usermanagerimpl.java

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package org.yeeku.service.impl;

import org.yeeku.dao.*;
import org.yeeku.model.*;
import org.yeeku.service.UserManager;
import java.util.List;
import java.sql.Time;
import java.util.Date;

public class UserManagerImpl implements UserManager
{
	private UserDao userDao;
	public void setUserDao(UserDao userDao)
	{
		this.userDao = userDao;
	}

    /**
     * 新增用户
     * @param user 新增用户的用户名
     * @param pass 新增用户的密码
     * @param email 新增用户的电子邮件
	 * @return 新增用户的主键
     */
    public int addUser(String user , String pass,String LastTime)
		throws Exception
	{
		try
		{
			User u = new User();
			u.setUser(user);
			u.setPass(pass);
                        u.setGrade("1");
			u.setLastTime(LastTime);
                        u.setTotalMessage(0);
                        u.setNewMessage(0);
			userDao.save(u);
			return u.getId();
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("新增用户时出现异常");
		}
	}

    /**
     * 验证用户登陆
     * @param user 需要登陆的用户名
     * @param pass 需要登陆的密码
	 * @return 是否登陆成功
     */
    public int loginValid(String user , String pass) 
		throws Exception
	{
		try
		{
			User u = userDao.findUserByNameAndPass(user , pass);
			if (u != null)
			{
				return u.getId();
			}
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("验证用户登陆时出现异常");
		}
		return -1;
	}

    /**
     * 验证用户名是否可用，如果系统中已有该用户名，则不可用。
     * @param user 需要验证的用户名
	 * @return 用户名是否可用
     */
	public boolean validateName(String user)
		throws Exception
	{
		try
		{
			if (userDao.findUserByName(user) == null)
			{
				return true;
			}
			return false;
		}
		catch (Exception e)
		{
			throw new Exception("验证用户名是否有效出错！");
		}

	}
   public List<Message> checkNewMessage(String name)throws Exception
    {
        try
	      {
			List u= userDao.checkNewMessage(name);
			if (u != null)
			{
				return u;
			}
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("checkNewMessage时出现异常");
		}
                return null;
             
	  
      }
     public List<Message> getMessage(String name)throws Exception
     {
           try
	      {
			List<Message> u= userDao.getMessageByName(name);
			if (u != null)
			{
				return u;
			}
	        }
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("getMessage时出现异常");
		}
              return null;
              
	  
      }
      public  List<Message> getMessagefrom(String fromname,String username)throws Exception
        {
          
           try
	      {
			List<Message> u= userDao.getMessageFrom(fromname,username);
			if (u != null)
			{
				return u;
			}
	        }
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("getMessage时出现异常");
		}
              return null;
        }
      public boolean addMessage(String strFrom,String strTo,String strContent,String strTitle,String datetime)throws Exception
     {
        try
		{
			Message u = new Message();
			u.setToUser(strTo);
			u.setFromUser(strFrom);
			u.setTitle(strTitle);
                        u.setIsnew(1);
                        u.setContent(strContent);
                        u.setMessageTime(datetime);
			userDao.saveMessage(u);
			
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("消息插入时出现异常");
                    
		}
           return true;
	}
   public boolean deleteMessage(int id)throws Exception
     {
         try
		{
			userDao.deleteMessage(id);
			
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("删除时出现异常");
                     
		}
		return true;
	} 
      public boolean modify(int id)throws Exception
       {
          try
		{
			User user=userDao.get(id);
                       userDao.update(user);
			
		}
		catch (Exception e)
		{
			e.printStackTrace();
			throw new Exception("修改时出现异常");
                     
		}
		return true;
        }

}