hishere.github.io/markdown.html at main · hishere/hishere.github.io · GitHub

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<!DOCTYPE html>
<html lang="zh_CN">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title></title>
    <script src="https://s4.zstatic.net/npm/markdown-it@13.0.1/dist/markdown-it.min.js"></script>

    <script src="https://s4.zstatic.net/ajax/libs/highlight.js/11.11.1/highlight.min.js" integrity="sha512-EBLzUL8XLl+va/zAsmXwS7Z2B1F9HUHkZwyS/VKwh3S7T/U0nF4BaU29EP/ZSf6zgiIxYAnKLu6bJ8dqpmX5uw==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

    <link rel="stylesheet" href="https://s4.zstatic.net/ajax/libs/highlight.js/11.11.1/styles/default.min.css" integrity="sha512-hasIneQUHlh06VNBe7f6ZcHmeRTLIaQWFd43YriJ0UND19bvYRauxthDg8E4eVNPm9bRUhr5JGeqH7FRFXQu5g==" crossorigin="anonymous" referrerpolicy="no-referrer" />


    <!-- <script src="https://s4.zstatic.net/npm/markdown-it@14.1.0/dist/markdown-it.min.js"></script> -->
    <script src="https://s4.zstatic.net/npm/markdown-it-anchor@9.2.0/dist/markdownItAnchor.umd.js"></script>
    <script src="https://s4.zstatic.net/npm/markdown-it-toc-done-right@4.2.0/dist/markdownItTocDoneRight.umd.js"></script>
    <style>
        /* 示例：基于 rem 单位，按比例缩小所有标题，但仍保持差异 */
h1 { font-size: 1.8rem; }   /* 原为 2rem */
h2 { font-size: 1.6rem; }   /* 原为 1.8rem */
h3 { font-size: 1.4rem; }   /* 原为 1.6rem */
h4 { font-size: 1.2rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

        #toc {
            border: 1px solid #ccc;
            padding: 10px;
            background-color: #f9f9f9;
        }

        #markdown-rendered {
            margin-top: 20px;
        }
        #backToTop {
            display: none;
            position: fixed;
            bottom: 20px;
            right: 30px;
            z-index: 99;
            border: none;
            outline: none;
            background-color: #007BFF;
            opacity: 0.2;
            color: white;
            cursor: pointer;
            padding: 15px;
            border-radius: 10px;
            font-size: 18px;
        }

        #backToTop:hover {
            background-color: #0056b3;
        }
        .code-container {
            position: relative;
            margin: 1em 0;
        }

        .copy-btn {
            position: absolute;
            right: 10px;
            top: 10px;
            z-index: 2;
            padding: 4px 8px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            font-size: 12px;
            transition: all 0.2s;
        }

        .copy-btn:hover {
            background: #007bff;
            color: white;
            border-color: transparent;
        }

        pre {
            position: relative;
            padding-top: 30px !important; /* 给按钮留出空间 */
        }
    </style>
</head>

<body>
    <div id="markdown-rendered"></div>
    <script>
        const urlParams = new URLSearchParams(window.location.search);
        const mdLoad = urlParams.get('md');
        console.log('接收到的 md 参数值为：', mdLoad);
        document.title=mdLoad;

        const md = window.markdownit({
            html: true,
            linkify: true,
            typographer: true
        });
        md.use(window.markdownItAnchor, { permalink: true, permalinkBefore: true, permalinkSymbol: '§' })
           .use(window.markdownItTocDoneRight,{containerId: 'toc'});


        // 更新后的高亮渲染逻辑（修复HTML实体转义问题）
        md.renderer.rules.fence = function (tokens, idx, options, env, self) {
            const token = tokens[idx];
            const info = token.info ? token.info.trim() : '';
            const lang = window.hljs.getLanguage(info) ? info : 'plaintext';
            const code = token.content;
            const highlighted = window.hljs.highlight(code, { language: lang }).value;
            const uid = 'code-' + Math.random().toString(36).slice(2, 11);

            return `
            <div class="code-container">
        <button class="copy-btn" onclick="copyCode('${uid}')">复制</button>
        <!-- 隐藏元素存储原始代码 -->
        <pre id="${uid}" style="display:none">${escapeSafeHTML(code)}</pre>
        <!-- 显示高亮后的代码 -->
        <pre><code class="hljs ${lang}">${highlighted}</code></pre>
            </div>
            `;
        };

        // 安全转义函数（保留HTML实体）
        function escapeSafeHTML(str) {
            return str.replace(/[<>"']/g,
        ch => ({
            '<': '&lt;',
            '>': '&gt;',
            '"': '&quot;',
            "'": '&#39;'
        }[ch] || ch));
        }

        // 复制函数（保留原始格式）
        function copyCode(uid) {
            const pre = document.getElementById(uid);
            const code = pre.textContent;  // 关键点：通过textContent获取原始内容
            const btn = pre.previousElementSibling;

            // 添加API存在性检测（核心改动）
        if (navigator.clipboard?.writeText) {
            navigator.clipboard.writeText(code).then(() => {
        btn.textContent = '已复制!';
        setTimeout(() => btn.textContent = '复制', 2000);
            }).catch(() => {
        // 现代API失败时仍然走旧方案
        execCommandCopy(code, btn);
            });
        } else {
            // 直接使用旧方案
            execCommandCopy(code, btn);
        }

        // 保持原有逻辑的最小封装（仅提取重复代码）
        function execCommandCopy(code, btn) {
            const textarea = document.createElement('textarea');
            textarea.value = code;
            // 修复问题(2)(3)：添加隐藏和防键盘逻辑
            textarea.style.position = 'fixed';
            textarea.style.opacity = 0;
            textarea.setAttribute('readonly', ''); // 修复iOS问题
            document.body.appendChild(textarea);

            // 强化选择逻辑
            textarea.select();
            if (textarea.setSelectionRange) { // 修复选择问题
        textarea.setSelectionRange(0, textarea.value.length);
            }

            try {
        document.execCommand('copy');
        btn.textContent = '已复制!';
        setTimeout(() => btn.textContent = '复制', 2000);
            } finally {
        document.body.removeChild(textarea);
            }
        }

        }


        const externalMdUrl = './md/'+mdLoad+'.md';

        fetch(externalMdUrl)
         .then(response => response.text())
         .then(data => {
                const html=md.render('${toc}\n'+data);
                document.getElementById('markdown-rendered').innerHTML = html+"<br><br>";
            })
         .catch(error => {
                console.error('Error fetching Markdown file:', error);
            });
    </script>
    <button id="backToTop" onclick="scrollToTop()">顶</button>
    <script>
        function scrollToTop() {
            window.scrollTo({
                top: 0,
                behavior:'smooth'
            });
        }
        window.onscroll = function () {
            const backToTopButton = document.getElementById('backToTop');
            if (document.body.scrollTop > 20 || document.documentElement.scrollTop > 20) {
                backToTopButton.style.display = 'block';
            } else {
                backToTopButton.style.display = 'none';
            }
        };
    </script>
</body>

</html>