userservice.java

JAVA +MySql小型用户管理系统 运用Strust+Spring+Hibernate 3框架 实现mvc jsp融合JavaScript+Ajax 技术 程序还有待完善

package com.test.struts.service;

import java.util.List;

import com.test.struts.dao.UserDaoImpl;
import com.test.struts.domain.User;

public class UserService implements UserServiceImpl {
	private UserDaoImpl userDao;
	private List<User> users;

	public void setUserDao(UserDaoImpl userDao) {

		this.userDao = userDao;

	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.test.struts.service.UserServiceImpl#checkUser(java.lang.String,
	 * java.lang.String)
	 */
	public User loginUser(User user) {

		System.out.println("用户名：" + user.getUsername() + "  密码："
				+ user.getPassword());
		users=userDao.findByExample(user);
		if(users.size()>=1){
			System.out.println("找到该用户");
			return  users.get(0);
		}else{
			System.out.println("没有找到该用户");
			return  null;
		}
			
	}

	public boolean addUser(User user) {
		try {
			userDao.save(user);
			return true;
		} catch (Exception e) {
			e.getMessage();
			return false;

		}
	}

	public List<User> findAllUsers() {
		return users = userDao.findAll();
	}

	public User findUser(Integer id) {
		System.out.println("用户ID:" + id);
		return userDao.findById(id);
	}

	public boolean updateUser(User user) {
		try {
			System.out.println("用户准备保存");
			userDao.attachDirty(user);
			System.out.println("用户保存中~~~~~~");
			return true;
		} catch (Exception e) {
			e.getMessage();
			return false;
		}
	}

	public boolean deleteUser(User user) {

		try {
			System.out.println("用户准备删除");
			userDao.delete(user);
			System.out.println("用户删除中~~~~~~");
			return true;
		} catch (Exception e) {
			e.getMessage();
			return false;
		}
	}

	public User findUsername(Object username) {
		try {
			System.out.println("用户准备查找username: "+username);
			if (userDao.findByUsername(username).size() >= 1) {
				System.out.println("用户查找usernamew完毕");
				return userDao.findByUsername(username).get(0);
			} else {
				return null;
			}
		} catch (Exception e) {
			e.getMessage();
			return null;
		}
	}
}