gongyingshangserviceimpl.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.GongYingShangDAO;
import com.yuanjin.mtgx.dao.impl.GongYingShangDAOImpl;
import com.yuanjin.mtgx.entity.GongYingShang;
import com.yuanjin.mtgx.service.GongYingShangService;
import com.yuanjin.mtgx.util.HbnUtil;

public class GongYingShangServiceImpl implements GongYingShangService {
    
	private GongYingShangDAO dao=new GongYingShangDAOImpl();
	
	public boolean addGongYingShang(GongYingShang gys) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		boolean success=false;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			dao.save(gys);
			tran.commit();
			success=true;
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return success;
	}

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

	public List findAllGongYingShang() {
		// 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 GongYingShang findGongYingShangByNo(String gysh) {
		// TODO Auto-generated method stub
		Session session=null;
		Transaction tran=null;
		GongYingShang gys=null;
		try {
			session=HbnUtil.getCurrentSession();
			tran=session.beginTransaction();
			gys=dao.findByNo(gysh);
			tran.commit();
		} catch (HibernateException e) {
			tran.rollback();
			e.printStackTrace();
		}
		return gys;
	}

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

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

}