function wpjam_form($form_fields, $form_url, $nonce_action = '', $submit_text = '')
{
    global $plugin_page;
    $nonce_action = $nonce_action ? $nonce_action : $plugin_page;
    wpjam_admin_errors();
    // 显示错误
    ?>
	<form method="post" action="<?php 
    echo $form_url;
    ?>
" enctype="multipart/form-data" id="form">
		<?php 
    wpjam_form_fields($form_fields);
    ?>
		<?php 
    wp_nonce_field($nonce_action);
    ?>
		<?php 
    wp_original_referer_field(true, 'previous');
    ?>
		<?php 
    if ($submit_text !== false) {
        submit_button($submit_text);
    }
    ?>
	</form>
	<?php 
}
    public function display($args = array())
    {
        global $plugin_page, $current_tab;
        if ($wpjam_page = wpjam_get_admin_page($plugin_page)) {
            $builtin_parent_pages = wpjam_get_builtin_parent_pages();
            $parent_slug = isset($wpjam_page['parent_slug']) ? $wpjam_page['parent_slug'] : '';
            if ($parent_slug && isset($builtin_parent_pages[$parent_slug])) {
                $form_url = $builtin_parent_pages[$parent_slug];
            } else {
                $form_url = 'admin.php';
            }
            $form_url = is_network_admin() ? network_admin_url($form_url) : admin_url($form_url);
        }
        extract(wp_parse_args($args, array('search' => true)));
        wpjam_admin_errors();
        $this->views();
        ?>
<form action="<?php 
        echo $form_url;
        ?>
" method="get">
	<input type="hidden" id="page" name="page" value="<?php 
        echo $plugin_page;
        ?>
">
	<?php 
        if (isset($current_tab)) {
            ?>
	<input type="hidden" id="tab" name="tab" value="<?php 
            echo $current_tab;
            ?>
">
	<?php 
        }
        ?>
	<?php 
        do_action('wpjam_list_table_hidden_fields', $plugin_page);
        ?>
	<?php 
        if ($search && $this->_pagination_args || isset($_GET['s'])) {
            $this->search_box('搜索', $this->_args['singular']);
        }
        ?>
	<?php 
        parent::display();
        ?>
</form>
<?php 
    }