后台元数据框代码
function myplugin_add_meta_box() { $screens = array( 'post', 'page','osetin_recipe' ); add_meta_box( 'myplugin_sectionid', 'Best work with', 'myplugin_meta_box_callback', $screens ); } add_action( 'add_meta_boxes', 'myplugin_add_meta_box' ); function myplugin_meta_box_callback( $post ) { wp_nonce_field( 'myplugin_save_meta_box_data', 'myplugin_meta_box_nonce' ); $value = get_post_meta( $post->ID, '_zzurl', true ); $value = explode("#",$value); ?> <div style="overflow: hidden"> <?php $args = array( 'post_status' => 'publish', 'post_type' => 'page', 'post_parent' => 1525, 'orderby' => 'menu_order', 'order' => 'ASC', 'nopaging' => true, ); $child_pages = get_posts($args); $count = count($child_pages); if ( $count > 0 ){ echo "<ul>"; foreach ($child_pages as $post) { setup_postdata($post); $title = $post->post_title; $id = $post->ID; ?> <div class="acf-field acf-taxonomy-field" style="width: 33.33%; float: left; padding: 9px 12px 0 0;"> <div class="acf-label"><label><?php echo $title ?></label></div> <div class="categorychecklist-holder"> <ul class="acf-checkbox-list acf-bl"> <?php $args1 = array( 'post_status' => 'publish', 'post_type' => 'page', 'post_parent' => $id, 'orderby' => 'menu_order', 'order' => 'ASC', 'nopaging' => true, ); $child_pages1 = get_posts($args1); $count1 = count($child_pages1); if ( $count1 > 0 ){ echo "<ul>"; //static $j = 0; foreach ($child_pages1 as $post1) { setup_postdata($post1); $title1 = $post1->post_title; $id1 = $post1->ID; //$value[$j]== ?> <li><label><input id="_zzurl[]" name="_zzurl[]" value='<?php echo $id1 ; ?>' <?php if(in_array($id1,$value)){echo "checked";};?> type="checkbox"> <span><?php echo $title1 ?></span></label></li> <?php //$j++; } }?> </ul> </div> </div> <?php } echo "</ul>"; }?> </div> <?php } function myplugin_save_meta_box_data( $post_id ) { if ( ! isset( $_POST['myplugin_meta_box_nonce'] ) ) { return; } if ( ! wp_verify_nonce( $_POST['myplugin_meta_box_nonce'], 'myplugin_save_meta_box_data' ) ) { return; } if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) { return; } if ( isset( $_POST['post_type'] ) && 'page' == $_POST['post_type'] ) { if ( ! current_user_can( 'edit_page', $post_id ) ) { return; } } else { if ( ! current_user_can( 'edit_post', $post_id ) ) { return; } } // if ( ! isset( $_POST['_zzurl'] ) ){ // return; // } $my_data=array(); for($z=0;$z<count($_POST['_zzurl']);$z++){ $my_data[$z] = $_POST['_zzurl'][$z]; } $data = implode("#",$my_data); $data = sanitize_text_field( $data ); if ( ! isset( $_POST['_zzurl'] ) ) { $data = ""; } update_post_meta( $post_id, '_zzurl', $data ); } add_action( 'save_post', 'myplugin_save_meta_box_data' );
前台页面显示代码
<?php $value = get_post_meta( $post->ID, '_zzurl', true ); $value = explode("#",$value); $countv = count($value); if( !empty($value[0]) ){ for ($i=0;$i<$countv;$i++){ $page = get_post($value[$i]); $count = count($page); if ( $count > 0 ){ $title = $page->post_title; $id = $value[$i]; ?> <div> 图:<?php echo get_the_post_thumbnail($id); ?> 链接<a href="<?php echo get_page_link($id); ?>"><?php echo $title; ?></a> </div> <?php } } }; ?>