package cn.com.blogonline;
import java.util.List;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
public class DbOperate {
/**
* 根据用户名得到Blog对象
*/
public Blog getBlog(String userId) throws HibernateException {
Session session = HibernateUtil.currentSession();
Blog blog = null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Blog where username=:userId");
query.setParameter("userId", userId);
List list = query.list();
if (!list.isEmpty())
blog = (Blog) list.get(0);
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
session.close();
return blog;
}
/**
* 根据ID得到Blog对象
*/
public Blog getBlog(int Id) throws HibernateException {
Session session = HibernateUtil.currentSession();
Blog blog = null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Blog where id=" + Id);
List list = query.list();
if (!list.isEmpty())
blog = (Blog) list.get(0);
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
session.close();
return blog;
}
/**
* 得到热点Blog对象集
*/
public List getBlogs(int showCount) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Blog order by visitcount desc");
if (showCount>0){
query.setMaxResults(showCount); //记录集最大个数
}
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 得到匹配Blog对象集
*/
public List getMatchBlogs(String key) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Blog where subject like '%" + key + "%'");
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 根据ID得到Sort对象
*/
public Sort getSort(int Id) throws HibernateException {
Session session = HibernateUtil.currentSession();
Sort sort = null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Sort where id=" + Id);
List list = query.list();
if (!list.isEmpty())
sort = (Sort) list.get(0);
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
session.close();
return sort;
}
/**
* 根据ID得到Links对象
*/
public Links getLink(int Id) throws HibernateException {
Session session = HibernateUtil.currentSession();
Links link = null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Links where id=" + Id);
List list = query.list();
if (!list.isEmpty())
link = (Links) list.get(0);
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
session.close();
return link;
}
/**
* 得到指定文章对象
*/
public Article getArticle(int articleid) throws HibernateException {
Session session = HibernateUtil.currentSession();
Article article = null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Article where id=" + articleid);
List list = query.list();
if (!list.isEmpty())
article = (Article) list.get(0);
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
session.close();
return article;
}
/**
* 得到匹配Article对象集
*/
public List getMatchArticles(String key) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Article where title like '%" + key + "%'");
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 得到最新文章对象集
*/
public List getArticles(int showCount) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
Query query = session.createQuery("from Article order by pubtime desc");
if (showCount>0){
query.setMaxResults(showCount); //记录集最大个数
}
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 得到指定博客最新文章对象集
*/
public List getBlogArticles(int blogid,int sortid) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
String strSql = "from Article where blogid=" + blogid;//创建一个查询语句,查询指定类别产品;
if (sortid>0){
strSql = strSql + " and sortid=" + sortid ; //记录集最大个数
}
strSql = strSql + " order by pubtime desc" ; //记录集最大个数
Query query = session.createQuery(strSql);
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 得到指定博客文章分类对象集
*/
public List getBlogSorts(int blogid) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
String strSql = "from Sort where blogid=" + blogid;//创建一个查询语句,查询指定类别产品;
Query query = session.createQuery(strSql);
list = query.list(); //从数据库取出数据，并自动封装到List集合中
tx.commit();
} catch (HibernateException e) {
if (tx != null)
tx.rollback();
throw e;
}
HibernateUtil.closeSession();
return list;
}
/**
* 得到指定博客超级链接对象集
*/
public List getBlogLinks(int blogid) throws HibernateException {
Session session = HibernateUtil.currentSession();
List list=null;
Transaction tx = null;
try {
tx = session.beginTransaction();
// 创建查询对象
String strSql = "from Links where blogid=" + blogid;//创建一个查询语句,查询指定类别产品;
Query query = session.createQuery(strSql);
list = query.list(); //从数据库取出数据，并自动封
BlogOnline AJAX应用
需积分: 10 42 浏览量
2008-01-22
11:36:26
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收藏 105KB RAR 举报
BlogOnline.rar （98个子文件） 
BlogOnline 
.project 1KB .myumldata 66B .settings org.eclipse.core.resources.prefs 826B .mymetadata 303B WebRoot otherBlogMain.jsp 720B adminArticle.jsp 1KB adminMain.jsp 566B searchResult.jsp 2KB WEB-INF .struts-config.mex 48B web.xml 5KB lib classes cn com blogonline ImageTool.class 2KB OpenBlogAction.class 3KB Blog.class 2KB FirstAction.class 3KB CheckUnameAction.class 2KB OpenArticleAction.class 3KB BlogOperateAction.class 3KB ArticleSortAction.class 2KB LoginAction.class 3KB Article.class 1KB DbOperate.class 7KB ShowFeedbackAction.class 3KB Constants.class 1KB WriteFeedbackAction.class 3KB HibernateUtil.class 2KB ArticleSaveAction.class 3KB SaveLogoAction.class 3KB SaveSelfInfoAction.class 2KB AdminLinksAction.class 4KB AdminSortAction.class 3KB Links.class 1KB AdminArticleAction.class 4KB FeedBack.class 1KB RegistAction.class 2KB Sort.class 904B SearchAction.class 2KB model.hbm.xml 2KB hibernate.cfg.xml 946B adminTop.jsp 837B adminSelf.jsp 2KB index.jsp 4KB regist.jsp 4KB META-INF MANIFEST.MF 39B blogAdminMain.jsp 1009B newArticle.jsp 2KB image.jsp 455B top.jsp 1KB left.jsp 4KB adminLink.jsp 2KB main.jsp 2KB blogMain.jsp 716B adminLeft.jsp 2KB images 
bk_button01.gif 448B regist.js 3KB mystyle.css 2KB adminArticle.js 5KB
bk_11.jpg 350B logo.gif 2KB default_icon.jpg 6KB index.js 5KB Thumbs.db 15KB adminSort.js 4KB
checkwd_image.png 406B newArticle.js 3KB adminLink.js 5KB registOK.jsp 2KB adminSort.jsp 2KB feedback.jsp 3KB adminLogo.jsp 1KB .myeclipse src cn com blogonline FeedBack.java 787B HibernateUtil.java 1KB LoginAction.java 2KB Article.java 905B Sort.java 437B BlogOperateAction.java 3KB FirstAction.java 2KB WriteFeedbackAction.java 2KB Constants.java 1KB CheckUnameAction.java 1KB RegistAction.java 2KB SearchAction.java 1KB ArticleSortAction.java 2KB DbOperate.java 10KB ShowFeedbackAction.java 3KB OpenBlogAction.java 2KB SaveLogoAction.java 2KB Blog.java 1KB AdminLinksAction.java 3KB ArticleSaveAction.java 2KB Links.java 564B AdminArticleAction.java 3KB ImageTool.java 1KB OpenArticleAction.java 2KB SaveSelfInfoAction.java 2KB AdminSortAction.java 3KB model.hbm.xml 2KB hibernate.cfg.xml 946B .classpath 4KB资源评论
