viewuseraction.java

struts + hibernate ,简单的实现了登录

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.buat.struts.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.sql.DataSource;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.buat.hibernate.dao.UserinfoDAO;
import com.buat.struts.form.ViewUserForm;

/** 
 * MyEclipse Struts
 * Creation date: 04-11-2008
 * 
 * XDoclet definition:
 * @struts.action path="/viewUser" name="viewUserForm" input="/viewUser.jsp" scope="request"
 */
public class ViewUserAction extends Action {
	
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		ViewUserForm viewUserForm = (ViewUserForm) form;
		 UserinfoDAO userDAO=new UserinfoDAO();
	    HttpSession session=request.getSession();
	    int tatal=userDAO.getTatalCount();//得到所有记录
    	int pageCount=(tatal-1)/5+1;
    	String pageNoStr=null;
    	session.setAttribute("pageNoStr","1");
    	try{
    		pageNoStr=request.getParameter("pageNo");//得到页号
    	}catch(Exception e){}
    	
    	int pageNo=1;
    	if(pageNoStr!=null){
    		session.setAttribute("pageNoStr",pageNoStr);//判断是有页号，否则从会话中取
    	}else{
    		pageNoStr=(String)session.getAttribute("pageNoStr");
    	}
    	pageNo=Integer.parseInt(pageNoStr);
    	request.setAttribute("pageNo",pageNo);
    	List list=userDAO.findAll(pageNo, 5);
    	request.setAttribute("pageCount",pageCount);
	    if(viewUserForm!=null && viewUserForm.getType()!=null){
		    if(viewUserForm.getType().equals("1")){
		    	return mapping.findForward("addUser");
		    }
		    if(viewUserForm.getType().equals("2")){
		    	userDAO.deleteById(viewUserForm.getIds());
		    	 list=userDAO.findAll(1, 5);
		    	 request.setAttribute("list",list);	
		    	return mapping.findForward("viewUser");
		    }
		    
	    }
	    request.setAttribute("list",list);	
	   	return mapping.findForward("viewUser");
		
		
	}
}