updatephotoservlet.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;

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

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class for Servlet: UpdatePhotoServlet
 * 
 */
public class UpdatePhotoServlet 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 UpdatePhotoServlet() {
		super();
	}

	@Override
	public void doExecute(HttpServletRequest request,
			HttpServletResponse response) throws IOException, ServletException {
		// TODO Auto-generated method stub
		int photoId=ParseRequest.parseInt(request, "photoId", 0);
		String photoName=request.getParameter("photoName");
		int categoryId=ParseRequest.parseInt(request, "categoryId", 0);
		Photo photo=new Photo();
		photo.setId(photoId);
		photo.setCategoryId(categoryId);
		photo.setName(photoName);
		if(PhotoBean.updatePhoto(photo)){
			//更新成功
			response.getWriter().print("更新成功!");
		}else{
			//更新失败
			response.getWriter().print("更新失败!");
		}
	}
}