selectaction.java

很好的东东 本人随便做的 仅供学习之用

package chuyun.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import chuyun.javabeans.*;
import chuyun.operatedata.*;
import chuyun.form.*;
import java.lang.Integer;

import java.util.*;

public class SelectAction extends Action {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		SelectActionForm selectForm = (SelectActionForm) form;
		OpOrders opoders = new OpOrders();
		request.removeAttribute("selectList");
		
		
		int page = 1;

		if (request.getParameter("page") == null) {
			page = 1;
		} else {

			page = Integer.parseInt(request.getParameter("page"));

		}

		if (selectForm.getPageText() != null) {
			page = Integer.parseInt(selectForm.getPageText());

		}
		if (request.getParameter("action") != null) {
			if (request.getParameter("action").equals("frist")) {
				page = 1;
			} else if (request.getParameter("action").equals("last")) {
				page = OpOrders.pagenum;
			} else if (request.getParameter("action").equals("back")) {
				page -= 1;
			} else if (request.getParameter("action").equals("frist")) {
				page += 1;
			}
		}

		if (page > OpOrders.pagenum)
			page = OpOrders.pagenum;
		ArrayList<Ordersentiy> list = opoders.selectordersBean(page, 5);
		request.removeAttribute("selectList");
		request.setAttribute("selectList", list);

		//  request.getSession().removeAttribute("selectList");
		//  request.getSession().setAttribute("selectList", list);
		int pagecount = OpOrders.pagenum;
		
		request.setAttribute("max",OpOrders.max);

		request.setAttribute("pagecount", pagecount);

		request.setAttribute("page", page);
		
		return mapping.findForward("select");
	}
}