Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.test1.controller; import com.test1.dao.UserDAO; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.SessionAttributes; import org.springframework.web.servlet.ModelAndView; /** * * @author FrancAnthony */ @Controller @SessionAttributes("userId") public class IndexController { @RequestMapping(value = "/index") public ModelAndView index() { return new ModelAndView("index"); } @RequestMapping(value = "/loginSubmit", method = RequestMethod.POST) public ModelAndView login(@RequestParam("username") String username, @RequestParam("password") String password) { ModelAndView mav = new ModelAndView("index"); try { UserDAO userDao = new UserDAO(); if (userDao.findUser(username, password)) { mav.setViewName("redirect:home"); mav.addObject("userId", userDao.getUser(username).getId()); } } catch (Exception ex) { System.out.println(ex); } return mav; } }