logout.java

Servlet习题课 系统名称：登录及识别身份的下载

package com.mypack;

import java.io.IOException;
import java.io.PrintWriter;

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

public class Logout extends HttpServlet {

	public Logout() {
		super();
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		// 注销session,并返回登录界面
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		request.getSession().invalidate();
		response.sendRedirect("/LoginProject/login.html");// ?
		out.flush();
		out.close();
	}

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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();

		out.flush();
		out.close();
	}

}