本文主要用到的函数为:get_page()
$page_id = 1; //page(页面)的id
$page_data = get_page( $page_id );
echo '<h3>'. $page_data->post_title .'</h3>';// 标题
//将内容放入hook(the_content,钩子)过滤器
echo apply_filters('the_content', $page_data->post_content); //内容
apply_filters()函数介绍查看:apply_filters()函数介绍
$name = 'about'; //page(页面)别名
global $wpdb;
//通过别名获取页面id
$page_id = $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_name = '$name'");
echo $page_data = get_page( $page_id )->post_content;