kucunzongzhangserviceimpl.java

自己写的一个java购销系统

package com.yuanjin.mtgx.service.impl;

import java.util.List;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;

import com.yuanjin.mtgx.dao.KuCunZongZhangDAO;
import com.yuanjin.mtgx.dao.impl.KuCunZongZhangDAOImpl;
import com.yuanjin.mtgx.entity.KuCunZongZhang;
import com.yuanjin.mtgx.service.KuCunZongZhangService;
import com.yuanjin.mtgx.util.HbnUtil;

public class KuCunZongZhangServiceImpl implements KuCunZongZhangService {
	
	private KuCunZongZhangDAO dao=new KuCunZongZhangDAOImpl();

	public boolean addKuCunZongZhang(KuCunZongZhang kczz) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.save(kczz);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

	public boolean deleteKuCunZongZhang(KuCunZongZhang kczz) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.delete(kczz);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

	public List findAllKuCunZongZhang() {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		List list=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			list=dao.findALL();
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return list;
	}

	public KuCunZongZhang findKuCunZongZhangByNo(String mtpm) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		KuCunZongZhang kczz=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			kczz=dao.findByNo(mtpm);
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return kczz;
	}

	public boolean modifyKuCunZongZhang(KuCunZongZhang kczz) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.update(kczz);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

}