wordpress调用当前分类文章列表的方法
我们在做wordpress企业网站的时候,经常需要调用当前分类文章列表,在新闻分类调用新闻分类的文章列表,产品分类就调用产品分类的文章列表。
首先需要在主题函数functions.php中加入功能函数:
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;
}
然后在分类文件中加入调用代码:
<?php
$cat= single_cat_title('', false);
$args = array( 'categories' => get_cat_ID($cat));
$tags = get_category_tags($args);
$content .= "<ul class='cat-tag'>";
if(!empty($tags)) {
foreach ($tags as $tag) {
$content .= "<li><a href="".get_tag_link($tag->term_id)."">".$tag->name."</a></li>";
}
}
$content .= "</ul>";
echo $content;
?>
在需要调用列表的地方插入就可以了,样式可以自己定义
.cat-tag{
float: left;
width: 100%;
}
.cat-tag li a{
float: left;
margin: 0 5px;
}
这样就可以在当前文章分类,调用分类的文章列表了。
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