@Transactional(propagation = Propagation.REQUIRED)
public String insert(Menu entity) {
if (entity == null) {
return "传入了空对象";
}
// 验证分栏名称
if (entity.getMenuName() == null || entity.getMenuName().length() == 0) {
return "请输入分栏名称";
}
List<User> list =
hibernateDao.queryListByHql(
QUERY_MENU_BY_NAME, new String[][] {new String[] {"menuName", entity.getMenuName()}});
if (list != null && list.size() > 0) {
return "分栏名称已存在，请重新输入";
}
// 数据持久化
hibernateDao.insert(entity);
return null;
}
@Transactional(propagation = Propagation.REQUIRED)
public String delete(Menu entity) {
String[][] param = new String[][] {new String[] {"menuId", entity.getMenuId()}};
hibernateDao.excuteHQL(DELETE_GROUP_BY_MENU, param);
hibernateDao.excuteHQL(DELETE_MENU_BY_RESOURCE, param);
hibernateDao.excuteHQL(DELETE_BY_MENU, param);
return null;
}
@Transactional(propagation = Propagation.REQUIRED)
public String update(Menu entity) {
if (entity == null) {
return "传入了空对象";
}
// 获取原数据
Menu oldMenu = hibernateDao.get(new Menu(), entity.getMenuId());
BeanUtil.beanToBean(entity, oldMenu);
// 验证组名称
if (!entity.getMenuName().equals(oldMenu.getMenuName())) {
if (entity.getMenuName() == null || entity.getMenuName().length() == 0) {
return "请输入分栏名称";
}
List<User> list =
hibernateDao.queryListByHql(
QUERY_MENU_BY_NAME, new String[][] {new String[] {"menuName", entity.getMenuName()}});
if (list != null && list.size() > 0) {
return "分栏名称已存在，请重新输入";
}
}
// 数据持久化
hibernateDao.update(entity);
return null;
}