returnproductmanagerimpl.java

基于java的物资管理系统非常好用啊相当简单

package com.university.goodsmanager.biz.service.impl;

import java.util.ArrayList;
import java.util.List;

import com.university.goodsmanager.biz.entity.ReturnProduct;
import com.university.goodsmanager.biz.service.interf.ReturnProductManager;
import com.university.goodsmanager.dao.hbndao.HbnDao;
import com.university.goodsmanager.dao.hbndao.HbnDaoImpl;

public class ReturnProductManagerImpl implements ReturnProductManager {

	public boolean add(ReturnProduct rp) {
		HbnDao hbndao=new HbnDaoImpl();
		boolean flag=false;
		try {
			hbndao.save(rp);
			flag=true;
		} catch (Exception e) {
			flag=false;
			e.printStackTrace();
		}
		return flag;
	}

	public boolean remove(ReturnProduct rp) {
		boolean flag=true;
		HbnDao hbndao=new HbnDaoImpl();
		try {
			hbndao.delete(rp);
		} catch (Exception e) {
			flag=false;
		}
		return flag;
	}

	public boolean modify(ReturnProduct rp) {
		boolean flag=true;
		HbnDao hbndao=new HbnDaoImpl();
		try {
			hbndao.update(rp);
		} catch (Exception e) {
			flag=false;
		}
		return flag;
	}

	public List query() {
		List list=new ArrayList();
		HbnDao hbndao=new HbnDaoImpl();
		try {
			list=hbndao.queryReturnProduct();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return list;
	}

	public ReturnProduct query(ReturnProduct rp) {
		int return_id=rp.getReturn_ID();
		HbnDao hbndao=new HbnDaoImpl();
		try {
			rp=hbndao.queryReturnProduct(return_id);
			
		} catch (Exception e) {
			
		}
		return rp;
	}

}