WordPress主题添加自定义文章类型register_post_type和分类法

/* Register Custom Post Type */

add_action( 'init', 'create_products_post_type' );

// add portfolio

function create_products_post_type() {

	$labels = array(

		'name'               => __('产品', 'WPGP'),

		'singular_name'      => __('产品', 'WPGP'),

		'add_new'            => __('添加', 'WPGP'),

		'add_new_item'       => __('新增产品', 'WPGP'),

		'edit_item'          => __('编辑产品', 'WPGP'),

		'new-item'           => __('新增产品', 'WPGP'),

		'view_item'          => __('查看产品', 'WPGP'),

		'search_items'       => __('搜索产品', 'WPGP'),

		'not_found'          => __('未找到产品', 'WPGP'),

		'not_found_in_trash' => __('垃圾箱未找到产品', 'WPGP'),

		'parent_item_colon'  => '',

	);

	$args = array(

		'labels'             => $labels,

		'show_ui'            => true,  // Whether to generate a default UI for managing this post type in the admin

		'query_var'          => true,

		'show_in_nav_menus'  => false,

		'public'             => true,  // Controls how the type is visible to authors and readers

		'capability_type'    => 'post',

		'hierarchical'       => false,

		'menu_icon'          => 'dashicons-format-gallery', // use a font icon, e.g. 'dashicons-chart-pie'

		'has_archive'        => true,  // Enables post type archives

		'rewrite'            => array( 'slug' => 'products' ),

		'supports'           => array( 'title', 'editor',  'thumbnail', 'excerpt', 'comments', 'custom-fields', 'page-attributes' ),

		'can_export'         => true,

	);

	register_post_type( 'products', $args );

}

add_action( 'init', 'register_products_taxonomy');

// create two taxonomies, genres and writers for the post type "book"

function register_products_taxonomy() {

	// Add new taxonomy, make it hierarchical (like categories)

	$labels = array(

		'name'              => __('产品分类', 'WPGP'),

		'singular_name'     => __('产品分类', 'WPGP'),

		'menu_name'         => __('产品分类', 'WPGP'),

		'search_items'      => __('搜索', 'WPGP'),

		'all_items'         => __('所有产品分类', 'WPGP'),

		'parent_item'       => __( '该产品分类的上级分类' ),

		'parent_item_colon' => __( '该产品分类的上级分类：' ),

		'edit_item'         => __('编辑产品分类', 'WPGP'),

		'update_item'       => __('更新产品分类', 'WPGP'),

		'add_new_item'      => __('添加新的产品分类', 'WPGP'),

		'new_item_name'     => __('新的产品分类', 'WPGP'),

	);

	$args = array(

		'hierarchical'      => true,

		'labels'            => $labels,

		'show_ui'           => true,

		'show_in_menu'      => true,

		'show_in_nav_menus' => true,   

		'query_var'         => true,

		'has_archive'       => false,

                'show_admin_column' => true,

		'rewrite'           => array( 'slug' => 'product' ),

	);

	register_taxonomy( 'product', 'products', $args );

}

// admin page products orderby

add_filter( 'parse_query', 'sort_products_by_date' );

function sort_products_by_date() {

	global $pagenow;

	if ( is_admin() && $pagenow =='edit.php' &&  !empty($_GET['post_type'] == 'products') && !isset($_GET['post_status']) && !isset($_GET['orderby']) ) {

		wp_redirect( admin_url('edit.php?post_type=products&orderby=date&order=desc') );

		exit;

	}

}