gotoupdatephotoservlet.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;

import hbu.david.cmc.bean.Category;
import hbu.david.cmc.bean.Photo;
import hbu.david.cmc.bean.UserInfo;
import hbu.david.cmc.util.ParseRequest;
import hbu.david.cmc.work.CategoryBean;
import hbu.david.cmc.work.PhotoBean;

import java.io.IOException;
import java.util.List;

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

/**
 * Servlet implementation class for Servlet: GotoUpdatePhotoServlet
 * 
 */
public class GotoUpdatePhotoServlet extends hbu.david.cmc.http.MyHttpServlet
		implements javax.servlet.Servlet {
	static final long serialVersionUID = 1L;

	/*
	 * (non-Java-doc)
	 * 
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public GotoUpdatePhotoServlet() {
		super();
	}

	@Override
	public void doExecute(HttpServletRequest request,
			HttpServletResponse response) throws IOException, ServletException {
		// TODO Auto-generated method stub
		int photoId=ParseRequest.parseInt(request, "photoId", 0);
		Photo photo=PhotoBean.getPhoto(photoId);
		request.setAttribute("photo", photo);
		List<Category> categoryList=CategoryBean.getCategory(((UserInfo)request.getSession().getAttribute("userInfo")).getId());
		request.setAttribute("categoryList", categoryList);
		request.getRequestDispatcher("updatePhoto.jsp").forward(request, response);
	}
}