像这样?
<?php
/*
Plugin Name: Your plugin name
Plugin URI: http://www.domain.com
Description: Description
Author: You obviously
Version: 1.0
*/
/**
* Adds a meta box to the post editing screen
*/
include(\'meta_box/meta_box.php\');
?>
meta\\u框。php
<?php
$post_id = $_GET[\'post\'] ? $_GET[\'post\'] : $_POST[\'post_ID\'] ;
$page_temp = get_page_template_slug( $post_id );
if ($page_temp == \'template_name.php\')
{
function home_custom_meta() {
$post_id = $_GET[\'post\'] ? $_GET[\'post\'] : $_POST[\'post_ID\'] ;
// checks for post/page ID
// I REMOVED THE EDITOR BECAUSE I DIDN\'T NEED IT
remove_post_type_support(\'page\', \'editor\');
add_meta_box( \'home_meta\', __( \'Homepage\', \'home-textdomain\' ), \'home_meta_callback\', \'page\' );
add_action(\'save_post\',\'my_meta_save\');
}
add_action( \'add_meta_boxes\', \'home_custom_meta\' );
/**
* Outputs the content of the meta box
*/
function home_meta_callback( $post ) {
wp_nonce_field( basename( __FILE__ ), \'home_nonce\' );
// CONTENT OF THE META BOX GOES HERE
}
/**
* Saves the custom meta input
*/
function home_meta_save( $post_id ) {
// Checks save status
$is_autosave = wp_is_post_autosave( $post_id );
$is_revision = wp_is_post_revision( $post_id );
$is_valid_nonce = ( isset( $_POST[ \'home_nonce\' ] ) && wp_verify_nonce( $_POST[ \'home_nonce\' ], basename( __FILE__ ) ) ) ? \'true\' : \'false\';
// Exits script depending on save status
if ( $is_autosave || $is_revision || !$is_valid_nonce ) {
return;
}
// Checks for input and sanitizes/saves if needed
if( isset( $_POST[ \'post_value\' ] ) ) {update_post_meta( $post_id, \'post_value\', sanitize_text_field( $_POST[ \'post_value\' ] ) );}
add_action( \'save_post\', \'home_meta_save\' );
}
/**
* Adds the meta box stylesheet when appropriate
*/
function home_admin_styles(){global $typenow;
if( $typenow == \'page\' ) {wp_enqueue_style( \'meta_box_styles\', plugin_dir_url( __FILE__ ) . \'meta-box-styles.css\' );}}
add_action( \'admin_print_styles\', \'home_admin_styles\' );
}
?>