08.登录注册注销案例-注销功能

LogoffServlet.java

package com.exp.web.servlet;

import java.io.IOException;

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

import com.exp.service.IUserService;
import com.exp.service.impl.UserServiceImpl;

/**
 * 注销用户
 */
@WebServlet("/LogoffServlet")
public class LogoffServlet extends HttpServlet {
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        //1、把session注销
        request.getSession().invalidate();
        //2、回到登陆页面
        response.sendRedirect(request.getContextPath()+"/login.jsp");
        
    }

}