package com.estore.struts.service;import java.util.Collection;import com.estore.struts.Globals;import com.estore.struts.dao.UserDao;import com.estore.struts.entity.OrderItem;import com.estore.struts.entity.User;import com.estore.struts.entity.UserItem;import com.estore.struts.utils.DaoFactory;import com.estore.struts.utils.StoreException;public class UserService {	private UserDao userDao = (UserDao) DaoFactory.getInstance().getDao(			Globals.USER_DAO);	/*	 * 判斷擁護(hù)的登陸是否成功,也就是查看數(shù)據(jù)庫(kù)中有無(wú)該用戶的存在;	 */	public boolean isLoginCorrect(String username, String password) {		User user = userDao.getUserByName(username);		if (user == null)			return false;		if (user.getPassword().equals(password)) {			return true;		} else {			return false;		}	}	/*	 * 注冊(cè)	 */	public void register(User user) {		userDao.addUser(user);	}		/*	 * 增加	 */	public void addUser(User user) {		userDao.addUser(user);	}	/*	 * 判斷用戶是否存在	 */	public boolean isUserExist(User user) {		return userDao.isUserExist(user.getUsername());	}	/*	 * 根據(jù)名字查找	 */	public User getUserByName(String name) {		return userDao.getUserByName(name);	}	/*	 * 查找屬于某個(gè)用戶的所有useritem信息	 */	public Collection<UserItem> getUserItem(User user) {		return userDao.getUserItem(user);	}	/*	 * 添加一個(gè)useritem信息	 */	public void addUserItem(UserItem useritem) {		userDao.addUserItem(useritem);	}	/*	 * 根據(jù)給定的id號(hào)查找指定的useritem信息	 */	public UserItem getUserItemById(Integer useritemid) {		return userDao.getUserItemById(useritemid);	}	/*	 * 根據(jù)給定的id號(hào)刪除指定的useritem信息	 */	public void deleteUserItem(Integer id) {		userDao.deleteUserItem(id);	}		public Collection<User> findAllUser(){		return userDao.alluser();	}		public void deleteUser(User user){		userDao.deleteUser(user);	}		public void modifyUser(User user){		userDao.modify(user);	}}