admindaoimpl.java

基于ssh框架

package com.zzu.dao.impl;

import java.util.List;

import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.zzu.dao.AdminDao;
import com.zzu.dao.entity.AdminInfo;
import com.zzu.dao.entity.Student;

public class AdminDaoImpl implements AdminDao {

	Session se=null;
	Transaction tx=null;
	public void add(AdminInfo admin) {
		try {
			se = HibernateSessionFactory.getSession();
			tx = se.beginTransaction();
			System.out.println(admin.getAdminId());
			se.save(admin);
			tx.commit();

			
			System.out.println("管理员添加成功！");
			
		} catch (Exception e) {
			if (null != tx)
				tx.rollback();
			e.printStackTrace();
		} finally {
			se.close();
		}

	}

	public void del(AdminInfo admin) {

		try {
			se = HibernateSessionFactory.getSession();
			tx = se.beginTransaction();
			se.delete(admin);
			tx.commit();
			System.out.println("管理员删除成功！");
			
		} catch (Exception e) {
			if (null != tx)
				tx.rollback();
			e.printStackTrace();
		} finally {
			se.close();// 关闭 Session
		}

	}

	public boolean login(String adminId, String adminPwd) {
		boolean flag=false;
		Session se=HibernateSessionFactory.getSession();
		//Transaction tx=se.beginTransaction();
		String hql="from AdminInfo adm where adm.adminId='"+adminId+"' "+" and adm.adminPwd='"+adminPwd+"'";
		Query query=se.createQuery(hql);
		List list=query.list();
		if(list.size()>0)
		{
			flag=true;
			AdminInfo admin=(AdminInfo)list.get(0);
			System.out.println(admin.getAdminId());
			
		}
		//tx.commit();
		
		return flag;
		
	}

	public List serch(AdminInfo condition) {
		List adminList = null;
		se = HibernateSessionFactory.getSession();
		String hql = "from AdminInfo";
		if(condition==null)
		{
			hql=hql;
		}
		try {
			Query query = se.createQuery(hql);
			adminList = query.list();
		} catch (Exception e) {
			System.out.println("studentDaoImpl 类 Exception");
			e.printStackTrace();
		} finally {
			se.close();
		}
		return adminList;
	}

	public AdminInfo serchById(String adminId) {
		AdminInfo adminInfo=null;
		 se=HibernateSessionFactory.getSession();
		//Transaction tx=se.beginTransaction();
		String hql="from AdminInfo adm where adm.adminId='"+adminId+"'";
		Query query=se.createQuery(hql);
		List list=query.list();
		if(list.size()>0)
		{
			
			adminInfo=(AdminInfo)list.get(0);
			System.out.println(adminInfo.getAdminId());
		}
		//tx.commit();
		
		return adminInfo;
		
	}

	public void update(AdminInfo admin) {


		try{
			 se=HibernateSessionFactory.getSession();
			 tx=se.beginTransaction();
			 admin.setAdminId("yin");
	//		student.setSpwd("12");
	//		student.setSage("23");
	//		student.setSsex("男");
	//		student.setSdept("zzu");
			
			
			se.update(admin);
			
			System.out.println("管理员信息修改成功！");
			tx.commit();
		}catch(Exception e)
		{
			if(null!=tx)
			{
				tx.rollback();
			}
		}finally{
			se.close();
		}
	}
	
	public static void main(String[] args)
	{
		new AdminDaoImpl().login("admin", "admin");
	}

	
}