WordPress直接访问数据库列出指定分类目录下的文章

 '', 

	    'db'      => '', 

	    'db_user' => '', 

	    'db_pwd'  => '', 

    );

    //数据库连接
	$mysqli = @new mysqli($mysql_conf['host'], $mysql_conf['db_user'], $mysql_conf['db_pwd']);

	if ($mysqli->connect_errno) {

	    die("could not connect to the database:\n" . $mysqli->connect_error);//诊断连接错误

	}

	$mysqli->query("set names 'utf8';");//编码转化
    
	$select_db = $mysqli->select_db($mysql_conf['db']);

	if (!$select_db) {

	    die("could not connect to the db:\n" .  $mysqli->error);

	}
    
    //wordpress后台分类ID
	$cids = [3985,3915,3931,36,3983];

	$html = '';

	foreach ($cids as $k=>$v) {

		$sql="SELECT ID,post_title,post_date,post_content FROM wp_posts,wp_term_relationships,wp_term_taxonomy WHERE ID=object_id and wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id and post_type='post' and post_status = 'publish' and wp_term_taxonomy.term_id = $v and taxonomy = 'category' order by ID desc limit 10"; 

		$res = $mysqli->query($sql);

		if (!$res) {

		    die("sql error:\n" . $mysqli->error);

		}

		$html .= "
";

		while ($row = $res->fetch_assoc()) {

				$html .= "
".$row['post_title']."
";

		}

		$html .= "
";

	}

	echo $html;

	$res->free();

	$mysqli->close();

?>