selectaction.java

struts+hibernate简单的例子

package com.brothers.action;

import java.util.List;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.brothers.dao.DaoFactory;
import com.brothers.dao.ICDDateDAO;
import com.brothers.form.SelectActionForm;

public class SelectAction extends BaseAction {
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		SelectActionForm selectForm = (SelectActionForm) form;
		int page = 1;
		int pageCount = 0;
		int begin;
		int end;
		ICDDateDAO dao = DaoFactory.getCDDateDAO();
		if (selectForm.getSelectValue() != null) {
			// if(request.getParameter("action")!=null)
			if (request.getParameter("page") == null) {
				page = 1;
			} else {
				page = Integer.parseInt(request.getParameter("page"));
			}
			List list = dao.selectCDBean(selectForm.getSelectValue());
			if (list.size() % 10 == 0) {
				pageCount = list.size() / 10;
			} else {
				pageCount = list.size() / 10 + 1;
			}
			begin = page * 10 - 10;
			end = page * 10;
			if (end >= list.size()) {
				end = list.size();
			}
			/*
			if (selectForm.getPageText() != null) {
				page = Integer.parseInt(selectForm.getPageText());
			}
			if (request.getParameter("action") != null) {
				if (request.getParameter("action").equals("first")) {
					page = 1;
				} else if (request.getParameter("action").equals("last")) {
					page = pageCount;// dao.PAGECOUNT;
				} else if (request.getParameter("action").equals("back")) {
					page -= 1;
				} else if (request.getParameter("action").equals("next")) {
					page += 1;
				}
			}
			*/
			List sub = list.subList(begin, end);
			request.setAttribute("selectList",sub);
			request.setAttribute("selectValue", selectForm.getSelectValue());
			request.setAttribute("page", page);
			request.setAttribute("pagecount", pageCount);
		}
		return mapping.findForward("select");
	}
}