一、新增模板
1、文章模板
别人在插件里写的使用代码添加文章模板：
//$templates = array();
add_filter( 'theme_page_templates', array('add_new_template' ) );
add_filter( 'theme_post_templates', array('add_new_template' ) );
function add_new_template( $posts_templates ) {
$templates = array(
'essential-blocks-fullwidth-template.php' => __( 'Essential Blocks Fullwidth Template', 'essential_blocks' ),
'essential-blocks-blank-template.php' => __( 'Essential Blocks Blank Template', 'essential_blocks' ),
);
$posts_templates = array_merge( $posts_templates, $templates );
return $posts_templates;
}
Essential Blocks Blank Template的代码：
<?php
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Template Name: Essential Blocks Blank Template
* Description: Blank template for Essential Blocks template
*
* @link https://essential-blocks.com
* @since 3.3.3
*
* @package Essential Blocks
*/
?>
<!DOCTYPE html>
<html <?php language_attributes(); ?>>
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>">
<?php if ( ! current_theme_supports( 'title-tag' ) ) : ?>
<title><?php echo wp_get_document_title(); ?></title>
<?php endif; ?>
<?php wp_head(); ?>
</head>
<body <?php body_class(); ?>>
<main class="eb-blank-container">
<div class="eb-blank-content-wrapper">
<?php
/**
* Hooks anything before content
*
* @since 3.3.3
*/
do_action( 'eb_before_blank_content' );
?>
<?php if ( have_posts() ) : ?>
<?php
while ( have_posts() ) :
the_post();
?>
<?php the_content(); ?>
<?php endwhile; ?>
<?php endif; ?>
<?php
/**
* Hooks anything after content
*
* @since 3.3.3
*/
do_action( 'eb_after_blank_content' );
?>
</div>
</main>
<?php wp_footer(); ?>
</body>
</html>
这个插件里面完整的代码：
<?php
if(!class_exists('Essential_Blocks_Page_Template')){
class Essential_Blocks_Page_Template {
/**
* A reference to an instance of this class.
*/
private static $instance;
/**
* The array of templates that this plugin tracks.
*/
protected $templates;
/**
* Returns an instance of this class.
*/
public static function get_instance() {
if ( null == self::$instance ) {
self::$instance = new Essential_Blocks_Page_Template();
}
return self::$instance;
}
/**
* Initializes the plugin by setting filters and administration functions.
*/
private function __construct() {
$this->templates = array();
add_filter( 'theme_page_templates', array( $this, 'add_new_template' ) );
add_filter( 'theme_post_templates', array( $this, 'add_new_template' ) );
// Add a filter to the save post to inject out template into the page cache.
add_filter( 'wp_insert_post_data', array( $this, 'register_templates' ) );
// Add a filter to the template include to determine if the page has our.
// template assigned and return it's path.
add_filter( 'template_include', array( $this, 'view_template' ) );
// Add your templates to this array.
$this->templates = array(
'essential-blocks-fullwidth-template.php' => __( 'Essential Blocks Fullwidth Template', 'essential_blocks' ),
'essential-blocks-blank-template.php' => __( 'Essential Blocks Blank Template', 'essential_blocks' ),
);
}
/**
* Adds our template to the page dropdown for v4.7+
*/
public function add_new_template( $posts_templates ) {
$posts_templates = array_merge( $posts_templates, $this->templates );
return $posts_templates;
}
/**
* Adds our template to the pages cache in order to trick WordPress
* into thinking the template file exists where it doens't really exist.
*/
public function register_templates( $atts ) {
// Create the key used for the themes cache
$cache_key = 'page_templates-' . md5( get_theme_root() . '/' . get_stylesheet() );
// Retrieve the cache list.
// If it doesn't exist, or it's empty prepare an array.
$page_templates = wp_get_theme()->get_page_templates();
if ( empty( $page_templates ) ) {
$page_templates = array();
}
// New cache, therefore remove the old one.
wp_cache_delete( $cache_key, 'themes' );
// Now add our template to the list of templates by merging our templates.
// with the existing templates array from the cache.
$page_templates = array_merge( $page_templates, $this->templates );
// Add the modified cache to allow WordPress to pick it up for listing.
// available templates.
wp_cache_add( $cache_key, $page_templates, 'themes', 1800 );
$cache_key_post = 'post_templates-' . md5( get_theme_root() . '/' . get_stylesheet() );
$post_templates = wp_get_theme()->get_post_templates();
if ( empty( $post_templates ) ) {
$post_templates = array();
}
if(!isset($post_templates['post'])){
$post_templates['post'] = array();
}
// New cache, therefore remove the old one.
wp_cache_delete( $cache_key_post, 'themes' );
// Now add our template to the list of templates by merging our templates.
// with the existing templates array from the cache.
$post_templates['post'] = array_merge( $post_templates['post'], $this->templates );
// Add the modified cache to allow WordPress to pick it up for listing.
// available templates.
wp_cache_add( $cache_key_post, $post_templates, 'themes', 1800 );
return $atts;
}
/**
* Checks if the template is assigned to the page
*/
public function view_template( $template ) {
// Get global post.
global $post;
// Return template if post is empty.
if ( ! $post ) {
return $template;
}
// Return default template if we don't have a custom one defined.
if ( ! isset(
$this->templates[ get_post_meta(
$post->ID,
'_wp_page_template',
true
) ]
) ) {
return $template;
}
$file = ESSENTIAL_BLOCKS_DIR_PATH . 'templates/' . get_post_meta(
$post->ID,
'_wp_page_template',
true
);
// Just to be safe, we check if the file exist first.
if ( file_exists( $file ) ) {
return $file;
} else {
echo esc_html( $file );
}
// Return template.
return $template;
}
}
}
当然，我们也能通过修改主题文件的方式，添加文章模板，你可以看看：
2、页面
新建的话也可以看看上面的代码，上面的代码是文章模板和页面模板都新建了，当然，我还有两个插件分享我直接放出来吧，看完这两个插件也能快速了解新建页面模板，文件登录可见：
再放一个子比主题的新建页面的代码,而且还可以根据这个函数获取页面的链接,代码如下:
/**
* @description: 根据页面模板获取页面链接
* @param {*} $template
* @return {*}
*/
function zib_get_template_page_url($template, $args = array())
{
$cache = wp_cache_get($template, 'page_url', true);
if ($cache) {
return $cache;
}
$templates = array(
'pages/newposts.php' => array('发布文章', 'newposts'),
'pages/user-sign.php' => array('登录/注册/找回密码', 'user-sign'),
'pages/download.php' => array('资源下载', 'download'),
);
$templates = array_merge($templates, $args);
$pages_args = array(
'meta_key' => '_wp_page_template',
'meta_value' => $template,
);
$pages = get_pages($pages_args);
$page_id = 0;
if (!empty($pages[0]->ID)) {
$page_id = $pages[0]->ID;
} elseif (!empty($templates[$template][0])) {
$one_page = array(
'post_title' => $templates[$template][0],
'post_name' => $templates[$template][1],
'post_status' => 'publish',
'post_type' => 'page',
'post_author' => 1,
);
$page_id = wp_insert_post($one_page);
update_post_meta($page_id, '_wp_page_template', $template);
}
if ($page_id) {
$url = get_permalink($page_id);
wp_cache_set($template, $url, 'page_url');
return $url;
} else {
return false;
}
}
//获取链接
$href = zib_get_template_page_url('pages/newposts.php');
$url = zib_get_template_page_url('pages/user-sign.php');© 版权声明
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