您可以改为执行外部查询。
<?php
define(\'WP_USE_THEMES\', false);
global $wpdb;
require(ROOT_DIR.\'/blog/wp-load.php\');
query_posts(\'showposts=1\');
get_header();
try{
    $args = array(\'post_type\' => array(\'post\'), \'posts_per_page\' => -1);
    $qry = null;
    $qry = new WP_Query($args);
    if($qry->have_posts()){
        while($qry->have_posts()){
            $qry->the_post();
            $theTitle = get_the_title();
            print $theTitle.\'<br>\';
        }
        wp_reset_query();
    }else{
        print \'no records found\';
    }
}catch(Exception $e){
    print $e->getMessage();
}
get_footer();
?>