yswhlistcontroller.java

这是基于spring +hibernate的项目

package com.pure.web.spring;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

import com.pure.domain.logic.DishSortFacade;
import com.pure.domain.logic.NewsFacade;
import com.pure.domain.logic.NewsSortFacade;
import com.pure.page.Page;
import com.pure.page.PageHelper;
import com.pure.sys.Constant;
import com.pure.util.ParamUtil;

public class YswhListController implements Controller {
	protected final Log logger = LogFactory.getLog(getClass());

	private NewsFacade newsFacade;
	
	private NewsSortFacade newsSortFacade;
	
	private DishSortFacade dishSortFacade;

	private String successView;

	public ModelAndView handleRequest(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		newsList(request);
		dishSortList(request);
		newsSortList(request);
		return new ModelAndView(this.getSuccessView());
	}

	/**
	 * 指定类新闻列表
	 * 
	 * @param request
	 * @return
	 */
	private void newsList(HttpServletRequest request) {
		HttpSession session = request.getSession();
		String contextPath = request.getContextPath();
		int id = ParamUtil.getInt(request,"id",0);
		String totalHql = "select count(id) from News where newssort_id="+id;
		String hql = "from News as news left join fetch news.newssort where news.newssort.id="+id+" order by news.id desc";
		String realPath = session.getServletContext().getRealPath("/");
		String templatePath = Constant.TEMPLATEPATH;
		String templateName = "dishList.ftl";
		String url = "/yswhList.jspx";

		int perPage = 10;
		int cPage = ParamUtil.getInt(request, "page", 1);
		int total = this.getNewsFacade().getTotal(totalHql);

		PageHelper pageHelper = new PageHelper(request);
		perPage = pageHelper.doCustomPerPage(perPage);

		Page page = new Page();
		page.setPerPage(perPage);
		/**
		 * 此处处理页码为负数、大于总页数、删除最后一页数据后应转向最后一页的页码-1、页码非数字
		 */
		cPage = pageHelper.getCpage(total, perPage, cPage);
		page.setPage(cPage);
		page.setRealPath(realPath);
		page.setPageTemplatePath(templatePath);
		page.setPageTemplate(templateName);
		page.setParam("id="+id);
		page.setHql(hql);
		page.setTotal(total);
		page.setContextPath(contextPath);
		page.setUrl(url);
		page.setStartRs((cPage - 1) * perPage);

		request.setAttribute("newsList", this.getNewsFacade().getNewsList(page));
		request.setAttribute("page", pageHelper.getPageBreakStr(page));
	}
	
	/**
	 * 所有资讯分类(及分类相关的资讯)
	 * @param request
	 */
	private void newsSortList(HttpServletRequest request) {
		request.setAttribute("newsSortList", this.getNewsSortFacade().getNewsSortList());
	}
	
	private void dishSortList(HttpServletRequest request) {
		request.setAttribute("dishSortList", this.getDishSortFacade().getDishSortList());
	}

	public void setSuccessView(String successView) {
		this.successView = successView;
	}

	public String getSuccessView() {
		return successView;
	}

	public NewsFacade getNewsFacade() {
		return newsFacade;
	}

	public void setNewsFacade(NewsFacade newsFacade) {
		this.newsFacade = newsFacade;
	}

	public NewsSortFacade getNewsSortFacade() {
		return newsSortFacade;
	}

	public void setNewsSortFacade(NewsSortFacade newsSortFacade) {
		this.newsSortFacade = newsSortFacade;
	}

	public DishSortFacade getDishSortFacade() {
		return dishSortFacade;
	}

	public void setDishSortFacade(DishSortFacade dishSortFacade) {
		this.dishSortFacade = dishSortFacade;
	}

}