次此篇文章是两个工具类的实现,HibernateUtil.java和分页的工具类PageUtil.java的实现:
先看看HibernateUtil.java的实现:
package org.util;import javax.transaction.Transaction;import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;/***
*
* 项目名称:struts_easyui
* 类名称:HibernateUtil
* 类描述: 工具类
* 创建人:Mu Xiongxiong
* 创建时间:2017-4-19 下午6:12:05
* 修改人:Mu Xiongxiong
* 修改时间:2017-4-19 下午6:12:05
* 修改备注:
* @version
**/
public class HibernateUtil {private static Session session;private static Transaction tx;private static ThreadLocal<Session> sl=new ThreadLocal<Session>();/*** * @Title: getSession* @Description: 该方法的主要作用:打开Session* @param @return 设定文件 * @return 返回类型:Session * @throws*/public static Session getSession(){session = sl.get();if(session==null){session=new Configuration().configure().buildSessionFactory().openSession();sl.set(session);}return session;}/*** * @Title: closeSession* @Description: 该方法的主要作用:关闭Session* @param 设定文件 * @return 返回类型:void * @throws*/public static void closeSession(){session = sl.get();if(session!=null){sl.set(session);session.close();}}
}
在来看看PageUtil的实现
/**
* @Title: pageUtil.java
* @Package org.util
* @Description: TODO该方法的主要作用:
* @author A18ccms A18ccms_gmail_com
* @date 2017-4-19 下午6:11:50
* @version V1.0
*/
package org.util;import java.util.List;/** * * 项目名称:struts_easyui * 类名称:pageUtil * 类描述: 分页* 创建人:Mu Xiongxiong * 创建时间:2017-4-19 下午6:11:50 * 修改人:Mu Xiongxiong * 修改时间:2017-4-19 下午6:11:50 * 修改备注: * @version * */
public class pageUtil<T> {private int pageSize; //页大小private int pageIndex; //当前页private int totalCount; //总记录数private int totalPage; //总页数private List<T>list; //查询的数据public int getPageSize() {return pageSize;}public void setPageSize(int pageSize) {this.pageSize = pageSize;}public int getPageIndex() {return pageIndex;}public void setPageIndex(int pageIndex) {this.pageIndex = pageIndex;}public int getTotalCount() {return totalCount;}public void setTotalCount(int totalCount) {this.totalCount = totalCount;}public int getTotalPage() {return totalCount%pageSize==0?totalCount/pageSize:(totalCount/pageSize)+1;}/*public void setTotalPage(int totalPage) {this.totalPage = totalPage;}*/public List<T> getList() {return list;}public void setList(List<T> list) {this.list = list;}}