backpastersuccessservlet.java

一个仿造淘宝的jsp网站。功能比较完善

package com.jc.taobao.gjj.action;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

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

import com.jc.taobao.gjj.entity.FollowNote;
import com.jc.taobao.gjj.entity.UserInfo;
import com.jc.taobao.gjj.logic.FollowNoteBean;
import com.jc.taobao.gjj.logic.UserInfoBean;

public class BackPasterSuccessServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public BackPasterSuccessServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		HttpSession session=request.getSession();
		FollowNote fn=new FollowNote();
		FollowNoteBean followbean=new FollowNoteBean();
		String followusername=(String)session.getAttribute("loginusername");//获取用户姓名
		if(followusername==null)
		{
			response.sendRedirect("/taobao/Logintaobao.jsp");
		}
		else
		{
			UserInfoBean userbean=new UserInfoBean();
			UserInfo user=new UserInfo();
			user.setUsername(followusername);
			
			/*设置发帖人(根据用户名查询用户编号)*/
			fn.setUserid(Integer.valueOf(((UserInfo)((ArrayList)userbean.getquerybyuserusename(user)).get(0)).getUserid()));
			/*主贴编号*/
			fn.setMid(Integer.parseInt(request.getParameter("masterid")));
			/*丛帖标题*/
			fn.setFollowtitle(request.getParameter("followtitle"));
			/*丛帖内容*/
			fn.setFollowmessage(request.getParameter("Content"));
			/*丛帖发布时间*/
			SimpleDateFormat sim = new SimpleDateFormat(
	        "yyyy-MM-dd hh:mm:ss");
	        String time=sim.format(new Date()).toString();
			fn.setFollowtime(time);
			if(followbean.save(fn)>0)
			{
				ArrayList arrayfollowinformation=(ArrayList)followbean.getquerybymid(Integer.valueOf(Integer.parseInt(request.getParameter("masterid"))));
				session.setAttribute("arrayfollowinformation", arrayfollowinformation);
				response.sendRedirect("/taobao/BackNote.jsp");
			}
			else
			{
				response.sendRedirect("/taobao/BackNote.jsp");
			}
	}
}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}