categorydao.java

达内网上购物系统

package org.whatisjava.dang.dao;

import java.util.List;

import org.whatisjava.dang.domain.Category;
import org.whatisjava.dang.util.DaoException;

public interface CategoryDao {

	public Category findById(Integer id, boolean withSub) throws DaoException;

	public List<?> findByParentId(Integer parentId) throws DaoException;

	public Category findThreeLevelById(Integer id) throws DaoException;
}