struts2+hibernate的简单学生信息管理

采用Struts2+Hibernate技术实现的简单信息管理，具有增删该查功能，添加了二级缓存，三级缓存功能，添加了日志功能，仅为初学者学习实用

package com.action;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.modle.Student;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.service.StudentService;
import com.serviceimpl.StudentServiceImpl;

public class StudentAction extends ActionSupport implements ModelDriven{
	
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private StudentService stu=new StudentServiceImpl（）;
	private List list;
	private int pageIndex=1;
	public int getPageIndex（） {
		return pageIndex;
	}


	public void setPageIndex（int pageIndex） {
		this.pageIndex = pageIndex;
	}


	public List students（）{
	
		list=stu.selectList（）;
	
		return list;
	}
	
	
	//list
	public String list（）{
		
		list=students（）;
		
		return list.size（）>0?“ListSuccess“:ERROR;
	}
	//save
	public String save（）{
		
		if （stu.save（student）） {
			list=students（）;
			return “editsuccess“;
		}else{
			return ERROR;
		}
		
	}
	
	//select
	public String listbyname（）{

		list=students（）;
		
		return list.size（）>0?“Listbyname“:ERROR;
	}
	public String listbyname1（）{

		list=stu.selectbyname（student.getSsname（））;
		return list.size（）>0?“Listbyname“:ERROR;
	}
	
	
	//edit
	public String edit（）{
		System.out.println（“+++++++++action edit+++++++“）;
		list=students（）;
		return list.size（）>0?“editsuccess“:ERROR;
	}
	
	
	//modify
	public String modify（）{
		return “modify“;
	}
	
	public String modify1（）{
		System.out.println（student.toString（））;
		
		if（stu.update（student））{
			list=students（）;
			return “editsuccess“;
		}else{
			return ERROR;
		}
	}
	
	//delete
	public String delete（）{
		System.out.println（“-----------------“+student.getSsno（））;
		if （stu.delete（student.getSsno（））） {
			list=students（）;
			return “editsuccess“;
		}else{
			return ERROR;
		}
	}
	
	
	//listbypage
	public String listbypage（）{
		
		List students=stu.selectList（）;
		int pageCount;//总页数
		int countPrePage=3;//每页显示记录数
		int studentCount;//记录数
		int startSelect = 0;
		
		studentCount=students.size（）;
		HttpServletRequest request=ServletActionContext.getRequest（）;
		HttpSession session=request.getSession（）;
		
		
		session.setAttribute（“studentCount“ studentCount）;
		
		if（studentCount%countPrePage==0）{//计算总页数
			pageCount=studentCount/countPrePage;
		
		}else{
			pageCount=studentCount/countPrePage+1;
		}
		
		
		if （pageIndex==0） {
			startSelect=0;
			
			System.out.println（“1111111:“+startSelect）;
		}else{
			startSelect=pageIndex*3-3;
		}
		
		session.setAttribute（“pageCount“ pageCount）;
		session.setAttribute（“

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-04-15 18:26  Student\
     文件        3195  2017-04-15 18:02  Student\.classpath
     文件         914  2017-03-28 10:38  Student\.project
     目录           0  2017-03-28 10:38  Student\.settings\
     文件         567  2017-03-28 10:38  Student\.settings\.jsdtscope
     文件         364  2017-03-28 10:38  Student\.settings\org.eclipse.jdt.core.prefs
     文件         573  2017-03-28 10:42  Student\.settings\org.eclipse.wst.common.component
     文件         305  2017-03-28 10:38  Student\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2017-03-28 10:38  Student\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2017-03-28 10:38  Student\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2017-03-28 10:38  Student\build\
     目录           0  2017-04-15 19:46  Student\build\classes\
     文件         817  2016-06-15 08:53  Student\build\classes\.classpath
     文件        1021  2016-06-15 08:53  Student\build\classes\.project
     目录           0  2017-04-15 18:02  Student\build\classes\.settings\
     文件         491  2016-06-15 08:53  Student\build\classes\.settings\.jsdtscope
     文件         357  2016-06-15 08:53  Student\build\classes\.settings\org.eclipse.jdt.core.prefs
     文件         516  2016-06-15 08:53  Student\build\classes\.settings\org.eclipse.wst.common.component
     文件         335  2016-06-15 08:53  Student\build\classes\.settings\org.eclipse.wst.common.project.facet.core.xml
     文件          49  2016-06-15 08:53  Student\build\classes\.settings\org.eclipse.wst.jsdt.ui.superType.container
     文件           6  2016-06-15 08:53  Student\build\classes\.settings\org.eclipse.wst.jsdt.ui.superType.name
     目录           0  2017-04-15 18:02  Student\build\classes\com\
     目录           0  2017-04-15 18:02  Student\build\classes\com\action\
     文件        4497  2017-04-15 19:21  Student\build\classes\com\action\StudentAction.class
     目录           0  2017-04-15 18:02  Student\build\classes\com\db\
     文件         699  2017-04-15 18:02  Student\build\classes\com\db\Myhibernate.class
     目录           0  2017-04-15 18:02  Student\build\classes\com\modle\
     文件        2203  2017-04-15 18:02  Student\build\classes\com\modle\Student.class
     目录           0  2017-04-15 18:02  Student\build\classes\com\service\
     目录           0  2017-04-15 18:02  Student\build\classes\com\serviceimpl\
     文件        4789  2017-04-15 19:22  Student\build\classes\com\serviceimpl\StudentServiceImpl.class
............此处省略84个文件信息