 @@ async function saveManifest(directory, files, sourceCommit = 'source') {
 }
 
 async function fixture(t, { notes = ['notes/MySQL.md', 'notes/大模型应用.md',
-  'notes/Java 基础.md', 'notes/66. 构建乘积数组.md'], images = true } = {}) {
+  'notes/Java 基础.md', 'notes/66. 构建乘积数组.md'], images = true, learn = false } = {}) {
   const root = await mkdtemp(join(tmpdir(), 'cs-notes-deploy-'));
   const directory = join(root, 'dist');
   t.after(() => rm(root, { recursive: true, force: true }));
   const files = new Map(['index.html', 'build-info.json', 'README.md', 'site.css', 'site.js',
     'search.js', 'search-paths.js', 'search-index-example.json', 'image-variants.json', ...notes,
-    ...(images ? ['notes/pics/example.png', 'optimized/example.webp'] : [])]
+    ...(images ? ['notes/pics/example.png', 'optimized/example.webp'] : []),
+    ...(learn ? ['learn/index.html', 'learn/data.json', 'learn/app.js', 'learn/sw.js'] : [])]
     .map(path => [path, Buffer.from(`validated contents: ${path}`)]));
   for (const [path, data] of files) {
     await mkdir(resolve(directory, path, '..'), { recursive: true });
@@ -185,3 +186,18 @@ test('已有旧发布包时，上传的 ZIP 必须包含当前清单', async t =
   });
   assert.equal(report.result, 'deployed');
 });
+
+test('学习站：校验入口、数据和离线缓存脚本，目录地址 /learn/ 要返回入口页', async t => {
+  const { directory, files } = await fixture(t, { learn: true });
+  const serve = (learnDirectory) => async url => {
+    const path = decodeURIComponent(url.pathname.slice(1));
+    if (path === 'learn/') return new Response(learnDirectory);
+    return new Response(files.get(path));
+  };
+  const report = await deploySite({ directory, attempts: 1, getClient: () => assert.fail('无变化时不应读取发布凭据'),
+    fetcher: serve(files.get('learn/index.html')) });
+  assert.equal(report.verifiedFiles, 19);
+  // 托管服务把 /learn/ 回退成网站首页时，校验要失败
+  await assert.rejects(deploySite({ directory, attempts: 1, sleep: async () => {}, getClient: () => assert.fail('无变化时不应读取发布凭据'),
+    fetcher: serve(files.get('index.html')) }), /learn/);
+});

website/templates/site.css

@@ -40,6 +40,13 @@ body { color: #34495e; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI
 .article-toc { border: 1px solid #dfe3da; border-radius: 7px; padding: 12px 18px; margin: 20px 0 28px; background: #fafbf8; }
 .article-toc summary { color: #369b72; font-weight: 600; cursor: pointer; min-height: 24px; }
 .article-toc > ul { margin-bottom: 0; }
+.learn-banner, .learn-callout { display: flex; align-items: center; gap: 16px; margin: 18px 0; padding: 16px 18px; border: 1px solid #e3e6e4; border-left: 4px solid var(--theme-color); border-radius: 10px; background: #fafbfa; color: inherit; text-decoration: none !important; }
+.learn-banner:hover, .learn-banner:focus-visible, .learn-callout:hover, .learn-callout:focus-visible { border-color: var(--theme-color); background: #eef7f2; }
+.learn-banner-text { flex: 1; min-width: 0; }
+.learn-banner b, .learn-callout b { display: block; color: var(--theme-color); font-size: 16px; }
+.learn-banner-text span, .learn-callout span { display: block; margin-top: 2px; font-size: 14px; line-height: 1.6; opacity: .85; }
+.learn-banner-go { flex: none; padding: 7px 18px; border-radius: 8px; background: var(--theme-color); color: #fff; font-weight: 600; font-size: 15px; }
+.learn-callout { display: block; }
 @media (min-width: 769px) { .content { padding-top: 12px; } .article-toc { display: none; } }
 .page-toc-block { margin: 0 0 18px; padding: 0 0 14px 18px; border-bottom: 1px solid #e2e3dc; }
 .page-toc-title { margin: 0 0 6px; font-size: 14px; font-weight: 600; color: #34495e; }

website/templates/site.js

@@ -193,6 +193,18 @@
   }
   preserveLegacyLinks();
   window.addEventListener('hashchange', preserveLegacyLinks);
+  // 学习路线的文章开头提示可以在学习站中按这条路线定级、排计划
+  var LEARN_ROUTES = { 'Java 后端': 'java', '大模型应用开发': 'llm', '面试冲刺': 'sprint' };
+  function learnCallout(vm, section) {
+    var match = decode(vm.route.path).match(/^\/notes\/学习路线 - (.+)$/), id = match && LEARN_ROUTES[match[1]];
+    if (!section || !id || section.querySelector('.learn-callout')) return;
+    var box = document.createElement('a');
+    box.className = 'learn-callout';
+    box.href = '/learn/#/start/' + id;
+    box.innerHTML = '<b>在学习站中按这条路线学</b><span>先做一轮自评定级，跳过已经掌握的天，按每天的时间和面试日期排出计划，自评过的题按间隔复习。</span>';
+    var heading = section.querySelector('h1');
+    (heading || section.firstChild).insertAdjacentElement(heading ? 'afterend' : 'beforebegin', box);
+  }
   window.$docsify = {
     name: 'CS-Notes',
     repo: 'https://github.com/CyC2018/CS-Notes',
@@ -226,6 +238,7 @@
         configureImages(document.querySelector('.markdown-section'), vm.route.path === '/');
         stepAnimations(document.querySelector('.markdown-section'));
         articleToc(vm);
+        learnCallout(vm, document.querySelector('.markdown-section'));
         document.querySelectorAll('.article-toc').forEach(function (toc) {
           toc.open = window.matchMedia('(min-width: 769px)').matches;
         });