indexaction.java

struts spring hibernate 自已写的

//Created by MyEclipse Struts
// XSL source (default): platform:/plugin/com.genuitec.eclipse.cross.easystruts.eclipse_4.1.1/xslt/JavaClass.xsl

package com.hb.gf.addpage;

import java.util.ArrayList;
import java.util.List;

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

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.hb.gf.addpage.Page;

public class IndexAction extends Action {
	/**
	 * Method execute
	 * 
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		Page page = null;
		List list = new ArrayList();
		List tempList = null;
		for (int i = 0; i < 100; i++) {
			list.add("����" + i);
		}

		String action = "";

		action = request.getParameter("action");

		if (action == "" || action == null) {
			page = new Page(list);
			System.out.println("2==null");
			tempList = page.getFirstList();
			request.setAttribute("tempList", tempList);
			request.getSession().setAttribute("page", page);
		} else {
			// ��һҳ
			page = (Page) request.getSession().getAttribute("page");
			if (page == null) {
				System.out.println("page=null");
			} else {
				System.out.println("page!=null");
			}
			if (action == "nextPage" || action.equals("nextPage")) {
				tempList = page.getNextPage();
				request.setAttribute("tempList", tempList);
				request.setAttribute("page", page);
			}

			// ��һҳ
			if (action == "previousPage" || action.equals("previousPage")) {
				tempList = page.getPreviousPage();
				request.setAttribute("tempList", tempList);
				request.setAttribute("page", page);
			}
		}
		return mapping.findForward("index");
	}
}