毕业设计基于WEB的农产品销售管理系统【源码+论文】

灰太狼 2024-03-30 11:01 197阅读 0赞

#### 文章目录 ####

*  一、项目设计
 *   *  1. 模块设计
     *  2. 实现效果
 *  二、部分源码
 *  项目源码

--------------------

## 一、项目设计 ##

### 1. 模块设计 ###

会员子系统主要包括会员注册(系统必须，几乎每个系统都有)、购物车（一般买到的东西可以放购物车和直接付钱，这里本系统是统一放购物车）、顾客留言（供用户发表言论的地方）、商品浏览（本系统的主要功能也是系统的首页也是商务网站永恒的信仰，太常见了）、订单管理（查询用户自身所买东西的地方）、修改注册资料。会员子系统

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 1]

### 2. 实现效果 ###

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 2]![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 3]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 4]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 5]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 6]

## 二、部分源码 ##

部分代码示例：

package com.itbaizhan.service;
    
    import java.util.List;
    
    import org.hibernate.*;
    
    import com.itbaizhan.ORM.*;
    import com.itbaizhan.base.BaseLog;
    
    /** ��Ʒ���ࡢ��Ʒ���ؼ���Ʒҵ���߼�����ӿ�ʵ�� */
    public class MerServiceImpl extends BaseLog implements MerService {
        
    
    	/** ������Ʒ���� */
    	public boolean addCategory(Category cate) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			session.save(cate);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�addCategory����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    	
    	/** �����Ʒ���� */
    	public List browseCategory() throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		List list = null;
    		try{
        
    			Query query = session.createQuery("from Category as a order by a.id");
    			tx = session.beginTransaction();
    			list = query.list();
    			tx.commit();
    			if (!Hibernate.isInitialized(list))Hibernate.initialize(list);
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�browseCategory����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return list;
    	}
    	
    	/** ɾ��ָ������Ʒ���� */	
    	public boolean delCategory(Integer id) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			Category cate = (Category)session.load(Category.class, id);
    			session.delete(cate);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�delCategory����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    	
    	/** װ��ָ������Ʒ���� */
    	public Category loadCategory(Integer id) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		Category cate = null;
    		try{
        
    			tx = session.beginTransaction();
    			cate = (Category)session.get(Category.class, id);
    			tx.commit();
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�loadCategory����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return cate;
    	}
    
    	/** ������Ʒ���� */
    	public boolean updateCategory(Category cate) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			session.update(cate);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�updateCategory����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    
    	/** ������Ʒ */
    	public boolean addMer(Merchandise mer) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			session.save(mer);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�addMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    
    	/** �����Ʒ */
    	public List browseMer(String hql) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		List list = null;
    		try{
        
    			Query query = session.createQuery(hql);
    			tx = session.beginTransaction();
    			list = query.list();
    			tx.commit();
    			if (!Hibernate.isInitialized(list))Hibernate.initialize(list);
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�browseMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return list;
    	}
    
    	/** ɾ��ָ������Ʒ */	
    	public boolean delMer(Integer id) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			Merchandise mer = (Merchandise)session.load(Merchandise.class, id);
    			session.delete(mer);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�delMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    
    	/** װ��ָ������Ʒ */
    	public Merchandise loadMer(Integer id) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		Merchandise mer = null;
    		try{
        
    			tx = session.beginTransaction();
    			mer = (Merchandise)session.get(Merchandise.class, id);
    			tx.commit();
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�loadMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return mer;
    	}
    
    	/** ������Ʒ */
    	public boolean updateMer(Merchandise mer) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		boolean status = false;
    		try{
        
    			tx = session.beginTransaction();
    			session.update(mer);
    			tx.commit();
    			status = true;
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�updateMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return status;
    	}
    
    	/** ��ҳ�����Ʒ */
    	public List browseMer(int pageSize, int pageNo, int cateId,boolean isSpecial) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		List list = null;
    		try{
        
    			String hql = "from Merchandise as a";
    			if (isSpecial){
        	//�ؼ���Ʒ
    				hql = hql + " where a.special=1";
    			}else{
         //��ͨ��Ʒ
    				hql = hql + " where a.special=0";				
    			}
    			if (cateId!=0){
         //ָ�����
    				hql = hql + " and a.category.id="+cateId;
    			}
    			hql = hql + " order by a.id desc";
    			Query query = session.createQuery(hql);
    			query.setMaxResults(pageSize);
    			query.setFirstResult((pageNo-1)*pageSize);
    			tx = session.beginTransaction();
    			list = query.list();
    			tx.commit();
    			if (!Hibernate.isInitialized(list))Hibernate.initialize(list);
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�browseMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return list;
    	}
    
    	/** ������Ʒ */
    	public List browseMer(int pageSize, int pageNo, String hql) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		List list = null;
    		try{
        
    			Query query = session.createQuery(hql);
    			query.setMaxResults(pageSize);
    			query.setFirstResult((pageNo-1)*pageSize);
    			tx = session.beginTransaction();
    			list = query.list();
    			tx.commit();
    			if (!Hibernate.isInitialized(list))Hibernate.initialize(list);
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�browseMer����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return list;
    	}
    	
    	/** ͳ�Ƽ�¼���� */
    	public int countRecord(String hql) throws Exception {
        
    		Session session = MySessionFactory.getSession();
    		Transaction tx = null;
    		int count = 0;
    		try{
        
    			tx = session.beginTransaction();
    			Query query = session.createQuery(hql);
    			query.setMaxResults(1);
    			count = ((Integer)query.uniqueResult()).intValue();
    			tx.commit();
    		}catch(Exception ex){
        
    			if(tx!=null)tx.rollback();
    			logger.info("��ִ��MerServiceImpl���е�countRecord����ʱ���?\n");
    			ex.printStackTrace();
    		}finally{
        
    			MySessionFactory.closeSession();
    		}	
    		return count;
    	}
    }

## 项目源码 ##

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21hdGhvcl9zaW5vcg_size_16_color_FFFFFF_t_70 1]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/30/ef990410f63e4a549af1a5db6a7fb60d.png
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