public List<Post> selectByArtId(String id) {
if (id == null) return null;
Long artId = Long.parseLong(id);
PostExample e = new PostExample();
e.createCriteria().andArtIdEqualTo(artId);
return postMapper.selectByExample(e);
}
public void save(Post post) {
post.setStatus(1);
post.setAddTime(new Date());
post.setUpdateTime(new Date());
post.setUserId(AppContext.getUser().getRecId());
postMapper.insert(post);
}