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WordPress分类页当前栏目下的标签调用

2022年9月06日 20:06:24 编程语言 0 次浏览

首先,在主题functions.php模板文件中添加以下函数:
function get_category_tags($args) {
global $wpdb;
$tags = $wpdb->get_results
("
SELECT DISTINCT terms2.term_id as tag_id, terms2.name as tag_name
FROM
$wpdb->posts as p1
LEFT JOIN $wpdb->term_relationships as r1 ON p1.ID = r1.object_ID
LEFT JOIN $wpdb->term_taxonomy as t1 ON r1.term_taxonomy_id = t1.term_taxonomy_id
LEFT JOIN $wpdb->terms as terms1 ON t1.term_id = terms1.term_id,
$wpdb->posts as p2
LEFT JOIN $wpdb->term_relationships as r2 ON p2.ID = r2.object_ID
LEFT JOIN $wpdb->term_taxonomy as t2 ON r2.term_taxonomy_id = t2.term_taxonomy_id
LEFT JOIN $wpdb->terms as terms2 ON t2.term_id = terms2.term_id
WHERE
t1.taxonomy = 'category' AND p1.post_status = 'publish' AND terms1.term_id IN (".$args['categories'].") AND
t2.taxonomy = 'post_tag' AND p2.post_status = 'publish'
AND p1.ID = p2.ID
ORDER by tag_name
");
$count = 0;
if($tags) {
foreach ($tags as $tag) {
$mytag[$count] = get_term_by('id', $tag->tag_id, 'post_tag');
$count++;
}
} else {
$mytag = NULL;
}
return $mytag;
}
其次,将下面调用输出代码,添加到主题category.php模板适当位置:
$cat= single_cat_title('', false);
$args = array( 'categories' => get_cat_ID($cat));
$tags = get_category_tags($args);
$content .= "

    ";
    if(!empty($tags)) {

    $i=1;
    foreach ($tags as $tag) {

    if($i>=10) break;
    $i++;
    $content .= "

  • term_id)."\">".$tag->name."
  • ";
    }
    }
    $content .= "
";
echo $content;
?>
最后,再适当加上样式即可:
.cat-tag{
float: left;
width: 100%;
}
.cat-tag li a{
float: left;
margin: 0 5px;
}
懂css的同学,可以自己调节样式,达到自己想要的展示效果!

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