資源簡介
這是完整的博客制作程序,已經在eclipse上運行過?!ぁぁ?
代碼片段和文件信息
package?com.mr.dao;
import?java.util.List;
import?org.hibernate.Query;
import?org.hibernate.Session;
import?org.hibernate.SessionFactory;
import?org.hibernate.Transaction;
import?org.hibernate.cfg.Configuration;
public?class?objectDao?{
private?static?SessionFactory?sessionFactory?=?null;
private?Session?session?=?null;//創建Session對象
Transaction?tx?=?null;//創建事務管理對象
//連接數據庫
static?{
try?{
//?加載Hibernate配置文件
Configuration?cfg?=?new?Configuration().configure();
sessionFactory?=?cfg.buildSessionFactory();
}?catch?(Exception?e)?{
System.err.println(“創建會話工廠失敗“);
e.printStackTrace();
}
}
/**
?*?刪除數據
?*?@param?t
?*?@return
?*/
public?boolean?deleteT(T?t)?{
Session?session?=?sessionFactory.openSession();//開啟Session
try?{
tx?=?session.beginTransaction();//開啟事務
session.delete(t);//執行數據刪除操作
tx.commit();//事務提交
}?catch?(Exception?e)?{
e.printStackTrace();
return?false;
}?finally?{
session.close();//關閉Session
}
return?true;
}
/**
?*?保存數據
?*?@param?t
?*?@return
?*/
public?boolean?saveT(T?t)?{
Session?session?=?sessionFactory.openSession();//開啟Session
try?{
tx?=?session.beginTransaction();//開啟事務
session.save(t);//執行數據添加操作
tx.commit();//事務提交
}?catch?(Exception?e)?{
e.printStackTrace();
return?false;
}?finally?{
session.close();//關閉Session
}
return?true;
}
/**
?*?修改數據
?*?@param?t
?*?@return
?*/
public?boolean?updateT(T?t)?{
Session?session?=?sessionFactory.openSession();//開啟Session
try?{
tx?=?session.beginTransaction();//開啟事務
session.update(t);//執行數據修改操作
tx.commit();//事務提交
}?catch?(Exception?e)?{
e.printStackTrace();
return?false;
}?finally?{
session.close();//關閉Session
}
return?true;
}
/**
?*?通過泛型定義的查詢多條語句方法
?*?@param?hql
?*?@return
?*/
public?List?queryList(String?hql)?{
session?=?sessionFactory.openSession();//開啟Session
tx?=?session.beginTransaction();//開啟事務
List?list?=?null;
try?{
Query?query?=?session.createQuery(hql);//利用hql語句進行查詢
list?=?query.list();//將返回的結果集轉換成List集合
}?catch?(Exception?e)?{
e.printStackTrace();
}
tx.commit();//事務提交
session.close();//關閉Session
return?list;//返回List集合
}
/**
?*?在查詢結果中返回指定條數的方法
?*?@param?hql
?*?@param?showNumber?查詢結果的條數
?*?@param?beginNumber?查詢的起始位置
?*?@return
?*/
public?List?queryList(String?hql?int?showNumber?int?beginNumber)?{
session?=?sessionFactory.openSession();//開啟Session
tx?=?session.beginTransaction();//開啟事務
List?list?=?null;
try?{
Query?query?=?session.createQuery(hql);//利用hql語句進行查詢
query.setMaxResults(showNumber);//設置查詢結果的條數
query.setFirstResult(beginNumber);//設置查詢的起始位置
list?=?query.list();//將返回的結果集轉換成List集合
}?catch?(Exception?e)?{
e.printStackTrace();
}
tx.commit();//事務提交
session.close();//關閉Session
return?list;//返回List集合
}
/**
?*?查詢單條信息
?*?@param?hql
?*?@re
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????842??2018-03-04?14:25??weblog\.classpath
?????文件????????906??2018-03-04?14:06??weblog\.project
?????文件????????567??2018-03-04?13:35??weblog\.settings\.jsdtscope
?????文件????????364??2018-03-04?13:35??weblog\.settings\org.eclipse.jdt.core.prefs
?????文件????????470??2018-03-04?14:06??weblog\.settings\org.eclipse.wst.common.component
?????文件????????345??2018-03-04?13:35??weblog\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件?????????49??2018-03-04?13:35??weblog\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件??????????6??2018-03-04?13:35??weblog\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????文件???????4490??2018-03-23?21:17??weblog\build\classes\com\mr\dao\ob
?????文件???????1490??2018-03-23?21:17??weblog\build\classes\com\mr\model\AdminInfo.class
?????文件????????825??2011-05-04?11:36??weblog\build\classes\com\mr\model\AdminInfo.hbm.xm
?????文件???????2098??2018-03-23?21:17??weblog\build\classes\com\mr\model\ArticleInfo.class
?????文件???????1426??2011-05-04?11:36??weblog\build\classes\com\mr\model\ArticleInfo.hbm.xm
?????文件???????1549??2018-03-23?21:17??weblog\build\classes\com\mr\model\Info.class
?????文件???????1089??2011-05-04?11:36??weblog\build\classes\com\mr\model\Info.hbm.xm
?????文件???????2678??2018-03-23?21:17??weblog\build\classes\com\mr\model\PhotoInfo.class
?????文件???????1277??2011-05-04?11:36??weblog\build\classes\com\mr\model\PhotoInfo.hbm.xm
?????文件???????1495??2018-03-23?21:17??weblog\build\classes\com\mr\model\ReArticleInfo.class
?????文件???????1057??2011-05-04?11:36??weblog\build\classes\com\mr\model\ReArticleInfo.hbm.xm
?????文件???????4538??2018-03-23?21:17??weblog\build\classes\com\mr\model\UserInfo.class
?????文件???????2672??2011-05-04?11:36??weblog\build\classes\com\mr\model\UserInfo.hbm.xm
?????文件???????1711??2018-03-23?21:17??weblog\build\classes\com\mr\tools\FileOperation.class
?????文件????????713??2018-03-23?21:17??weblog\build\classes\com\mr\tools\ToChinese.class
?????文件???????3113??2018-03-23?21:17??weblog\build\classes\com\mr\tools\Validateex
?????文件????????819??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\A.class
?????文件???????4743??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\AdminAction.class
?????文件???????8838??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\ArticleAction.class
?????文件???????2449??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\BlogMainAction.class
?????文件???????4881??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\InfoAction.class
?????文件???????6389??2018-03-23?21:17??weblog\build\classes\com\mr\webiter\PhotoAction.class
............此處省略257個文件信息
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