userserviceimpl.java

随着信息技术的飞速发展、网上信息量发布的不断增大。针对文章管理这一环节

package com.web.user.service.impl;

import java.util.Date;
import java.util.List;


import com.web.common.bean.Article;
import com.web.common.bean.ArticleUser;
import com.web.common.transaction.BeanFactory;
import com.web.common.transaction.HibernateTransaction;
import com.web.user.dao.IUserDao;
import com.web.user.exception.UserException;
import com.web.user.service.IUserService;

public class UserServiceImpl implements IUserService {
	private IUserDao userDao=(IUserDao)BeanFactory.getBean("userDao");
	public List findAllArticle() throws UserException {
		HibernateTransaction ht = new HibernateTransaction();
		ht.beginTransaction();
		try{			
			List list = userDao.findAllArticle();
			System.out.println("userDao::::"+list);
			System.out.println("pppppppppppp"+list.size());
			
			if(list.size()<1){
				throw new UserException("文章不存在！！");
			}else{	
				ht.commit();
				return list;
			}
		}catch(Exception e){
			ht.rollback();
			e.printStackTrace();
		}
		
		return null;
	}

	public ArticleUser findUser(String loginName) throws UserException {
		HibernateTransaction ht = new HibernateTransaction();
		ht.beginTransaction();
		try{			
			ArticleUser user = userDao.findUser(loginName);
			if(user==null){
				throw new UserException("查找的用户不存在！！");
			}else{	
				ht.commit();
				return user;
			}
		}catch(Exception e){
			ht.rollback();
			e.printStackTrace();
		}
		
		return null;
	}
	
	public ArticleUser findUser(String loginname, String password) throws UserException {
		HibernateTransaction ht = new HibernateTransaction();
		ht.beginTransaction();
		try{			
			ArticleUser user = userDao.findUser(loginname, password);
			if(user==null){
				throw new UserException("查找的用户不存在！！");
			}else{	
				ht.commit();
				return user;
			}
		}catch(Exception e){
			ht.rollback();
			e.printStackTrace();
		}
		
		return null;
	}
	public void save(ArticleUser user) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			userDao.save(user);
			ht.commit();
		}catch(Exception e){			
			e.printStackTrace();			
		}			
	}

	public void saveOrupdate(ArticleUser user) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			userDao.saveOrupdate(user);
			ht.commit();
		}catch(Exception e){
			
			e.printStackTrace();			
		}			
	}

	public List findArticleByCondition(String type, 
			Date startDate, Date endDate, String orderby, boolean flag) throws UserException {
		try{
			System.out.println("===========service======"+type);
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			List list = userDao.findArticleByCondition(type, 
					startDate, endDate, orderby, flag);
			ht.commit();
			if(list.size()<1){
				throw new UserException("要查找的文章不存在！");
			}
			return list;
		}catch(Exception e){
			
			e.printStackTrace();
		}
		
		return null;
	}

	public List findTopArticle(int start, int end) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			List list = userDao.findTopArticle(start, end);
			ht.commit();
			if(list.size()<1){
				throw new UserException("没有热门文章");				
			}
			return list;
		}catch(Exception e){
			e.printStackTrace();
		}
		return null;
	}

	public Article findArticle(String title) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			Article article = userDao.findArticle(title);
			ht.commit();
			return article;
		}catch(Exception e){			
			e.printStackTrace();
			return null;
		}	
	}

	public void saveOrupdate(Article article) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			userDao.saveOrupdate(article);
			ht.commit();
		}catch(Exception e){
			
			e.printStackTrace();			
		}	
	}
	public int pages(int page) throws UserException {
		int pages=0;
		try {
			//num为管理员的数目
			int num=userDao.findAllArticle().size();			
			if(num%page!=0){
				pages=num/page+1;
			}else{
				pages=num/page;
			}
			return pages;
		} catch (Exception e) {
			// TODO: handle exception
			e.printStackTrace();
			return 0;
		}		
	}

	

	public List searchArticle(int start, int end) throws UserException {
		try{
			HibernateTransaction ht = new HibernateTransaction();
			ht.beginTransaction();
			List list = userDao.searchArticle(start, end);
			ht.commit();
			return list;
		}catch(Exception e){			
			e.printStackTrace();
			return null;
		}	
	}
}