wordpress自定义编辑器模块

// 自定义文章编辑器
$new_meta_boxes =
array(
    "shoplink" => array(
        "name" => "shoplink",
        "std" => "",
        "title" => "商品链接:"),
    "jiage" => array(
        "name" => "jiage",
        "std" => "",
        "title" => "商品价格:")
);
function new_meta_boxes() {
    global $post, $new_meta_boxes;

    foreach($new_meta_boxes as $meta_box) {
        $meta_box_value = get_post_meta($post->ID, $meta_box[‘name‘].‘_value‘, true);

        if($meta_box_value == "")
            $meta_box_value = $meta_box[‘std‘];

        echo‘<input type="hidden" name="‘.$meta_box[‘name‘].‘_noncename" id="‘.$meta_box[‘name‘].‘_noncename" value="‘.wp_create_nonce( plugin_basename(__FILE__) ).‘" />‘;

        // 自定义字段标题
        echo‘<h4>‘.$meta_box[‘title‘].‘</h4>‘;

        // 自定义字段输入框
        echo ‘<textarea cols="40" rows="2" name="‘.$meta_box[‘name‘].‘_value">‘.$meta_box_value.‘</textarea><br />‘;
    }
}
function create_meta_box() {
    global $theme_name;

    if ( function_exists(‘add_meta_box‘) ) {
        add_meta_box( ‘new-meta-boxes‘, ‘优惠券信息‘, ‘new_meta_boxes‘, ‘post‘, ‘normal‘, ‘high‘ );
    }
}
function save_postdata( $post_id ) {
    global $post, $new_meta_boxes;

    foreach($new_meta_boxes as $meta_box) {
        if ( !wp_verify_nonce( $_POST[$meta_box[‘name‘].‘_noncename‘], plugin_basename(__FILE__) ))  {
            return $post_id;
        }

        if ( ‘page‘ == $_POST[‘post_type‘] ) {
            if ( !current_user_can( ‘edit_page‘, $post_id ))
                return $post_id;
        }
        else {
            if ( !current_user_can( ‘edit_post‘, $post_id ))
                return $post_id;
        }

        $data = $_POST[$meta_box[‘name‘].‘_value‘];

        if(get_post_meta($post_id, $meta_box[‘name‘].‘_value‘) == "")
            add_post_meta($post_id, $meta_box[‘name‘].‘_value‘, $data, true);
        elseif($data != get_post_meta($post_id, $meta_box[‘name‘].‘_value‘, true))
            update_post_meta($post_id, $meta_box[‘name‘].‘_value‘, $data);
        elseif($data == "")
            delete_post_meta($post_id, $meta_box[‘name‘].‘_value‘, get_post_meta($post_id, $meta_box[‘name‘].‘_value‘, true));
    }
}
add_action(‘admin_menu‘, ‘create_meta_box‘);
add_action(‘save_post‘, ‘save_postdata‘);

add_action("manage_posts_custom_column",  "product_custom_columns");
add_filter("manage_edit-product_columns", "product_edit_columns");

<?php 
$shoplink = get_post_meta($post->ID,‘shoplink_value‘,true);
$jiage = get_post_meta($post->ID,‘jiage_value‘,true);
//去掉空格和多余的html
$shoplink = trim(strip_tags($shoplink));
$jiage = trim(strip_tags($jiage));
?>

<p>商品价格：<?php echo $jiage; ?></p>
<a href="<?php echo $shoplink; ?>" target="_blank">商品链接</a>

<?php echo get_post_meta($post->ID,‘shoplink_value‘,true); ?>
<?php echo get_post_meta($post->ID,‘jiage_value‘,true); ?>