deletephotoservlet.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;

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

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

import sun.rmi.server.Dispatcher;

import hbu.david.cmc.bean.*;
import hbu.david.cmc.work.*;
import hbu.david.cmc.util.*;

/**
 * Servlet implementation class for Servlet: DeletePhotoServlet
 *
 */
 public class DeletePhotoServlet 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 DeletePhotoServlet() {
		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);
		if(photoId<=0){
			response.getWriter().print("对不起，照片编号错误！");
		}else{
			//if(PhotoBean.isRightUser(photoId, userId)){
				if(PhotoBean.deletePhotoById(photoId)){
					System.out.print(FileUtil.changePathToAbsol(request, "\\"+photo.getUrl()));
					//requestDispatcher=request.getRequestDispatcher("GetPhotosServlet");
					FileUtil.deleteFile(FileUtil.changePathToAbsol(request, "\\"+photo.getUrl()));
					response.getWriter().print("恭喜您，照片删除成功！");
				}else{
					response.getWriter().print("对不起，删除失败！");
				}			
		}
	}   	 	  	  	    
}