这将在附件编辑屏幕中添加一个字段，用于将类应用于img标记。

function IMGattachment_fields($form_fields, $post) {
    $form_fields["imageClass"]["label"] = __("Image Class");
    $form_fields["imageClass"]["value"] = get_post_meta($post->ID, "_imageClass", true);
    return $form_fields;
}
add_filter("attachment_fields_to_edit", "IMGattachment_fields", null, 2);
function my_image_attachment_fields_save($post, $attachment) {
    if ( isset($attachment[\'imageClass\']) )
    update_post_meta($post[\'ID\'], \'_imageClass\', $attachment[\'imageClass\']);
    return $post;
}
add_filter("attachment_fields_to_save", "my_image_attachment_fields_save", null, 2);

您只需将此添加到您的主题functions.php 文件：

/**
* Attach a class to linked images\' parent anchors
* e.g. a img => a.img img
*/
function give_linked_images_class($html, $id, $caption, $title, $align, $url, $size, $alt = \'\' ) {
    $classes = \'img\'; // separated by spaces, e.g. \'img image-link\'

    // check if there are already classes assigned to the anchor
    if ( preg_match(\'/<a.*? class=".*?">/\', $html) ) {
    $html = preg_replace(\'/(<a.*? class=".*?)(".*?>)/\', \'$1 \' . $classes . \'$2\', $html);
    } else {
     $html = preg_replace(\'/(<a.*?)>/\', \'$1 class="\' . $classes . \'" >\', $html);
    }
    return $html;
}

add_filter(\'image_send_to_editor\',\'give_linked_images_class\',10,8);

这将在附件编辑屏幕中添加一个字段，用于将类应用于img标记。

function IMGattachment_fields($form_fields, $post) {
    $form_fields["imageClass"]["label"] = __("Image Class");
    $form_fields["imageClass"]["value"] = get_post_meta($post->ID, "_imageClass", true);
    return $form_fields;
}
add_filter("attachment_fields_to_edit", "IMGattachment_fields", null, 2);
function my_image_attachment_fields_save($post, $attachment) {
    if ( isset($attachment[\'imageClass\']) )
    update_post_meta($post[\'ID\'], \'_imageClass\', $attachment[\'imageClass\']);
    return $post;
}
add_filter("attachment_fields_to_save", "my_image_attachment_fields_save", null, 2);

您只需将此添加到您的主题functions.php 文件：

/**
* Attach a class to linked images\' parent anchors
* e.g. a img => a.img img
*/
function give_linked_images_class($html, $id, $caption, $title, $align, $url, $size, $alt = \'\' ) {
    $classes = \'img\'; // separated by spaces, e.g. \'img image-link\'

    // check if there are already classes assigned to the anchor
    if ( preg_match(\'/<a.*? class=".*?">/\', $html) ) {
    $html = preg_replace(\'/(<a.*? class=".*?)(".*?>)/\', \'$1 \' . $classes . \'$2\', $html);
    } else {
     $html = preg_replace(\'/(<a.*?)>/\', \'$1 class="\' . $classes . \'" >\', $html);
    }
    return $html;
}

add_filter(\'image_send_to_editor\',\'give_linked_images_class\',10,8);