我已经注册了应该加载到head部分的脚本。但出于某种原因，我没有把这些链接加载到head中。这些脚本不是在页眉中加载，而是在页脚中加载。

 add_action(\'init\', \'my_enqueued_assets\');

    function my_enqueued_assets() { 
        //Register Css
        wp_register_style(\'my-css\', MY_PLUGIN_URL.\'css/my_styles.css\'); 
        wp_register_style(\'my-admin-css\', MY_PLUGIN_URL.\'css/my_admin_styles.css\'); 
        //Register JS 
        wp_register_script(\'my-jquery-min\', MY_PLUGIN_URL.\'js/jquery-3.2.1.min.js\');
        wp_register_script(\'my-script-min\', MY_PLUGIN_URL.\'js/my_isotope.min.js\');
        wp_register_script(\'my-script\', MY_PLUGIN_URL.\'js/my_isotope.js\', array(\'jquery\'), my_PLUGIN_VERSION, false );
        wp_register_script(\'my-lightbox-script\', MY_PLUGIN_URL.\'js/my-lightbox.js\', array(\'jquery\'), my_PLUGIN_VERSION, false );
        wp_register_script(\'my-prefix-script\',MY_PLUGIN_URL.\'/js/myscript.js\', array(\'jquery\'), \'0.1\',false );
    }

我将这些脚本加载到shortcode中，以便在只使用或调用shortcode时加载脚本和样式。

function my_shortcodes_init()
{
    function my_shortcode($atts = [], $content = null)
    {
        //default portfolio value
        $id = 1;
        wp_enqueue_style(\'my-css\'); 
        wp_enqueue_script(\'my-jquery-min\');
        wp_enqueue_script(\'my-script-min\'); 
        wp_enqueue_script(\'my-script\');
        wp_enqueue_script(\'my-lightbox-script\');

        if (isset($atts["id"])) {
            $id = $atts["id"];
        }       
        require MY_PLUGIN_DIR.\'views/isotope.php\';
    }
    add_shortcode(\'MY_GALLERY\', \'my_shortcode\');
}
add_action(\'init\', \'my_shortcodes_init\');

wp_enqueue_script( $handle, $src, $deps, $ver, $in_footer );