教程开始:
如果想让 WordPress 自带的搜索功能只搜索文章标题,让搜索结果更加精确(其实WordPress 自带的搜索功能本来模糊查找就很弱),可以将下面的代码添加到当前主题functions.php中:
// 只搜索文章标题 function wpse_11826_search_by_title( $search, $wp_query ) { if ( ! empty( $search ) && ! empty( $wp_query->query_vars['search_terms'] ) ) { global $wpdb; $q = $wp_query->query_vars; $n = ! empty( $q['exact'] ) ? '' : '%'; $search = array(); foreach ( ( array ) $q['search_terms'] as $term ) $search[] = $wpdb->prepare( "$wpdb->posts.post_title LIKE %s", $n . $wpdb->esc_like( $term ) . $n ); if ( ! is_user_logged_in() ) $search[] = "$wpdb->posts.post_password = ''"; $search = ' AND ' . implode( ' AND ', $search ); } return $search; } add_filter( 'posts_search', 'wpse_11826_search_by_title', 10, 2 );
WordPress搜索结果中只有一个文章时自动跳转到该链接
当访问者通过WordPress自带的搜索查找文章时,如果返回的结果只有一篇文章,可以直接跳转到这篇文章,从而提高用户体验。
同样将下面的代码添加到当前主题functions.php中
add_action('template_redirect', 'redirect_single_post'); function redirect_single_post() { if (is_search()) { global $wp_query; if ($wp_query->post_count == 1 && $wp_query->max_num_pages == 1) { wp_redirect( get_permalink( $wp_query->posts['0']->ID ) ); exit; } } }
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