---
layout: default
---

<small><time class="date dt-published" datetime="{{ page.date | date_to_xmlschema }}">{{ page.date | date: "%-d %B %Y" }}</time> - 字数统计：{% if page.layout == "encrypt" %}God Knows {% else %}{{ page.content | strip_html | strip_newlines | remove: " " | size }} - 阅读大约需要{{ page.content | strip_html | strip_newlines | remove: "" | size | divided_by: 350 | plus: 1 }}分钟{% endif %} - Hits: <span id="{{ page.url }}" class="visitors">Loading...</span></small>
<h1 class="p-name">{{ page.title }}</h1>

<p class="view">by <a class="p-author h-card" href="//github.com/{{ page.author | default: "Mabbs" }}">{{ page.author | default: site.author }}</a></p>
<div id="outdate" style="display:none;">
  <hr />
  这是一篇创建于 <span id="outime"></span> 天前的文章，其中的信息可能已经有所发展或是发生改变。
  <br /><br />
</div>
<script>
  daysold = Math.floor((new Date().getTime() - new Date("{{ page.date | date_to_rfc822 }}").getTime()) / (24 * 60 * 60 * 1000));
  if (daysold > 90) {
    document.getElementById("outdate").style.display = "block";
    document.getElementById("outime").innerHTML = daysold;
  }
</script>

<hr />
{% if page.layout != "encrypt" %}
<b>AI摘要</b>
<p id="ai-output">{% assign ai_cache = site.data.ai-cache[page.url] %}{% if ai_cache %}{{ ai_cache }}{% else %}正在生成中……{% endif %}</p>
{% unless ai_cache %}
<!--[if IE]>
  <script>document.getElementById("ai-output").innerHTML="这个文章的AI摘要还没有缓存……IE看不了哦～";</script>
<![endif]-->
<!--[if !IE]> -->
<script>
  async function sha(str) {
    const encoder = new TextEncoder();
    const data = encoder.encode(str);
    const hashBuffer = await crypto.subtle.digest("SHA-256", data);
    const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert buffer to byte array
    const hashHex = hashArray
      .map((b) => b.toString(16).padStart(2, "0"))
      .join(""); // convert bytes to hex string
    return hashHex;
  }
  async function ai_gen(){
    var postContent = "文章标题：" + {{ page.title | jsonify }} + "；文章内容：" + {{ page.content | strip_html | strip_newlines | jsonify }};
    var postContentSign = await sha(postContent);
    var outputContainer = document.getElementById("ai-output");
    $.get(BlogAPI + "/is_uploaded?id={{ page.url }}&sign=" + postContentSign, function (data) {
      if (data == "yes") {
        $.get(BlogAPI + "/get_summary?id={{ page.url }}&sign=" + postContentSign, function (data2) {
          outputContainer.textContent = data2;
        });
      } else {
        $.post(BlogAPI + "/upload_blog?id={{ page.url }}", postContent, function (data) {
          $.get(BlogAPI + "/get_summary?id={{ page.url }}&sign=" + postContentSign);
          const evSource = new EventSource(BlogAPI + "/summary?id={{ page.url }}");
          outputContainer.textContent = "";
          evSource.onmessage = (event) => {
            if (event.data == "[DONE]") {
              evSource.close();
              return;
            } else {
              const data = JSON.parse(event.data);
              outputContainer.textContent += data.response;
            }
          }
        });
      }
    });
  }
  ai_gen();
</script>
<!-- <![endif]-->
{% endunless %}
<hr />
{% endif %}

{% include toc.html html=content sanitize=true h_max=3 %}

{% if page.layout == "encrypt" %} {{content}} {% else %} <main class="post-content e-content" role="main">{% capture a_post_content %}{% include anchor_headings.html html=content beforeHeading=true anchorBody="<svg class='octicon' viewBox='0 0 16 16' version='1.1' width='16' height='32' aria-hidden='true'><path fill-rule='evenodd' d='M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'></path></svg>" %}{% endcapture %}{{ a_post_content | replace: '<br />', '</p><p>' }}</main> {% endif %}

{% if page.tags %}
<small style="display: block">tags: {% for tag in page.tags %}<a rel="category tag" class="p-category" href="/search.html?keyword={{ tag | url_encode }}"><em>{{ tag }}</em></a>{% unless forloop.last %} - {% endunless %}{% endfor %} <span style="float: right;"><a href="{% if site.github %}{{ site.github.repository_url }}{% else %}https://gitlab.com/mayx/mayx.gitlab.io{% endif %}/tree/master/{{ page.path }}">查看原始文件</a></span></small>
{% endif %}
{% if page.layout != "encrypt" %}
<!--[if !IE]> -->
<h4 style="border-bottom: 1px solid #e5e5e5;margin: 2em 0 5px;">推荐文章</h4>
<p id="suggest-container">Loading...</p>
<script>
var suggest = $("#suggest-container");
$.get(BlogAPI + "/suggest?id={{ page.url }}&update=" + lastUpdated.valueOf(), function (data) {
    if (data.length) {
        getSearchJSON(function (search) {
            suggest.empty()
            const searchMap = new Map(search.map(item => [item.url, item]));
            const merged = data.map(suggestObj => {
                const searchObj = searchMap.get(suggestObj.id);
                return searchObj ? { ...searchObj } : null;
            });
            merged.forEach(element => {
                if (element) {
                    suggest.append("<a href=" + element.url + ">" + element.title + "</a> - " + element.date + "<br />");
                }
            });
        });
    } else {
        suggest.html("暂无推荐文章……");
    }
});
</script>
<!-- <![endif]-->
{% endif %}
<br />
<div class="pagination">
  {% if page.previous.url %}
  <span class="prev">
    <a href="{{ page.previous.url | relative_url }}">
      上一篇：{{ page.previous.title }}
    </a>
  </span>
  {% endif %}
  <br />
  {% if page.next.url %}
  <span class="next">
    <a href="{{ page.next.url | relative_url }}">
      下一篇：{{ page.next.title }}
    </a>
  </span>
  {% endif %}
</div>

<!--[if !IE]> -->
<link rel="stylesheet" href="/assets/css/gitalk.css">
<script src="/assets/js/gitalk.min.js"></script>

<div id="gitalk-container"></div>

<script>
  var gitalk = new Gitalk({
    clientID: (window.location.host != "mabbs.github.io")?'098934a2556425f19d6e':'36557aec4c3cb04f7ac6',
    clientSecret: (window.location.host != "mabbs.github.io")?'0bd44eed8425e5437ce43c4ba9b2791fbc04581d':'ac32993299751cb5a9ba81cf2b171cca65879cdb',
    repo: 'mabbs.github.io',
    owner: 'Mabbs',
    admin: ['Mabbs'],
    id: '{{ page.id }}',      // Ensure uniqueness and length less than 50
    distractionFreeMode: false,  // Facebook-like distraction free mode
    proxy: "https://cors-anywhere.mayx.eu.org/?https://github.com/login/oauth/access_token"
  })
  gitalk.render('gitalk-container')
</script>
<!-- <![endif]-->