WordPress - 生成按标签和类别过滤的帖子列表
我正在尝试创建一个页面上有六个列表的 WordPress 网站，每个列表显示来自不同类别的帖子.很简单.
I'm trying to make a WordPress site that has six lists on a page, each list showing posts from a different category. Simple.
但是，如果用户选择了一个标签，将他们带到该标签存档页面，我希望他们仍然看到六列表模板，但每个类别中的所有帖子也被标签过滤.因此，帖子列表首先按标签过滤，然后按类别过滤.
But then, if a user selects a tag, taking them to that tag archive page, I want them to still see the six-list template, but all the posts within each category are also filtered by the tag. So lists of posts are filtered first by tag, and then by category.
据我所知，使用 query_posts 或其他任何东西都无法做到这一点，它需要更高级的数据库使用，但我不知道如何做到这一点！我认为这里有一个类似的问题，但是因为我对 PHP 知之甚少，也没有 MySQL，所以我无法理解答案！
As far as I can tell, there is no way of doing this using query_posts or anything, it needs more advanced use of the database, but I have no idea how to do this! I think that there's a similar question on here, but because I know very little PHP and no MySQL, I can't make sense of the answers!
推荐答案
对了，我终于找到了一个比较简单的解决方案.
Right, I have finally found a relatively simple solution to this.
WordPress 中存在一个错误，阻止了对类别和标签的查询，因此 query_posts('cat=2&tag=bread'); 不起作用，但解决此问题的方法是query_posts('cat=2&tag=bread+tag=bread'); 神奇地起作用.
There's a bug in WordPress preventing a query of both category and tags working, so query_posts('cat=2&tag=bread'); wouldn't work, but a way around this is query_posts('cat=2&tag=bread+tag=bread'); which magically works.
在 tag.php 模板中，我希望它从该存档中获取标签，所以我必须这样做:
In a tag.php template, I wanted it to pick up the tag from that archive, so I had to do this:
<?php query_posts('cat=12&tag='.$_GET['tag'].'+'.$_GET['tag']); ?>
效果很好.
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