@Override
public List<Message> queryDisplayMessage(String sort, Integer page, Integer size) {
MessageExample messageExample = new MessageExample();
messageExample.createCriteria().andDisplayEqualTo(true);
String limitSql = "";
if (size != null && size > 0) {
if (page != null && page > 0) {
limitSql += " limit " + (page - 1) * size + "," + size;
} else {
limitSql += " limit " + size;
}
}
if (sort != null && !"".equals(sort)) {
messageExample.setOrderByClause(sort + limitSql);
} else {
messageExample.setOrderByClause("id desc" + limitSql);
}
return messageMapper.selectByExampleWithBLOBs(messageExample);
}
@Override
public int countDisplayMessage() {
MessageExample messageExample = new MessageExample();
messageExample.createCriteria().andDisplayEqualTo(true);
return messageMapper.countByExample(messageExample);
}
@Override
public int updateMessage(Message message) {
return messageMapper.updateByPrimaryKeySelective(message);
}
public int queryMessageCount() {
return messageMapper.countByExample(null);
}
public int delete(Integer id) {
return messageMapper.deleteByPrimaryKey(id);
}
public void insert(Message message) {
messageMapper.insert(message);
}