categories.html

---
layout: page
title: 分类
---

{% assign rawcategories = "" %}
{% for post in site.posts %}
    {% assign tcategories = post.categories | join:'|' | append:'|' %}
    {% assign rawcategories = rawcategories | append:tcategories %}
{% endfor %}

{% assign rawcategories = rawcategories | split:'|' | sort %}

{% assign categories = "" %}

{% for tag in rawcategories %}
    {% if tag != "" %}
        {% if categories == "" %}
            {% assign categories = tag | split:'|' %}
        {% endif %}
        {% unless categories contains tag %}
            {% assign categories = categories | join:'|' | append:'|' | append:tag | split:'|' %}
        {% endunless %}
    {% endif %}
{% endfor %}

<div class="posts">
    <p>
    {% for tag in categories %}
        <a href="#{{ tag }}"><code><nobr>{{ tag }}</nobr></code></a>&nbsp;
    {% endfor %}

    {% for tag in categories %}
        <h2 id="{{ tag }}">{{ tag }}</h2>
        <ul>
            {% for post in site.posts %}
                {% if post.categories contains tag %}
                    <li><a href="{{ post.url | prepend: site.baseurl }}">{{ post.title }} | {{ post.date | date_to_string }}</a></li>
                {% endif %}
            {% endfor %}
        </ul>
    {% endfor %}
</div>