suppliermanagerimpl.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.Supplier;
import com.university.goodsmanager.biz.service.interf.SupplierManager;
import com.university.goodsmanager.dao.hbndao.HbnDao;
import com.university.goodsmanager.dao.hbndao.HbnDaoImpl;

public class SupplierManagerImpl implements SupplierManager {

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

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

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

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

	public Supplier query(Supplier supplier) {
		int supplier_id=supplier.getSupplier_id();
		HbnDao hbndao=new HbnDaoImpl();
		try {
			supplier=hbndao.querySupplier(supplier_id);
			
		} catch (Exception e) {
			
		}
		return supplier;
	}

}