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发表于 2013-6-10 13:56:39
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luguokankan 发表于 2013-6-10 13:51 
post里面要设置featured image
在这里面设置吗？
<?php
/*
Plugin Name: Single Post Template
Plugin URI: http://www.nathanrice.net/plugins
Description: This plugin allows theme authors to include single post templates, much like a theme author can use page template files.
Version: 1.3
Author: Nathan Rice
Author URI: http://www.nathanrice.net/
This plugin inherits the GPL license from it's parent system, WordPress.
*/
// This function scans the template files of the active theme,
// and returns an array of [Template Name => {file}.php]
if(!function_exists('get_post_templates')) {
function get_post_templates() {
$themes = get_themes();
$theme = get_current_theme();
$templates = $themes[$theme]['Template Files'];
$post_templates = array();
$base = array(trailingslashit(get_template_directory()), trailingslashit(get_stylesheet_directory()));
foreach ((array)$templates as $template) {
$template = WP_CONTENT_DIR . str_replace(WP_CONTENT_DIR, '', $template);
$basename = str_replace($base, '', $template);
// don't allow template files in subdirectories
if (false !== strpos($basename, '/'))
continue;
$template_data = implode('', file( $template ));
$name = '';
if (preg_match( '|Single Post Template .*)$|mi', $template_data, $name))
$name = _cleanup_header_comment($name[1]);
if (!empty($name)) {
if(basename($template) != basename(__FILE__))
$post_templates[trim($name)] = $basename;
}
}
return $post_templates;
}}
// build the dropdown items
if(!function_exists('post_templates_dropdown')) {
function post_templates_dropdown() {
global $post;
$post_templates = get_post_templates();
foreach ($post_templates as $template_name => $template_file) { //loop through templates, make them options
if ($template_file == get_post_meta($post->ID, '_wp_post_template', true)) { $selected = ' selected="selected"'; } else { $selected = ''; }
$opt = '<option value="' . $template_file . '"' . $selected . '>' . $template_name . '</option>';
echo $opt;
}
}}
// Filter the single template value, and replace it with
// the template chosen by the user, if they chose one.
add_filter('single_template', 'get_post_template');
if(!function_exists('get_post_template')) {
function get_post_template($template) {
global $post;
$custom_field = get_post_meta($post->ID, '_wp_post_template', true);
if(!empty($custom_field) && file_exists(TEMPLATEPATH . "/{$custom_field}")) {
$template = TEMPLATEPATH . "/{$custom_field}"; }
return $template;
}}
// Everything below this is for adding the extra box
// to the post edit screen so the user can choose a template
// Adds a custom section to the Post edit screen
add_action('admin_menu', 'pt_add_custom_box');
function pt_add_custom_box() {
if(get_post_templates() && function_exists( 'add_meta_box' )) {
add_meta_box( 'pt_post_templates', __( 'Single Post Template', 'pt' ),
'pt_inner_custom_box', 'post', 'normal', 'high' ); //add the boxes under the post
}
}
// Prints the inner fields for the custom post/page section
function pt_inner_custom_box() {
global $post;
// Use nonce for verification
echo '<input type="hidden" name="pt_noncename" id="pt_noncename" value="' . wp_create_nonce( plugin_basename(__FILE__) ) . '" />';
// The actual fields for data entry
echo '<label class="hidden" for="post_template">' . __(" ost Template", 'pt' ) . '</label><br />';
echo '<select name="_wp_post_template" id="post_template" class="dropdown">';
echo '<option value="">Default</option>';
post_templates_dropdown(); //get the options
echo '</select><br /><br />';
echo '<p>' . __("Some themes have custom templates you can use for single posts that might have additional features or custom layouts. If so, you’ll see them above.", 'pt' ) . '</p><br />';
}
// When the post is saved, saves our custom data
add_action('save_post', 'pt_save_postdata', 1, 2); // save the custom fields
function pt_save_postdata($post_id, $post) {
// verify this came from the our screen and with proper authorization,
// because save_post can be triggered at other times
if ( !wp_verify_nonce( $_POST['pt_noncename'], plugin_basename(__FILE__) )) {
return $post->ID;
}
// Is the user allowed to edit the post or page?
if ( 'page' == $_POST['post_type'] ) {
if ( !current_user_can( 'edit_page', $post->ID ))
return $post->ID;
} else {
if ( !current_user_can( 'edit_post', $post->ID ))
return $post->ID;
}
// OK, we're authenticated: we need to find and save the data
// We'll put the data into an array to make it easier to loop though and save
$mydata['_wp_post_template'] = $_POST['_wp_post_template'];
// Add values of $mydata as custom fields
foreach ($mydata as $key => $value) { //Let's cycle through the $mydata array!
if( $post->post_type == 'revision' ) return; //don't store custom data twice
$value = implode(',', (array)$value); //if $value is an array, make it a CSV (unlikely)
if(get_post_meta($post->ID, $key, FALSE)) { //if the custom field already has a value...
update_post_meta($post->ID, $key, $value); //...then just update the data
} else { //if the custom field doesn't have a value...
add_post_meta($post->ID, $key, $value);//...then add the data
}
if(!$value) delete_post_meta($post->ID, $key); //and delete if blank
}
}
?>
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发表于 2013-6-10 13:39:48
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