简单的jsp+servlet实现用户登录

/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package servlet; import entity.Users; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * * @author student */ public class UsersServlet extends HttpServlet{ private static final long serialVersionUID = 4559899171099847690L; public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String uName = request.getParameter("userName"); String uPass = request.getParameter("userPass"); Users users = new Users(); users.setUserName(uName); users.setUserPass(uPass); String path = "error.jsp"; if(users.getUserName().equals("yifeng")&&users.getUserPass().equals("yifeng1")){ path = "success.jsp"; } request.getRequestDispatcher(path).forward(request, response); } }