From 1e5f8eb33bc41cb59faf059e83701152785cabea Mon Sep 17 00:00:00 2001
From: yingyu5658 <i@yingyu5658.me>
Date: Sat, 13 Dec 2025 08:33:08 +0800
Subject: Initial commit

---
 layouts/partials/toc.html | 91 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 layouts/partials/toc.html

(limited to 'layouts/partials/toc.html')

diff --git a/layouts/partials/toc.html b/layouts/partials/toc.html
new file mode 100644
index 0000000..66936a4
--- /dev/null
+++ b/layouts/partials/toc.html
@@ -0,0 +1,91 @@
+{{/* 根据页面内容生成目录 */}}
+{{ if and .TableOfContents (ne .TableOfContents "<nav id=\"TableOfContents\"></nav>") }}
+<nav class="toc-nav">
+    {{ .TableOfContents }}
+</nav>
+
+<script>
+    // 为目录添加平滑滚动和当前位置高亮
+    document.addEventListener('DOMContentLoaded', function () {
+        const tocLinks = document.querySelectorAll('.toc-nav a');
+        const headings = Array.from(tocLinks).map(link => {
+            const id = link.getAttribute('href').replace('#', '');
+            return document.getElementById(id);
+        }).filter(h => h);
+
+        // 平滑滚动
+        tocLinks.forEach(link => {
+            link.addEventListener('click', function (e) {
+                e.preventDefault();
+                const targetId = this.getAttribute('href').replace('#', '');
+                const target = document.getElementById(targetId);
+                if (target) {
+                    target.scrollIntoView({
+                        behavior: 'smooth',
+                        block: 'start'
+                    });
+
+                    // 更新活动状态
+                    tocLinks.forEach(l => l.classList.remove('active'));
+                    this.classList.add('active');
+                }
+            });
+        });
+
+        // 滚动时更新当前位置
+        function updateActiveLink() {
+            const scrollTop = window.pageYOffset || document.documentElement.scrollTop;
+            const windowHeight = window.innerHeight;
+
+            for (let i = headings.length - 1; i >= 0; i--) {
+                const heading = headings[i];
+                const rect = heading.getBoundingClientRect();
+
+                if (rect.top <= 100) {
+                    // 移除所有活动状态
+                    tocLinks.forEach(link => link.classList.remove('active'));
+                    
+                    // 高亮当前标题
+                    const activeLink = document.querySelector(`.toc-nav a[href="#${heading.id}"]`);
+                    if (activeLink) {
+                        activeLink.classList.add('active');
+                        
+                        // 高亮所有父级标题
+                        let currentLi = activeLink.closest('li');
+                        while (currentLi) {
+                            const parentLi = currentLi.parentElement.closest('li');
+                            if (parentLi) {
+                                const parentLink = parentLi.querySelector('a');
+                                if (parentLink) {
+                                    parentLink.classList.add('active');
+                                }
+                                currentLi = parentLi;
+                            } else {
+                                break;
+                            }
+                        }
+                    }
+                    break;
+                }
+            }
+        }
+
+        // 节流函数
+        let ticking = false;
+        function throttleScroll() {
+            if (!ticking) {
+                requestAnimationFrame(function () {
+                    updateActiveLink();
+                    ticking = false;
+                });
+                ticking = true;
+            }
+        }
+
+        window.addEventListener('scroll', throttleScroll);
+
+        // 初始化时更新一次
+        updateActiveLink();
+    });
+</script>
+{{ end }}
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