?? affichedao.java
字號(hào):
package com.dao;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.Session;
import org.hibernate.cfg.Configuration;
import java.util.List;
import org.hibernate.Query;
import com.actionForm.AfficheForm;
public class AfficheDao {
private static SessionFactory sessionFactory = null;
private Session session = null;
Transaction tx = null;
static {
try {
Configuration config = new Configuration().configure();
sessionFactory = config.buildSessionFactory();
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
//公告信息的刪除
public void deleteAffiche(int id) {
Session session = sessionFactory.openSession();
try {
tx = session.beginTransaction();
AfficheForm form = (AfficheForm) session.load(AfficheForm.class, id);
session.delete(form);
tx.commit();
} catch (Exception e) {
System.out.println("刪除數(shù)據(jù)出錯(cuò):" + e);
} finally {
session.close();
}
}
/*==========================================================================*/
//對(duì)公告信息的修改
public void updateAffiche(AfficheForm form) {
Session session = sessionFactory.openSession();
try {
tx = session.beginTransaction();
session.load(AfficheForm.class, form.getId());
session.update(form);
tx.commit();
} catch (Exception e) {
System.out.println("修改數(shù)據(jù)出錯(cuò):" + e);
} finally {
session.close();
}
}
/*==========================================================================*/
public void insertAffiche(AfficheForm form) { //對(duì)公告的插入操作
Session session = sessionFactory.openSession();
Transaction tx = null;
try {
tx = session.beginTransaction();
session.save(form);
tx.commit();
} catch (Exception e) {
System.out.println("插入數(shù)據(jù)出錯(cuò):" + e);
} finally {
session.close();
}
}
//全部信息公告查詢
public List selectAffiche() {
session = sessionFactory.openSession();
tx = session.beginTransaction();
String hql = "from AfficheForm order by id desc";
List list = null;
try {
Query query = session.createQuery(hql);
list = query.list();
} catch (Exception e) {
System.out.println(e.getMessage());
}
tx.commit();
session.close();
return list;
}
public AfficheForm selectOneAffiche(int id) { //對(duì)公告詳細(xì)查詢
session = sessionFactory.openSession();
tx = session.beginTransaction();
String hql = "from AfficheForm where id='" + id + "'";
AfficheForm form=null;
try {
Query query = session.createQuery(hql);
form=(AfficheForm)query.uniqueResult();
} catch (Exception e) {
System.out.println(e.getMessage());
}
tx.commit();
session.close();
return form;
}
}
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