我們有些時(shí)候在WordPress后臺(tái)編輯文章的時(shí)候希望頁(yè)面和文章要復(fù)制后重新編輯，如果我們?cè)偈止?fù)制有點(diǎn)效率低。這里我們可以用一些插件實(shí)現(xiàn)，比如Post Duplicator，這里我們直接不用插件用代碼實(shí)現(xiàn)也可以。

// 復(fù)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 驗(yàn)證
if ( !isset( $_GET['clone_nonce'] ) || !wp_verify_nonce( $_GET['clone_nonce'], basename( __FILE__ ) ) )
return;
// 獲取原文章ID
$post_id = (isset($_GET['post']) ? absint( $_GET['post'] ) : absint( $_POST['post'] ) );
// 所有文章數(shù)據(jù)
$post = get_post( $post_id );
// 如果不希望當(dāng)前用戶作為新文章作者，將下兩行替換為$new_post_author = $post->post_author;
$current_user = wp_get_current_user();
$new_post_author = $current_user->ID;
// 如果發(fā)布數(shù)據(jù)存在，則創(chuàng)建發(fā)布克隆
if (isset( $post ) && $post != null) {
// 創(chuàng)建新文章數(shù)組
$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
);
// 通過(guò)wp_insert_post() 函數(shù)添加文章
$new_post_id = wp_insert_post( $args );
// 將新的文章設(shè)置為草稿
$taxonomies = get_object_taxonomies($post->post_type); // 返回文章類型的分類數(shù)組，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);

}




// 查詢復(fù)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' );







// 復(fù)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">復(fù)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);

這里我們丟到 functions.php 文件然后可以在文章列表可以看到復(fù)制按鈕，復(fù)制后就變成草稿。我們就可以繼續(xù)編輯文章。