exitdo.java

一个bbs论坛系统

package com.lovo.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletContext;
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.lovo.po.UserPO;

public class ExitDO 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");
		
		HttpSession session = request.getSession(true);
		ServletContext application = this.getServletContext();
		UserPO user = (UserPO)session.getAttribute("user");
		List<UserPO> userRegList = (List)application.getAttribute("userRegList");
		userRegList.remove(user);
		application.setAttribute("userRegList", userRegList);
		session.invalidate();
		
		response.sendRedirect("../lovo39_5_bbs");
	}
}