最近，我为一个简单的电子邮件日志做了类似的事情（用于诊断一些问题）。我没有时间剖析代码，但希望它对您来说足够清楚。
它创建了一个CPT，用于存储可在管理员（仅限）中查看的数据，并允许用户查看和删除每篇帖子。注意：删除，而不是垃圾——不需要恢复被删除的帖子。将“编辑”更改为“视图”，并用视图样板替换元框。这段代码显然缺少写入CPT的位和自动清除旧位的位，但应该足以回答您的问题。
/**
* custom post type for email log
*/
class LogEmailsPostTypeLog {
/**
* hooks
*/
public function __construct() {
add_action(\'admin_init\', array($this, \'init\'));
add_action(\'init\', array($this, \'register\'));
}
/**
* admin_init action
*/
public function init() {
global $typenow;
if (empty($typenow)) {
// try to pick it up from the query string
if (!empty($_GET[\'post\'])) {
$post = get_post($_GET[\'post\']);
$typenow = $post->post_type;
}
}
if ($typenow == \'log_emails_log\') {
add_filter(\'display_post_states\', \'__return_false\');
add_action(\'edit_form_after_title\', array($this, \'adminEditAfterTitle\'), 100);
add_filter(\'post_row_actions\', array($this, \'adminPostRowActions\'), 10, 2);
add_filter(\'bulk_actions-edit-log_emails_log\', array($this, \'adminBulkActionsEdit\'));
add_filter(\'manage_log_emails_log_posts_columns\', array($this, \'adminManageColumns\'));
add_action(\'manage_log_emails_log_posts_custom_column\', array($this, \'adminManageCustomColumn\'), 10, 2);
add_action(\'admin_print_footer_scripts\', array($this, \'adminPrintFooterScripts\'));
add_action(\'in_admin_header\', array($this, \'adminScreenLayout\'));
add_filter(\'views_edit-log_emails_log\', array($this, \'adminViewsEdit\'));
if (is_admin()) {
add_filter(\'gettext\', array($this, \'adminGetText\'), 10, 3);
}
wp_enqueue_script(\'jquery\');
}
}
/**
* register Custom Post Type
*/
public function register() {
// register the post type
register_post_type(\'log_emails_log\', array(
\'labels\' => array (
\'name\' => __(\'Email Logs\', \'log-emails\'),
\'singular_name\' => __(\'Email Log\', \'log-emails\'),
\'add_new_item\' => __(\'Add New Email Log\', \'log-emails\'),
\'edit_item\' => __(\'View Email Log\', \'log-emails\'),
\'new_item\' => __(\'New Email Log\', \'log-emails\'),
\'view_item\' => __(\'View Email Log\', \'log-emails\'),
\'search_items\' => __(\'Search Email Log\', \'log-emails\'),
\'not_found\' => __(\'No email logs found\', \'log-emails\'),
\'not_found_in_trash\' => __(\'No email logs found in Trash\', \'log-emails\'),
\'parent_item_colon\' => __(\'Parent email logs\', \'log-emails\'),
),
\'description\' => __(\'Email Logs, as a custom post type\', \'log-emails\'),
\'exclude_from_search\' => true,
\'publicly_queryable\' => false,
\'public\' => false,
\'show_ui\' => true,
\'show_in_admin_bar\' => false,
\'menu_position\' => 75,
\'hierarchical\' => false,
\'has_archive\' => false,
\'supports\' => array(\'nada\'),
\'rewrite\' => false,
\'can_export\' => false,
\'capabilities\' => array (
\'create_posts\' => false,
\'edit_post\' => \'manage_options\',
\'read_post\' => \'manage_options\',
\'delete_post\' => \'manage_options\',
\'edit_posts\' => \'manage_options\',
\'edit_others_posts\' => \'manage_options\',
\'publish_posts\' => \'manage_options\',
\'read_private_posts\' => \'manage_options\',
),
));
}
/**
* change some text on admin pages
* @param string $translation
* @param string $text
* @param string $domain
* @return string
*/
public function adminGetText($translation, $text, $domain) {
if ($domain == \'default\') {
if ($text == \'Edit “%s”\') {
$translation = \'View “%s”\';
}
}
return $translation;
}
/**
* remove views we don\'t need from post list
* @param array $views
* @return array
*/
public function adminViewsEdit($views) {
unset($views[\'publish\']);
unset($views[\'draft\']);
return $views;
}
/**
* remove unwanted actions from post list
* @param array $actions
* @param WP_Post $post
* @return array
*/
public function adminPostRowActions($actions, $post) {
unset($actions[\'inline hide-if-no-js\']); // "quick edit"
unset($actions[\'trash\']);
unset($actions[\'edit\']);
if ($post && $post->ID) {
// add View link
$actions[\'view\'] = sprintf(\'<a href="%s" title="%s">%s</a>\',
get_edit_post_link($post->ID),
__(\'View\', \'log-emails\'), __(\'View\', \'log-emails\'));
// add Delete link
$actions[\'delete\'] = sprintf(\'<a href="%s" title="%s" class="submitdelete">%s</a>\',
get_delete_post_link($post->ID, \'\', true),
__(\'Delete\', \'log-emails\'), __(\'Delete\', \'log-emails\'));
}
return $actions;
}
/**
* change the list of available bulk actions
* @param array $actions
* @return array
*/
public function adminBulkActionsEdit($actions) {
unset($actions[\'edit\']);
return $actions;
}
/**
* filter to add columns to post list
* @param array $posts_columns
* @return array
*/
public function adminManageColumns($posts_columns) {
$posts_columns[\'title\'] = \'Subject\';
$posts_columns[\'_log_emails_log_to\'] = \'Recipients\';
return $posts_columns;
}
/**
* action to add custom columns to post list
* @param string $column_name
* @param int $post_id
*/
public function adminManageCustomColumn($column_name, $post_id) {
switch ($column_name) {
case \'_log_emails_log_to\':
$post = get_post($post_id);
if ($post) {
echo htmlspecialchars(get_post_meta($post_id, \'_log_emails_log_to\', true));
}
break;
}
}
/**
* change the screen layout
*/
public function adminScreenLayout() {
// set max / default layout as single column
add_screen_option(\'layout_columns\', array(\'max\' => 1, \'default\' => 1));
}
/**
* drop all the metaboxes and output what we want to show
*/
public function adminEditAfterTitle($post) {
global $wp_meta_boxes;
// remove all meta boxes
$wp_meta_boxes = array(\'log_emails_log\' => array(
\'advanced\' => array(),
\'side\' => array(),
\'normal\' => array(),
));
// show my admin form
require LOG_EMAILS_PLUGIN_ROOT . \'views/log-detail.php\';
}
/**
* replace Trash bulk actions with Delete
* NB: WP admin already handles the delete action, it just doesn\'t expose it as a bulk action
*/
public function adminPrintFooterScripts() {
?>
<script>
jQuery("select[name=\'action\'],select[name=\'action2\']").find("option[value=\'trash\']").each(function() {
this.value = \'delete\';
jQuery(this).text("<?php esc_attr_e(\'Delete\', \'log-emails\'); ?>");
});
</script>
<?php
}
}
