我最终用Wordpress重写找到了答案。整个代码位于末尾，可以粘贴到函数中。php。只有一个参数需要更改$rules = cpt_generate_date_archives(\'news\', $wp_rewrite); news是post\\u类型的名称。因此，我添加了第二行来说明如何拥有两个归档。
该代码还包括以下功能get_cpt_archives( \'news\', true ) 打印（第二个参数）列表(<li> 基于）添加为侧栏。
/**
* Custom post type date archives
*/
/**
* Custom post type specific rewrite rules
* @return wp_rewrite Rewrite rules handled by Wordpress
*/
function cpt_rewrite_rules($wp_rewrite) {
$rules = cpt_generate_date_archives(\'news\', $wp_rewrite);
$rules = cpt_generate_date_archives(\'gallery\', $wp_rewrite);
$wp_rewrite->rules = $rules + $wp_rewrite->rules;
return $wp_rewrite;
}
add_action(\'generate_rewrite_rules\', \'cpt_rewrite_rules\');
/**
* Generate date archive rewrite rules for a given custom post type
* @param string $cpt slug of the custom post type
* @return rules returns a set of rewrite rules for Wordpress to handle
*/
function cpt_generate_date_archives($cpt, $wp_rewrite) {
$rules = array();
$post_type = get_post_type_object($cpt);
$slug_archive = $post_type->has_archive;
if ($slug_archive === false) return $rules;
if ($slug_archive === true) {
$slug_archive = $post_type->name;
}
$dates = array(
array(
\'rule\' => "([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})",
\'vars\' => array(\'year\', \'monthnum\', \'day\')),
array(
\'rule\' => "([0-9]{4})/([0-9]{1,2})",
\'vars\' => array(\'year\', \'monthnum\')),
array(
\'rule\' => "([0-9]{4})",
\'vars\' => array(\'year\'))
);
foreach ($dates as $data) {
$query = \'index.php?post_type=\'.$cpt;
$rule = $slug_archive.\'/\'.$data[\'rule\'];
$i = 1;
foreach ($data[\'vars\'] as $var) {
$query.= \'&\'.$var.\'=\'.$wp_rewrite->preg_index($i);
$i++;
}
$rules[$rule."/?$"] = $query;
$rules[$rule."/feed/(feed|rdf|rss|rss2|atom)/?$"] = $query."&feed=".$wp_rewrite->preg_index($i);
$rules[$rule."/(feed|rdf|rss|rss2|atom)/?$"] = $query."&feed=".$wp_rewrite->preg_index($i);
$rules[$rule."/page/([0-9]{1,})/?$"] = $query."&paged=".$wp_rewrite->preg_index($i);
}
return $rules;
}
/**
* Get a montlhy archive list for a custom post type
* @param string $cpt Slug of the custom post type
* @param boolean $echo Whether to echo the output
* @return array Return the output as an array to be parsed on the template level
*/
function get_cpt_archives( $cpt, $echo = false )
{
global $wpdb;
$sql = $wpdb->prepare("SELECT * FROM $wpdb->posts WHERE post_type = %s AND post_status = \'publish\' GROUP BY YEAR(wp_posts.post_date), MONTH(wp_posts.post_date) ORDER BY wp_posts.post_date DESC", $cpt);
$results = $wpdb->get_results($sql);
if ( $results )
{
$archive = array();
foreach ($results as $r)
{
$year = date(\'Y\', strtotime( $r->post_date ) );
$month = date(\'F\', strtotime( $r->post_date ) );
$month_num = date(\'m\', strtotime( $r->post_date ) );
$link = get_bloginfo(\'siteurl\') . \'/\' . $cpt . \'/\' . $year . \'/\' . $month_num;
$this_archive = array( \'month\' => $month, \'year\' => $year, \'link\' => $link );
array_push( $archive, $this_archive );
}
if( !$echo )
return $archive;
foreach( $archive as $a )
{
echo \'<li><a href="\' . $a[\'link\'] . \'">\' . $a[\'month\'] . \' \' . $a[\'year\'] . \'</a></li>\';
}
}
return false;
}
