addcommentservlet.java

jsp + servlete + jdbc开的管理系统

package hbu.david.cmc.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import hbu.david.cmc.bean.*;
import hbu.david.cmc.http.ServletEncoding;
import hbu.david.cmc.work.*;
import hbu.david.cmc.util.*;
/**
 * Servlet implementation class for Servlet: AddCommentServlet
 *
 */
 public class AddCommentServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public AddCommentServlet() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(request,response);
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		ServletEncoding.setEncoding(request, response);
		int photoId=ParseRequest.parseInt(request, "photoId", 0);
		String addUser=request.getParameter("addUser");
		String content=request.getParameter("content");
		
		Comment comment=new Comment();
		comment.setAddUser(addUser);
		comment.setContent(content);
		comment.setPhotoId(photoId);		
		if(CommentBean.addComment(comment)){
			response.getWriter().print("添加评论成功！");
		}else{
			response.getWriter().print("添加评论失败！");
		}
		
	}   	  	    
}