楊 bey kuen的部落格

package test.com.util;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

public class HibernateUtil {

    private static SessionFactory sessionFactory;

    static {

        try {

            sessionFactory = new Configuration().configure().buildSessionFactory();

        } catch (Throwable ex) {

            throw new ExceptionInInitializerError(ex);

        }

    }

    public static SessionFactory getSessionFactory() {

        return sessionFactory;

    }

    public static void shutdown() {

        getSessionFactory().close();

    }

}

package test.com.web;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.Action;

import org.apache.struts.action.ActionForm;

import org.apache.struts.action.ActionMapping;

import org.apache.struts.action.ActionForward;

import test.com.delegate.TestDelegate;

import test.com.model.UserModel;

public class TestAction extends org.apache.struts.action.Action {

    public ActionForward execute(ActionMapping mapping, ActionForm form,

            HttpServletRequest request, HttpServletResponse response)

            throws Exception {

        /*

         *  declare variable

         */

        String forward = "testjsp";

        String name = null;

        String age = null;

        UserModel usermod = null;

        /*

         *  get value

         */

         name = request.getParameter("name");

         age = request.getParameter("age");

         usermod = new UserModel();

        /*

         *  call delegate

         */

         usermod.setName(name);

         usermod.setAge(age);

         TestDelegate.creatUser(usermod);

        /*

         *  set value

         */

         request.setAttribute("result", usermod);

        /*

         *  forward

         */

        return mapping.findForward(forward);

    }

}

package test.com.delegate;

import test.com.bo.TestBO;

import test.com.model.UserModel;

public class TestDelegate {

    public static void creatUser(UserModel user) {

        try {

            TestBO.creatUser(user);

        } catch (Exception ex) {

            //logger.error(ExceptionUtils.getStackTrace(ex));

        }

    }

}

package test.com.bo;

import org.hibernate.tool.hbm2x.DAOExporter;

import test.com.dao.TestDAO;

import test.com.model.UserModel;

public class TestBO {

    public static void creatUser(UserModel user) {

        TestDAO.creatUser(user);

    }

}

package test.com.dao;

import org.hibernate.Session;

import org.hibernate.Transaction;

import test.com.model.UserModel;

import test.com.util.HibernateUtil;

public class TestDAO {

    // create

    public static void creatUser(UserModel user){

        // 開啟Session，相當於開啟JDBC的Connection

    Session session = HibernateUtil.getSessionFactory().openSession();

    // Transaction表示一組會話操作

    Transaction tx = session.beginTransaction();

    // 將物件映射至資料庫表格中儲存

    session.save (user);

    tx.commit ();

    session.close ();

    System.out.println ("新增資料OK!請先用MySQL觀看結果！");

    HibernateUtil.shutdown ();

    }

}