关于在WordPress中，使用WP_Query进行文章查询的话题，已聊了很多了，本文略作小结，以方便大家。
WP_Query相关的文章汇总如下：
1. WordPress函数：WP_Query的基础用法简介
2. WordPress函数：使用 WP_Query 按作者查询文章
3. WordPress函数：使用 WP_Query 按文章分类查询文章
4. WordPress函数：使用 WP_Query 按文章标签查询文章
5. WordPress函数：WP_Query 使用 tax_query 根据自定义文章分类查询文章
6. WordPress函数：WP_Query 使用 s 进行文章搜索
7. WordPress函数：WP_Query 按文章、页面的ID查询文章
8. WordPress函数：WP_Query 和密码保护文章相关的查询操作
9. WordPress函数：WP_Query 使用参数 post_type 按文章类型搜索文章
10. WordPress函数：WP_Query 根据文章状态查询文章
11. WordPress函数：WP_Query 按评论数量查询文章
12. WordPress函数：WP_Query 如何进行分页查询
13. WordPress函数：WP_Query 查询置顶文章的方法和建议
14. WordPress函数：WP_Query 如何对查询结果排序
15. WordPress函数：WP_Query 如何按照时间查询文章
16. WordPress函数：WP_Query 按用户权限查询文章
17. WordPress函数：WP_Query 如何搜索媒体库（附件）
18. WordPress函数：WP_Query 缓存相关参数说明
WP_Query的全部参数，汇总如下：
$args = [
// 按作者查询
'author' => 123,
'author_name' => 'zhuige.com',
'author' => '2,6,17,38',
'author' => -12,
'author__in' => array(2, 6),
'author__not_in' => array(2, 6),
// 按文章分类查询
'cat' => 4,
'category_name' => 'zhuige',
'category__in' => 4,
'cat' => '2,6,17,38',
'category_name' => 'zhuige,jiangqie',
'category_name' => 'zhuige+jiangqie',
'cat' => '-12,-34,-56',
'category__and' => array(2, 6),
'category__in' => array(2, 6),
'category__not_in' => array(2, 6),
// 按文章标签查询
'tag' => 'cooking',
'tag_id' => 13,
'tag' => 'bread,baking',
'tag' => 'bread+baking+recipe',
'tag__and' => array(37, 47),
'tag__in' => array(37, 47),
'tag__not_in' => array(37, 47),
// 按文章自定义分类查询
'tax_query' => array(
array(
'taxonomy' => 'people',
'field' => 'slug',
'terms' => 'bob',
),
),
'tax_query' => array(
'relation' => 'AND',
array(
'taxonomy' => 'movie_genre',
'field' => 'slug',
'terms' => array('action', 'comedy'),
),
array(
'taxonomy' => 'actor',
'field' => 'term_id',
'terms' => array(103, 115, 206),
'operator' => 'NOT IN',
),
),
'tax_query' => array(
'relation' => 'OR',
array(
'taxonomy' => 'category',
'field' => 'slug',
'terms' => array('quotes'),
),
array(
'taxonomy' => 'post_format',
'field' => 'slug',
'terms' => array('post-format-quote'),
),
),
'tax_query' => array(
'relation' => 'OR',
array(
'taxonomy' => 'category',
'field' => 'slug',
'terms' => array('quotes'),
),
array(
'relation' => 'AND',
array(
'taxonomy' => 'post_format',
'field' => 'slug',
'terms' => array('post-format-quote'),
),
array(
'taxonomy' => 'category',
'field' => 'slug',
'terms' => array('wisdom'),
),
),
),
// 搜索文章
's' => 'zhuige',
's' => 'zhuige -jiangqie',
// 按文章ID或slug查询
'p' => 7,
'page_id' => 7,
'name' => 'about-my-life',
'pagename' => 'contact',
'pagename' => 'contact_us/canada',
'post_parent' => 93,
'post_parent' => 0,
'post_parent__in' => array(2, 5, 12, 14, 20),
'post__in' => array(2, 5, 12, 14, 20),
'post__not_in' => array(2, 5, 12, 14, 20),
// 按文章是否密码保护查询
'has_password' => true,
'has_password' => null,
'post_password' => 'zxcvbn',
// 按文章类型查询
'post_type' => 'page',
'post_type' => 'any',
'post_type' => array('post', 'page', 'movie', 'book'),
// 按文章状态查询
'post_status' => 'draft',
'post_status' => array('pending', 'draft', 'future'),
// 按文章评论查询
'comment_count' => 20,
'comment_count' => array(
'value' => 25,
'compare' => '>=',
),
// 文章查询分页
'posts_per_page' => -1,
'nopaging' => true,
'posts_per_page' => 5, 'offset' => 3,
'paged' => 6,
'ignore_sticky_posts' => 1,
// 文章查询排序
'orderby' => 'title',
'orderby' => 'menu_order title',
'orderby' => 'rand',
'orderby' => array('meta_value_num' => 'DESC', 'title' => 'ASC'),
'order' => 'DESC',
// 按文章日期查询
// $query = new WP_Query( 'year=2012&monthnum=12&day=12' );
'date_query' => array(
array(
'year' => 2012,
'month' => 12,
'day' => 12,
),
),
'date_query' => array(
array(
'hour' => 9,
'compare' => '>=',
),
array(
'hour' => 17,
'compare' => '<=',
),
array(
'dayofweek' => array(2, 6),
'compare' => 'BETWEEN',
),
),
'date_query' => array(
array(
'column' => 'post_date_gmt',
'before' => '1 year ago',
),
array(
'column' => 'post_modified_gmt',
'after' => '1 month ago',
),
),
// 按文章扩展属性查询
'meta_key' => 'color',
'meta_value' => 'blue',
'meta_key' => 'color',
'meta_value' => 'blue',
'meta_compare' => '!=',
'post_type' => 'event',
'meta_key' => 'event_date',
'meta_value' => date("Ymd"),
'meta_compare' => '>',
'meta_key' => 'price',
'meta_value' => '22',
'meta_compare' => '<=',
'post_type' => 'product',
'meta_query' => array(
array(
'key' => 'color',
'value' => 'blue',
'compare' => 'NOT LIKE',
),
),
'meta_query' => array(
array(
'key' => 'color',
'value' => 'blue',
'compare' => 'NOT LIKE',
),
array(
'key' => 'price',
'value' => array(20, 100),
'type' => 'numeric',
'compare' => 'BETWEEN',
),
),
'meta_query' => array(
'relation' => 'OR',
array(
'key' => 'color',
'value' => 'blue',
'compare' => 'NOT LIKE',
),
array(
'key' => 'price',
'value' => array(20, 100),
'type' => 'numeric',
'compare' => 'BETWEEN',
),
),
'meta_query' => array(
'relation' => 'OR',
array(
'key' => 'color',
'value' => 'orange',
'compare' => '=',
),
array(
'relation' => 'AND',
array(
'key' => 'color',
'value' => 'red',
'compare' => '=',
),
array(
'key' => 'size',
'value' => 'small',
'compare' => '=',
),
),
),
// 按文章权限查询
'perm' => 'readable',
// 按附件类型查询
'post_type' => 'attachment',
'post_status' => 'inherit',
'post_mime_type' => 'image/gif',
'post_type' => 'attachment',
'post_status' => 'inherit',
'post_mime_type' => array('image/jpeg', 'image/gif', 'image/png', 'image/bmp', 'image/tiff', 'image/x-icon'),
// 设置是否启用文章缓存
'cache_results' => false,
'update_post_meta_cache' => false,
'update_post_term_cache' => false,
];-
WordPress函数：number_format_i18n 数字国际化WordPress函数：number_format_i18n 数字国际化
-
WordPress函数：date_i18n 日期国际化WordPress函数：date_i18n 日期国际化
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WordPress函数：esc_html_e 转义翻译的字符串并显示WordPress函数：esc_html_e 转义翻译的字符串并显示
-
WordPress函数：esc_attr_e 属性转义、翻译、显示WordPress函数：esc_attr_e 属性转义、翻译、显示
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WordPress函数：esc_attr_x 带上下文的转义属性，翻译显示WordPress函数：esc_attr_x 带上下文的转义属性，翻译显示
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WordPress必备：使用wp_get_theme()函数获取当前主题详情在WordPress中，wp_get_theme() 函数用于获取当前启用的主题或指定主题的信息。这个函数返回一个 WP_Theme 对象，该对象包含了主题的详细信息，如主题名称、版本、模板目录、样式表目录等。
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