最简主题需要三个文件（主题根目录）
1 index.html
2 css.css
3 theme.json
css.css
/*
Theme Name: My First WordPress Theme
*/
themes.json
{
“version”: 2,
“settings”: {
“layout”: {
“contentSize”: “840px”,
“wideSize”: “1100px”
}
}
}
index.html
index.php
<!DOCTYPE html>
<html>
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>">
<title><?php wp_title( '|', true, 'right' ); ?></title>
<link rel="stylesheet" href="<?php echo esc_url( get_stylesheet_uri() ); ?>" type="text/css" />
<?php wp_head(); ?>
</head>
<body>
<h1><?php bloginfo( 'name' ); ?></h1>
<h2><?php bloginfo( 'description' ); ?></h2>
<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>
<h3><?php the_title(); ?></h3>
<?php the_content(); ?>
<?php wp_link_pages(); ?>
<?php edit_post_link(); ?>
<?php endwhile; ?>
<?php
if ( get_next_posts_link() ) {
next_posts_link();
}
?>
<?php
if ( get_previous_posts_link() ) {
previous_posts_link();
}
?>
<?php else: ?>
<p>No posts found. :(</p>
<?php endif; ?>
<?php wp_footer(); ?>
</body>
</html>
