Action层:
public String edit(){
Folder folder = folderService.findById(model.getId());
folder.setName(model.getName());
folder.setDescription(model.getDescription());
if (parentId != null) {
Folder parent = folderService.findById(parentId);
model.setParent(parent);
} else {
model.setParent(null);
}
folderService.update(folder);
return "toList";
}
serviceImpl层:
public void update(Folder folder) {
folderDao.update(folder);
}
BaseDao:
public interface IBaseDao<T> {
/**
* 添加
*/
public void save(T entity);
/**
* 根据id删除
*/
public void delete(Long id);
/**
* 根据id修改
*/
public void update(T entity);
/**
* 根据id查询
*/
public T getById(Long id);
/**
* 一次查询多个对象
*/
public List<T> getByIds(Long[] ids);
/**
* 查询所有
*/
public List<T> findAll();
/**
* 公共分页方法
*/
public PageBean getPageBean(HQLHelper hh, int currentPage);
}
BaseDaoImpl:
@Resource
private SessionFactory sessionFactory;
private Class<T> clazz;
public BaseDaoImpl() {
//获得实体类型
ParameterizedType genericSuperclass = (ParameterizedType) this.getClass().getGenericSuperclass();//获得真正的父类
Type[] types = genericSuperclass.getActualTypeArguments();
clazz = (Class<T>) types[0];
}
public void save(T entity) {
getSession().save(entity);
}
public void delete(Long id) {
getSession().delete(getSession().get(clazz, id));
}
public void update(T entity) {
getSession().update(entity);
}
