newslistaction.java

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

package com.fise.struts.action;

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.fise.bean.Pager;
import com.fise.bl.NewsManager;
import com.fise.struts.form.NewsListForm;

/** 
 * MyEclipse Struts
 * Creation date: 11-08-2006
 * 
 * XDoclet definition:
 * @struts.action path="/newsList" name="newsListForm" input="/info/newsList.jsp" scope="request" validate="true"
 * @struts.action-forward name="showList" path="/info/newsList.jsp"
 */
public class NewsListAction extends Action {

	// --------------------------------------------------------- Instance Variables

	// --------------------------------------------------------- Methods

	/** 
	 * Method execute
	 * @param mapping
	 * @param form
	 * @param request
	 * @param response
	 * @return ActionForward
	 * @throws Exception 
	 */
	public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws Exception {
		List list = null;
        int currentPage = 1;
        NewsListForm newsListForm = (NewsListForm) form;
        String pageMethod = request.getParameter("pageMethod");         // 存放请求页方法
        String currentPageTemp = request.getParameter("currentPage");   // 存放当前页
        NewsManager newsManager = new NewsManager();                       // 操作表类
        Pager pager = new Pager(newsManager.selectDataRows());            // 页面控制类
        if (currentPageTemp == null){
            pager.setCurrentPage(1);
        } else {
            currentPage = Integer.parseInt(currentPageTemp);
        }
        pager.setCurrentPage(currentPage);
        if (pageMethod == null){
            pager.fristPage();      // 到首页
            System.out.println("fristPage");
        }else{
            if (pageMethod.equals("previousPage")){
                pager.previousPage();   // 到前一页
                System.out.println("previousPage");
            } else if (pageMethod.equals("nextPage")){
                pager.nextPage();       // 到后一页
                System.out.println("nextPage");
            } else if (pageMethod.equals("lastPage")){
                pager.lastPage();       // 到尾页
                System.out.println("lastPage");
            }else if (pageMethod.equals("refreshPage")){
                pager.refreshPage(currentPage);
                System.out.println(currentPage);
                System.out.println("refreshPage");
            } else {
                pager.fristPage();      // 到首页
                System.out.println("fristPage");
            }
        }
        request.setAttribute("pager", pager);
        request.setAttribute("newsdata", list);
        request.setAttribute("info", "已查询数据");
        newsListForm.reset(mapping, request);

        String date=request.getParameter("date");
    	String title=request.getParameter("title");
    	newsListForm.setNewss(newsManager.getNewsByDateTitle(date,title,pager));
		//return mapping.findForward("showNewsList");
    	return new ActionForward("/info/newsList.jsp"); 
	}
}