通过 journal article id获取assetEntry的信息
JournalArticle journalArticle = JournalArticleLocalServiceUtil.getArticle(Long.parseLong(articleId));
long resourcePrimKey = journalArtcle.getResourcePrimKey();
AssetEntry assetEntry = AssetEntryLocalServiceUtil.getEntry(JournalArticle.class.getName(), resourcePrimKey);
[参考](https://liferay.dev/forums/-/message_boards/message/21649817)