newssortlistcontroller.java

这是基于spring +hibernate的项目

package com.pure.web.spring.manager.news;

import java.util.HashMap;
import java.util.Map;

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.NewsSortFacade;
import com.pure.page.Page;
import com.pure.page.PageHelper;
import com.pure.sys.Constant;
import com.pure.util.ParamUtil;

/**
 * 新闻分类管理控制器
 * 
 * @author pure
 *
 */
public class NewsSortListController implements Controller {
	protected final Log logger = LogFactory.getLog(getClass());

	private NewsSortFacade newsSortFacade;

	private String successView;

	public ModelAndView handleRequest(HttpServletRequest request,
			HttpServletResponse response) throws Exception {
		String action = ParamUtil.getString(request, "curAction", "newsList");
		if ("del".equals(action)) {
			delNewsSort(request);
		}
		
		/**
		 * 分类排序
		 */
		if ("seq".equals(action)) {
			seq(request);
		}
		
		return NewsSortList(request);
	}

	/**
	 * 分类列表
	 * @param request
	 * @return
	 */
	private ModelAndView NewsSortList(HttpServletRequest request) {
		HttpSession session = request.getSession();
		String contextPath = request.getContextPath();
		String totalHql = "select count(id) from NewsSort";
		String hql = "from NewsSort newsSort order by newsSort.seq asc,newsSort.id desc";
		String realPath = session.getServletContext().getRealPath("/");
		String templatePath = Constant.TEMPLATEPATH;
		String templateName = Constant.TEMPLATENAME;
		String url = "admin/news/newsSortList.jspx";

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

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

		Page page = new Page();
		page.setPerPage(perPage);
		cPage = pageHelper.getCpage(total, perPage, cPage);
		page.setPage(cPage);
		page.setRealPath(realPath);
		page.setPageTemplatePath(templatePath);
		page.setPageTemplate(templateName);
		page.setHql(hql);
		page.setTotal(total);
		page.setContextPath(contextPath);
		page.setUrl(url);
		page.setStartRs((cPage - 1) * perPage);

		Map model = new HashMap();
		model.put("newsSortList", this.getNewsSortFacade()
				.getNewsSortList(page));
		model.put("page", pageHelper.getPageBreakStr(page));
		return new ModelAndView(this.successView, model);
	}

	/**
	 * 删除分类
	 * @param request
	 */
	private void delNewsSort(HttpServletRequest request) {
		String[] ids = request.getParameterValues("id");
		if (null != ids)
			for (int i = 0; i < ids.length; i++) {
				// 删除数据库中的记录
				this.getNewsSortFacade().delNewsSort(Integer.parseInt(ids[i]));
			}
	}
	
	/**
	 * 分类排序
	 * @param request
	 */
	private void seq(HttpServletRequest request) {
		String[] ids = request.getParameterValues("id");
		String[] seqs = request.getParameterValues("seq");
		if (null != ids && null!=seqs)
			for (int i = 0; i < ids.length; i++) {
				this.getNewsSortFacade().seq(Integer.parseInt(ids[i]),Integer.parseInt(seqs[i]));
			}
	}

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

	public NewsSortFacade getNewsSortFacade() {
		return newsSortFacade;
	}

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

}