登录页面
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
检测账号密码以及设置session的IndexServlet
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 javax.servlet.http.HttpSession;
/**
* Servlet implementation class IndexServlet
*/
@WebServlet("/IndexServlet")
public class IndexServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public IndexServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.getWriter().append("Served at: ").append(request.getContextPath());
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("utf-8");
String user = request.getParameter("user");
String password = request.getParameter("password");
String path = request.getContextPath();
HttpSession session=request.getSession();
if ("1".equals(user) && "1".equals(password)) {
session.setAttribute("name", user);
response.sendRedirect(path + "/success.jsp");
}else{
response.sendRedirect(path + "/Index.jsp");
}
}
}
成功登录页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
%>
<%
Object name = session.getAttribute("name");
if(name==null){
response.sendRedirect(path+"/Index.jsp");
}
%>
恭喜你,骚年,<%=session.getAttribute("name") %>,成功登陆了!
注销功能的jsp
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
%>
<%
session.removeAttribute("name");
response.sendRedirect(path+"/Index.jsp");
%>