logindo.java

一个bbs论坛系统

package com.lovo.servlet;

import java.io.IOException;
import java.sql.SQLException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

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

import com.lovo.bo.UserBO;
import com.lovo.factory.BOFactory;
import com.lovo.po.AreaPO;
import com.lovo.po.BlockPO;
import com.lovo.po.ImgPO;
import com.lovo.po.LevelPO;
import com.lovo.po.MessagePO;
import com.lovo.po.PublishPO;
import com.lovo.po.UserPO;

public class LoginDO extends HttpServlet {

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		this.doPost(request, response);
	}

	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		response.setContentType("text/html;charset=utf-8");
		response.setCharacterEncoding("utf-8");
		ServletContext application=this.getServletContext();
		//		1.接收参数
		RequestDispatcher rd = request.getRequestDispatcher("web/error.jsp?errorInfo=" + "message");
		HttpSession session = request.getSession(true);
		String name = request.getParameter("name");
		String password = request.getParameter("password");
		
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		//2.简单参数较验
		UserBO bo = BOFactory.getUserBOInstance();
		Boolean isLogSucB = (Boolean)session.getAttribute("isLogSuc");
		boolean isLogSuc = false;
		if(isLogSucB == null) { //isLogSucB为空表示没有登录
			isLogSuc = bo.login(name, password);
		} else {					
			isLogSuc = isLogSucB.booleanValue();
		}
		
		if(isLogSuc) {
			//判断userList是否存在当前用户
			boolean isUser=false;
			UserPO user = bo.queryByName(name);
			List<UserPO> userList=(List<UserPO>)application.getAttribute("userList");
			
			if(userList==null){
				userList=new ArrayList<UserPO>();
				application.setAttribute("userList", userList);
			}
			for(int i=0;i<userList.size();i++){
				if(((UserPO)userList.get(i)).getName().equals(name)==true){
					isUser=true;
				}
			}
			if(isUser==false){
				userList.add(user);
			}

			Date now = new Date();				//获得当前时间
			String nowTime = sdf.format(now);
			
			ImgPO img = BOFactory.getImgBOInstance().queryById(user.getImg().getId());
			if(user.getBlockFlag() == 1) {
				try {
					int blockId = BOFactory.getUser_BlockBOInstance().queryBlockIdBy(user.getId());
					BlockPO block = BOFactory.getBlockBOInstance().queryBlockById(blockId);
					user.setBlock(block);
				} catch (SQLException e) {
					e.printStackTrace();
				}
			}
			if(user.getAreaFlag() == 1) {
				try {
					int areaId = BOFactory.getUser_BlockBOInstance().queryBlockIdBy(user.getId());
					AreaPO area = BOFactory.getAreaBOInstance().queryAreaById(areaId);
					user.setArea(area);
				} catch (SQLException e) {
					e.printStackTrace();
				}
			}
			
			
			LevelPO level = BOFactory.getLevelBOInstance().queryLevelById(user.getLevel().getId());
			user.setImg(img);
			user.setLevel(level);
			

//			List<PublishPO> publishList = BOFactory.getPublishBOInstance().queryPubByUserid(user.getId());
//			user.setPublishList(publishList);
//			
//			List<MessagePO> msgList = BOFactory.getMessageBOInstance().queryMsgByReceiverId(user.getId());
//			user.setMsgList(msgList);
//			for(int i=0; i<msgList.size(); i++) {
//				MessagePO msg = msgList.get(i);
//				UserPO sendUser = BOFactory.getUserBOInstance().queryById(msg.getSendUser().getId());
//				msg.setSendUser(sendUser);
//			}
//			int publishNum = publishList.size();
//			int msgNum = msgList.size();
//			session.setAttribute("msgNum", msgNum);
//			session.setAttribute("publishNum", publishNum);
			session.setAttribute("now", nowTime);
			session.setAttribute("user", user);//把当前登录用户放在session里面
			session.setAttribute("isLogSuc", isLogSuc);
			response.sendRedirect("lovo39_5_bbs");
			return;
		}
		else {
			rd.forward(request, response);
			return;
		}
		
	}

}