contentsaction.java

java开发购物车+网上书城

package com.xaccp.aj3q8073.action;

import java.io.PrintWriter;
import java.util.List;

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

import com.xaccp.aj3q8073.controller.Action;
import com.xaccp.aj3q8073.controller.ActionForward;
import com.xaccp.aj3q8073.dao.ContentsManagerDao;
import com.xaccp.aj3q8073.vo.BookShelfVo;
/**
 * 栏目管理的action
 * 通过反射找到的类
 * 之所以去实现接口是因为它规范了我们
 * 的输入和输出
 * @author Administrator
 *
 */
public class ContentsAction implements Action {
	ContentsManagerDao dao=new ContentsManagerDao();
	/**
	 * 查找一级目录
	 */
	public ActionForward execute(HttpServletRequest request, HttpServletResponse response) throws Exception {
		List list= dao.findOneBookshelf();
		request.setAttribute("oneBookshelf", list);
		return new ActionForward("/background/saloonTypeModify.jsp");
	}
	/**
	 * 查找二级目录的同时也要显示一级目录
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward findTwoBookshelf(HttpServletRequest request, HttpServletResponse response) throws Exception {
//		String name= request.getParameter("shelfName");
//		//对汉字进行解码
//		name=java.net.URLDecoder.decode(name,"UTF-8");
//		name=new String(name.getBytes("iso-8859-1"),"UTF-8");
		//获取一级书架id
		String shelfId=request.getParameter("shelfId");
//		if (shelfId==null)
//		{
//			shelfId="0";
//		}
		//根据货架Id查询货架Name
		BookShelfVo bv= dao.findShelfName(Integer.parseInt(shelfId));
		
		BookShelfVo shelfVo=new BookShelfVo();
		shelfVo.setShelfId(Integer.parseInt(shelfId));
		shelfVo.setShelfName(bv.getShelfName());
		request.setAttribute("shelf", shelfVo);
		
		List listOne= dao.findOneBookshelf();
		request.setAttribute("oneBookshelf", listOne);
		
		
		List listTwo= dao.findTwoBookshelfName(Integer.parseInt(shelfId));
		request.setAttribute("twoBookshelf", listTwo);
		return new ActionForward("/background/saloonTypeModify.jsp");
	}
	
	/**
	 *栏目管理 
	 * @param request
	 * @param response
	 * @return
	 * @throws Exception
	 */
	public ActionForward saveContectAction(HttpServletRequest request, HttpServletResponse response) throws Exception {
		String shelfId= request.getParameter("shelfId");
		String twoId=request.getParameter("twoId");//拿到二级目录id
		String file=request.getParameter("file");
		String type=request.getParameter("type");
		String contentName=request.getParameter("contentName");
		
		List listName= dao.findContentName(contentName);
		if(listName.size()>0){
			return new ActionForward("/background/info.jsp",true);
		}
		
		BookShelfVo vo=new BookShelfVo();
		vo.setParentShelfId(Integer.parseInt(shelfId));
		vo.setShelfName(contentName);
		
		if(type.equals("增加子栏目")){
			dao.saveContent(vo);
			response.sendRedirect(request.getContextPath()+"/twoContent.do?shelfId="+shelfId);
		}else if(type.equals("增加兄弟栏目")){
			if(twoId==""){
				dao.saveBrotherContent(contentName);
				return new ActionForward("/contents.do",true);
			}else{
				dao.saveContent(vo);
				response.sendRedirect(request.getContextPath()+"/twoContent.do?shelfId="+shelfId);
			}
		}else if(type.equals("修改栏目")){
			//TODO...图书表中的名称也要修改
			if(twoId==""){
				dao.editContent(contentName, Integer.parseInt(shelfId));
				return new ActionForward("/contents.do",true);
			}else{
				dao.editContent(contentName, Integer.parseInt(twoId));
				response.sendRedirect(request.getContextPath()+"/twoContent.do?shelfId="+shelfId);
			}
		}else if(type.equals("删除栏目")){
			if(twoId==""){
				List list= dao.findTwoBookshelfName(Integer.parseInt(shelfId));
				if(list.size()>0){
					return new ActionForward("/background/clew.jsp",true);
				}else{
					dao.removeOneContentByShelfId(Integer.parseInt(shelfId));
					return new ActionForward("/contents.do",true);
				}
			}else{
				List list= dao.findBook(Integer.parseInt(twoId));
				if(list.size()>0){
					return new ActionForward("/background/clew.jsp",true);
//					response.sendRedirect(request.getContextPath()+"/twoContent.do?shelfId="+shelfId);
				}else{
					dao.removeOneContentByShelfId(Integer.parseInt(twoId));
					response.sendRedirect(request.getContextPath()+"/twoContent.do?shelfId="+shelfId);
				}
			}
		}
		return null;
		
	}
	
}