WordPress 后台直接复制文章

代码展示

// 复制文章
function zm_clone_post_as_draft() {
  global $wpdb;
  if (! ( isset( $_GET['post']) || isset( $_POST['post'])  || ( isset($_REQUEST['action']) && 'zm_clone_post_as_draft' == $_REQUEST['action'] ) ) ) {
    wp_die('No post to clone has been supplied!');
  }
 
  //  Nonce 验证
  if ( !isset( $_GET['clone_nonce'] ) || !wp_verify_nonce( $_GET['clone_nonce'], basename( __FILE__ ) ) )
  return;
 
  // 获取原文章ID
  $post_id = (isset($_GET['post']) ? absint( $_GET['post'] ) : absint( $_POST['post'] ) );
 
  // 所有文章数据
  $post = get_post( $post_id );
 
  // 如果不希望当前用户作为新文章作者,将下两行替换为$new_post_author = $post->post_author;
  $current_user = wp_get_current_user();
  $new_post_author = $current_user->ID;
 
  // 如果发布数据存在,则创建发布克隆
  if (isset( $post ) && $post != null) {
 
  // 创建新文章数组
    $args = array(
      'comment_status' => $post->comment_status,
      'ping_status'    => $post->ping_status,
      'post_author'    => $new_post_author,
      'post_content'   => $post->post_content,
      'post_excerpt'   => $post->post_excerpt,
      'post_name'      => $post->post_name,
      'post_parent'    => $post->post_parent,
      'post_password'  => $post->post_password,
      'post_status'    => 'draft',
      'post_title'     => $post->post_title,
      'post_type'      => $post->post_type,
      'to_ping'        => $post->to_ping,
      'menu_order'     => $post->menu_order
    );
 
    // 通过wp_insert_post() 函数添加文章
    $new_post_id = wp_insert_post( $args );
 
    // 将新的文章设置为草稿
    $taxonomies = get_object_taxonomies($post->post_type); // 返回文章类型的分类数组,例如:array("category", "post_tag");
    foreach ($taxonomies as $taxonomy) {
      $post_terms = wp_get_object_terms($post_id, $taxonomy, array('fields' => 'slugs'));
      wp_set_object_terms($new_post_id, $post_terms, $taxonomy, false);
    }
 
    // 查询复制所有文章信息 post meta
    $post_meta_infos = $wpdb->get_results("SELECT meta_key, meta_value FROM $wpdb->postmeta WHERE post_id=$post_id");
    if (count($post_meta_infos)!=0) {
      $sql_query = "INSERT INTO $wpdb->postmeta (post_id, meta_key, meta_value) ";
      foreach ($post_meta_infos as $meta_info) {
        $meta_key = $meta_info->meta_key;
        if( $meta_key == '_wp_old_slug' ) continue;
        $meta_value = addslashes($meta_info->meta_value);
        $sql_query_sel[]= "SELECT $new_post_id, '$meta_key', '$meta_value'";
      }
      $sql_query.= implode(" UNION ALL ", $sql_query_sel);
      $wpdb->query($sql_query);
    }
    wp_redirect( admin_url( 'edit.php?post_type='.$post->post_type ) );
    exit;
  } else {
    wp_die('Post creation failed, could not find original post: ' . $post_id);
  }
}
add_action( 'admin_action_zm_clone_post_as_draft', 'zm_clone_post_as_draft' );
 
 
// 复制文章并添加到列表
function zm_clone_post_link( $actions, $post ) {
  if (current_user_can('edit_posts')) {
    $actions['clone'] = '<a href="' . wp_nonce_url('admin.php?action=zm_clone_post_as_draft&post=' . $post->ID, basename(__FILE__), 'clone_nonce' ) . '" title="Clone this '.$post->post_type.'" rel="permalink">复制</a>';
  }
  return $actions;
}
 
add_filter( 'post_row_actions', 'zm_clone_post_link', 10, 2 );
add_filter('page_row_actions', 'zm_clone_post_link', 10, 2);


 

使用教程

将代码添加到当前主题函数模板 functions.php 中即可

版权声明:异客 发表于 2022年7月31日 09:13。
转载请注明:WordPress 后台直接复制文章 | 异客导航

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