sendpasterservlet.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.MasterNote;
import com.jc.taobao.gjj.entity.ModeInfo;
import com.jc.taobao.gjj.entity.UserInfo;
import com.jc.taobao.gjj.logic.FollowNoteBean;
import com.jc.taobao.gjj.logic.MasterNoteBean;
import com.jc.taobao.gjj.logic.ModeInfoBean;
import com.jc.taobao.gjj.logic.UserInfoBean;

public class SendPasterServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public SendPasterServlet() {
		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();
	    String username=(String)session.getAttribute("loginusername");/*从会话中得到用户名*/
	    if(username!=null)
	    {
	    UserInfo user=new UserInfo();
	    UserInfoBean ubean=new UserInfoBean();
	    user.setUsername(username);
	    ArrayList aluser=(ArrayList)ubean.getquerybyuserusename(user);
	    UserInfo user1=(UserInfo)aluser.get(0);/*根据用户查询用户信息*/
	    int uid=user1.getUserid();/*获取用户编号*/
	    String modename=request.getParameter("mastermodename");/*从页面的到模块名称*/
	    ModeInfo mode=new ModeInfo();
	    ModeInfoBean mbean=new ModeInfoBean();

	     int modeid=Integer.parseInt(request.getParameter("mastermodeid"));/*获取模块编号*/
	     String mastertitle=request.getParameter("txtmastertitle");/*获取主帖标题*/
	     String mastermessage=request.getParameter("contest");/*获取主帖信息内容*/
	     
	     SimpleDateFormat sim=new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");/*获取发帖时间*/
	     String mastertime=sim.format(new Date());
	     
	     MasterNoteBean masterbean=new MasterNoteBean();
	     MasterNote mn=new MasterNote();
	     mn.setUserid(uid);
	     mn.setModeid(modeid);
	     mn.setMastertitle(mastertitle);
	     mn.setMastermessage(mastermessage);
	     mn.setMastertime(mastertime);
	     int mid=masterbean.save2(mn);
	     
	     /*ArrayList getmidal=masterbean.getquerybyuidandmastertime(uid, mastertime);
	     
	      MasterNote msterx=(MasterNote)getmidal.get(0);
			int mid=msterx.getMid();*/
			 ArrayList arraymasterinformation=(ArrayList)masterbean.getquerybymid(Integer.valueOf(mid));
			session.setAttribute("arraymasterinformation", arraymasterinformation);
			
			FollowNoteBean followbean=new FollowNoteBean();
			ArrayList arrayfollowinformation=(ArrayList)followbean.getquerybymid(Integer.valueOf(mid));
			session.setAttribute("arrayfollowinformation", arrayfollowinformation);
			
		   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
	}

}