用于理解Spring+SpringMVC+Hibernate开发流程的例子

package cn.hzh.dao; import java.util.List; import javax.annotation.Resource; import org.hibernate.Query; import org.hibernate.SessionFactory; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import org.springframework.stereotype.Repository; import cn.hzh.model.Article; import cn.hzh.model.Pager; import cn.hzh.model.SystemContext; @Repository("articleDao") public class ArticleDao extends HibernateDaoSupport implements IArticleDao { @Resource//@Resource默认按名称装配，当找不到与名称匹配的bean才会按类型装配 public void setSuperSessionFactory(SessionFactory sessionFactory) { this.setSessionFactory(sessionFactory); } @Override public Pager<Article> findAll() {//查找所有数据 int size = SystemContext.getSize(); int offset = SystemContext.getOffset(); Query query = this.getSession().createQuery("from Article"); query.setFirstResult(offset).setMaxResults(size); @SuppressWarnings("unchecked") List<Article> datas = query.list(); Pager<Article> ms = new Pager<Article>(); ms.setDatas(datas); ms.setOffset(offset); ms.setSize(size); long total = (Long)this.getSession() .createQuery("select count(*) from Article") .uniqueResult(); ms.setTotal(total); return ms; } @Override public Article load(int flag) { return this.getHibernateTemplate().load(Article.class, flag); } @SuppressWarnings("unchecked") @Override public Pager<Article> loadByFlag(int flag) {//查找所有数据 System.out.println("-----article------"); int size = SystemContext.getSize(); //System.out.println("------size-------"+size); int offset = SystemContext.getOffset(); Query query = (Query) this.getSession().createQuery("from Article where flag=?").setParameter(0, flag); System.out.println("------query-------"+query); //query.setFirstResult(offset).setMaxResults(size); List<Article> datas = query.list(); System.out.println("------datas-------"+datas); Pager<Article> as = new Pager<Article>(); //System.out.println("------datas-------"+datas); as.setDatas(datas); as.setOffset(offset); as.setSize(size); System.out.println("------0000000000222000000-------"); /*long total = (Long)this.getSession() .createQuery("select count(*) from Article ") .uniqueResult();*/ int total =1; //System.out.println("------total-------"+total); //System.out.println("------00000000000000000-------"+total); as.setTotal(total); System.out.println("-----article------"+as); return as; } @Override public List<Article> list() { // TODO Auto-generated method stub return null; } @Override public Pager<Article> loadByFlag() { // TODO Auto-generated method stub return null; } }