Jekyll/Liquid模板:如何按年份对博客帖子进行分组? [英] Jekyll/Liquid Templating: How to group blog posts by year?

问题描述

我正在重写我的博客以使用Jekyll. Jekyll使用Liquid模板语言，这使得学习如何自定义变得更加困难.

I'm rewriting my blog to use Jekyll. Jekyll uses the Liquid templating language so it makes it a little more difficult to learn how to customize.

我想按年份对我的博客文章列表进行分组.我该如何编写Liquid代码才能做到这一点?

I'd like to group my list of blog posts by year. How would I write the Liquid code to be able to do this?

{% for post in site.posts %}
  <li><!-- display post year here (but only once, per year) --></li>
  <li>
    <a href="{{ post.url }}">{{ post.title }}</a>
  </li>
{% endfor %}

推荐答案

如果要按年份细分，请使用以下代码:

If you want to break it down by year, here's the code:

{% for post in site.posts  %}
    {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %}
    {% capture next_year %}{{ post.previous.date | date: "%Y" }}{% endcapture %}

    {% if forloop.first %}
    <h2 id="{{ this_year }}-ref">{{this_year}}</h2>
    <ul>
    {% endif %}

    <li><a href="{{ post.url }}">{{ post.title }}</a></li>

    {% if forloop.last %}
    </ul>
    {% else %}
        {% if this_year != next_year %}
        </ul>
        <h2 id="{{ next_year }}-ref">{{next_year}}</h2>
        <ul>
        {% endif %}
    {% endif %}
{% endfor %}

如果您想将其分解为年份和月份，可以这样实现:

If you want to break it down to year and months it can be achieved like this:

{% for post in site.posts  %}
    {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %}
    {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %}
    {% capture next_year %}{{ post.previous.date | date: "%Y" }}{% endcapture %}
    {% capture next_month %}{{ post.previous.date | date: "%B" }}{% endcapture %}

    {% if forloop.first %}
    <h2 id="{{ this_year }}-ref">{{this_year}}</h2>
    <h3 id="{{ this_year }}-{{ this_month }}-ref">{{ this_month }}</h3>
    <ul>
    {% endif %}

    <li><a href="{{ post.url }}">{{ post.title }}</a></li>

    {% if forloop.last %}
    </ul>
    {% else %}
        {% if this_year != next_year %}
        </ul>
        <h2 id="{{ next_year }}-ref">{{next_year}}</h2>
        <h3 id="{{ next_year }}-{{ next_month }}-ref">{{ next_month }}</h3>
        <ul>
        {% else %}    
            {% if this_month != next_month %}
            </ul>
            <h3 id="{{ this_year }}-{{ next_month }}-ref">{{ next_month }}</h3>
            <ul>
            {% endif %}
        {% endif %}
    {% endif %}
{% endfor %}

这只是在循环中的哪个位置进行裁切的问题.

It is only a matter of where do you make the cut on the loop.

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