WordPress中设置Post Type自定义文章类型的实例教程

register_post_type( $post_type, $args );

function my_custom_post_product() {
  $args = array();
  register_post_type( 'product', $args ); 
}
add_action( 'init', 'my_custom_post_product' );

function my_custom_post_movie() {
 $labels = array(
  'name'        => _x( 'Movies', 'post type 名称' ),
  'singular_name'   => _x( 'Movie', 'post type 单个 item 时的名称，因为英文有复数' ),
  'add_new'      => _x( '新建电影', '添加新内容的链接名称' ),
  'add_new_item'    => __( '新建一个电影' ),
  'edit_item'     => __( '编辑电影' ),
  'new_item'      => __( '新电影' ),
  'all_items'     => __( '所有电影' ),
  'view_item'     => __( '查看电影' ),
  'search_items'    => __( '搜索电影' ),
  'not_found'     => __( '没有找到有关电影' ),
  'not_found_in_trash' => __( '回收站里面没有相关电影' ),
  'parent_item_colon' => '',
  'menu_name'     => 'Movies'
 );
 $args = array(
  'labels'    => $labels,
  'description'  => '我们网站的电影信息',
  'public'    => true,
  'menu_position' => 5,
  'supports'   => array( 'title', 'editor', 'thumbnail', 'excerpt', 'comments' ),
  'has_archive'  => true
 );
 register_post_type( 'movie', $args );
}
add_action( 'init', 'my_custom_post_movie' );

register_taxonomy( $taxonomy, $object_type, $args );

function my_taxonomies_movie() {
 $labels = array(
  'name'       => _x( '电影分类', 'taxonomy 名称' ),
  'singular_name'   => _x( '电影分类', 'taxonomy 单数名称' ),
  'search_items'   => __( '搜索电影分类' ),
  'all_items'     => __( '所有电影分类' ),
  'parent_item'    => __( '该电影分类的上级分类' ),
  'parent_item_colon' => __( '该电影分类的上级分类：' ),
  'edit_item'     => __( '编辑电影分类' ),
  'update_item'    => __( '更新电影分类' ),
  'add_new_item'   => __( '添加新的电影分类' ),
  'new_item_name'   => __( '新电影分类' ),
  'menu_name'     => __( '电影分类' ),
 );
 $args = array(
  'labels' => $labels,
  'hierarchical' => true,
 );
 register_taxonomy( 'movie_category', 'movie', $args );
}
add_action( 'init', 'my_taxonomies_movie', 0 );

add_meta_box( $id, $title, $callback, $post_type, $context,$priority, $callback_args );

add_action( 'add_meta_boxes', 'movie_director' );
function movie_director() {
  add_meta_box(
    'movie_director',
    '电影导演',
    'movie_director_meta_box',
    'movie',
    'side',
    'low'
  );
}

function movie_director_meta_box($post) {
  // 创建临时隐藏表单，为了安全
  wp_nonce_field( 'movie_director_meta_box', 'movie_director_meta_box_nonce' );
  // 获取之前存储的值
  $value = get_post_meta( $post->ID, '_movie_director', true );
  ?>
  <label for="movie_director"></label>
  <input type="text" id="movie_director" name="movie_director" value="<?php echo esc_attr( $value ); ?>" placeholder="输入导演名称" >
  <?php
}

add_action( 'save_post', 'movie_director_save_meta_box' );
function movie_director_save_meta_box($post_id){
  // 安全检查
  // 检查是否发送了一次性隐藏表单内容（判断是否为第三者模拟提交）
  if ( ! isset( $_POST['movie_director_meta_box_nonce'] ) ) {
    return;
  }
  // 判断隐藏表单的值与之前是否相同
  if ( ! wp_verify_nonce( $_POST['movie_director_meta_box_nonce'], 'movie_director_meta_box' ) ) {
    return;
  }
  // 判断该用户是否有权限
  if ( ! current_user_can( 'edit_post', $post_id ) ) {
    return;
  }
  // 判断 Meta Box 是否为空
  if ( ! isset( $_POST['movie_director'] ) ) {
    return;
  }
  $movie_director = sanitize_text_field( $_POST['movie_director'] );
  update_post_meta( $post_id, '_movie_director', $movie_director );
}

add_action("manage_posts_custom_column", "movie_custom_columns");
add_filter("manage_edit-movie_columns", "movie_edit_columns");
function movie_custom_columns($column){
  global $post;
  switch ($column) {
    case "movie_director":
      echo get_post_meta( $post->ID, '_movie_director', true );
      break;
  }
}
function movie_edit_columns($columns){
  $columns['movie_director'] = '导演';
  return $columns;
}

echo '导演：'.get_post_meta( get_the_ID(), '_movie_director', true );

$args = array( 'post_type' => 'product', 'posts_per_page' => 10 );
$loop = new WP_Query( $args );
while ( $loop->have_posts() ) : $loop->the_post();
 the_title();
 echo '<div class="entry-content">';
 the_content();
 echo '</div>';
endwhile;

add_action( 'pre_get_posts', 'add_my_post_types_to_query' );
function add_my_post_types_to_query( $query ) {
 if ( is_home() && $query->is_main_query() )
  $query->set( 'post_type', array( 'post', 'page', 'movie' ) );
 return $query;
}