SSH图书管理系统项目源码+详细设计说明书

package book.daoimp; import java.sql.Timestamp; import java.text.SimpleDateFormat; import java.util.Date; import java.util.List; import org.hibernate.Query; import org.hibernate.SessionFactory; import book.dao.bookDAO; import book.dto.book; import book.util.Page; public class bookDAOImpl implements bookDAO { private SessionFactory sessionFactory; public SessionFactory getSessionFactory() { return sessionFactory; } public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } public List<book> query(Page page) { Query query = sessionFactory.getCurrentSession().createQuery("from book"); query.setFirstResult(page.getBeginIndex()); query.setMaxResults(page.getEveryPage()); return query.list(); } public void update(book book) { book b =(book)sessionFactory.getCurrentSession().load(book.getClass(), book.getBid()); b.setBname(book.getBname()); b.setCompile(book.getCompile()); b.setCount(book.getCount()); b.setIsbn(book.getIsbn()); b.setPress(book.getPress()); b.setPrice(book.getPrice()); sessionFactory.getCurrentSession().update(b); } public void add(book book) { Date date = new Date();//获得系统时间. String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date);//将时间格式转换成符合Timestamp要求的格式. Timestamp g = Timestamp.valueOf(nowTime);//把时间转换 book.setTime(g); sessionFactory.getCurrentSession().save(book); } public void delete(Integer bid) { book book =(book)sessionFactory.getCurrentSession().createQuery("from book where bid="+bid).list().get(0); sessionFactory.getCurrentSession().delete(book); } public Integer count(){ Query query = sessionFactory.getCurrentSession().createQuery("from book"); return query.list().size(); } public Integer count(String key){ Query query = sessionFactory.getCurrentSession().createQuery("from book where bname like '%"+key+"%'"); return query.list().size(); } public List<book> query(Page page,String key) { Query query = sessionFactory.getCurrentSession().createQuery("from book where bname like'%"+key+"%'"); query.setFirstResult(page.getBeginIndex()); query.setMaxResults(page.getEveryPage()); return query.list(); } }