updatetopicservlet.java

java写的一个简单的bbs系统

package com.ibm.control;

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.Timestamp;
import java.text.SimpleDateFormat;
import java.util.Date;

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

import com.ibm.common.DBConnection;
import com.ibm.dao.TopicDAO;
import com.ibm.dto.TopicDTO;

public class UpdateTopicServlet extends HttpServlet {

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
       
		Connection con=DBConnection.getInstance().getConnection();
		
		Date date = new Date();//获得系统时间.
        String nowTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(date);//将时间格式转换成符合Timestamp要求的格式.
        Timestamp modifytime = Timestamp.valueOf(nowTime);//把时间转换
        String title=request.getParameter("title");
        String content=request.getParameter("content");
        int topicid=Integer.parseInt(request.getParameter("topicid"));
        System.out.println(topicid);
        
        TopicDTO topicdto=new TopicDTO();
        topicdto.setTitle(title);
        topicdto.setContent(content);
        topicdto.setModifytime(modifytime);
        topicdto.setTopicid(topicid);
        
        
        TopicDAO topicdao=new TopicDAO();
        boolean flag=topicdao.updateTopic(con, topicdto);
        
        if(flag)
        {
        	response.sendRedirect("index.jsp");
        }else
        {
        	response.sendRedirect("index.jsp");
        }
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		this.doGet(request, response);
	}

}