Typecho增加文章目录

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修改php文件

• 需要修改的文件： /usr/themes/Joe/public/aside.php
• 在 aside.php 的合适位置增加如下代码，用于在侧边栏创建目录容器

代码语言：javascript复制

# 仅在文章和页面生效
is('post') || $this->is('page'))) : ?>
    
        
            
            目录

增加js代码

• 下面的js可以直接在Joe主题的设置中添加
• 位置：控制台->外观->设置外观->全局设置->自定义js

代码语言：javascript复制

function get_catalogs(article_content) {
    const titleTag = ["H1", "H2", "H3"];
    let titles = [];
    article_content.childNodes.forEach((e, index) => {
        const id = "header-"   index;
        if(titleTag.includes(e.nodeName)){
            titles.push({
                id: id,
                text: e.textContent,
                level: Number(e.nodeName.substring(1, 2))
            });
            e.setAttribute("id", id);
        }
    });
    return titles;
}
// 找到目录容器
article_content = document.querySelector('.joe_detail__article');
if (article_content) {
    var catalog = get_catalogs(article_content);
    if (catalog.length == 0) {
        // 无目录，隐藏
        $('.catalogue').hide();
    } else {
        let catalogue = '';
        for (let i = 0; i < catalog.length; i  ) {
            let node = ''   catalog[i].text   '';
            if (i == catalog.length - 1) {
                catalogue  = node   ''
            } else {
                if (catalog[i   1].level == catalog[i].level) {
                    catalogue  = node   '';
                } else if (catalog[i   1].level > catalog[i].level) {
                    catalogue  = (catalog[i   1].level > 1) ? node   '' : node   '';
                } else {
                    if (catalog[i   1].level - catalog[i].level == -2) {
                        catalogue  = i > 1 ? node   '' : node   '';
                    } else {
                        catalogue  = i > 1 ? node   '' : node   '';
                    }

                }
            }
        }
        document.querySelector('.catalogue-items').innerHTML = catalogue;
        $('.catalogue-item > a').on('mouseenter', function () {
            $(this).parent().addClass('_active');
        });
        $('.catalogue-item > a').on('mouseleave', function () {
            $(this).parent().removeClass('_active');
        });
        // 根据目录定位到标题
        $('.catalogue-item > a').on('click', function () {
            document.removeEventListener("scroll", autoActive);
            $('.catalogue-item').removeClass('active');
            $(this).parent().addClass('active');
            let aim = document.querySelector('#'   $(this).attr('to'));
            let aim_top = aim.offsetTop;
            let aim_h = aim.clientHeight;
            let above_h = document.querySelector('.joe_header__above').clientHeight;
            let below_h = document.querySelector('.joe_header__below').clientHeight;
            let offset = 0;
            let case1 = !document.querySelector('.joe_header__above').className.includes('active');
            let case2 = document.getElementsByTagName("html")[0].scrollTop   above_h > aim_top;
            if (case1 && case2) {
                offset = above_h;
            }
            window.scrollTo({
                top: aim_top - offset - below_h - 10,
                behavior: 'smooth'
            });
            setTimeout(() => {
                document.addEventListener("scroll", autoActive);
            }, 500);
        });
        if (catalog.length)
            $('.catalogue-item').eq(0).addClass('active');
        // 目录侧标题自动定位
        let autoActive = function () {
            let html_top = document.getElementsByTagName("html")[0].scrollTop; //获得父级卷去的高度
            for (let i = 0; i < catalog.length; i  ) {
                let offset = 0;
                let h_id = '#'   catalog[i].id;
                let h_offset = document.querySelector(h_id).offsetTop;
                let above_h = document.querySelector('.joe_header__above').clientHeight;
                let below_h = document.querySelector('.joe_header__below').clientHeight;

                if (!document.querySelector('.joe_header').className.includes('active'))
                    offset = above_h;
                if (h_offset   below_h   offset   10 >= html_top) {
                    $('.catalogue-item').removeClass('active');
                    if (i > 0 && i < catalog.length - 1 && document.querySelector('#'   catalog[i].id).offsetTop > html_top   window.innerHeight * 0.2) {
                        //还没到下一个标题
                        i--;
                    }
                    $('#to-'   catalog[i].id).parent().addClass('active');
                    break;
                }
            }
        };
        document.addEventListener("scroll", autoActive);
    }
} else {
    // 不是文章，隐藏目录
    $('.catalogue').hide();
}

css样式表

• 样式表同js，也可以在Joe主题的设置中添加
• 位置：控制台->外观->设置外观->全局设置->自定义css

代码语言：javascript复制

.joe_aside__item.catalogue {
    z-index: 999;
    position: sticky;
    top: 45px;
    margin-bottom: 15px;
    transition: top 0.35s;
    background: white;
    z-index: 10;
}

.joe_aside__item.catalogue .joe_aside__item-contain {
    padding: 0;
    margin: 0;
    margin-left: 10px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items {
    border-left: 1px solid var(--classC);
    border-bottom: 1px solid var(--background);
    padding: 15px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item {
    margin: 0;
    padding: 0;
    line-height: 26px;
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item a {
    position: relative;
    display: block;
    line-height: 26px;
    color: var(--main);
    transition: color 0.5s
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item a: hover {
    color: var(--theme)
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item._active>a,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item.active>a {
    color: var(--theme)
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item._active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item.active>a::before {
    content: "";
    position: absolute;
    left: -17px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--theme);
    transition: height 0.35s;
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2.catalogue-item,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item {
    font-size: 14px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2 .catalogue-item._active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2 .catalogue-item.active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item._active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item.active>a::before {
    left: -34px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2 .catalogue-item .level-3 .catalogue-item,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item .level-3 .catalogue-item {
    font-size: 12px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2 .catalogue-item .level-3 .catalogue-item._active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-2 .catalogue-item .level-3 .catalogue-item.active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item .level-3 .catalogue-item._active>a::before,
.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item .level-3 .catalogue-item.active>a::before {
    left: -51px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item .level-3 .catalogue-item {
    font-size: 12px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items .catalogue-item ul {
    padding-left: 17px
}

.joe_aside__item.catalogue .joe_aside__item-contain .catalogue-items ul {
    display: block;
    list-style-type: disc
} 

php css

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