javaweb session完成用户登入

package com.****; 
 
import com.wlsq.kso.entity.AccountUser; 
import com.wlsq.kso.entity.Developer; 
import com.wlsq.kso.service.AccountUserService; 
import com.wlsq.kso.service.IDeveloperService; 
 
import java.io.IOException; 
import java.io.UnsupportedEncodingException; 
import java.text.SimpleDateFormat; 
import java.util.Date; 
import java.util.HashMap; 
import java.util.Map; 
 
import javax.servlet.http.Cookie; 
import javax.servlet.http.HttpServletRequest; 
import javax.servlet.http.HttpServletResponse; 
import javax.servlet.http.HttpSession; 
import org.apache.shiro.SecurityUtils; 
import org.apache.shiro.subject.Subject; 
import org.springframework.beans.factory.annotation.Autowired; 
import org.springframework.stereotype.Controller; 
import org.springframework.web.bind.annotation.RequestMapping; 
import org.springframework.web.bind.annotation.RequestParam; 
import org.springframework.web.servlet.ModelAndView; 
 
/** 
 * 用户登入Controller 
 *  
 * @author zzg 
 * @date 2017-02-27 
 */ 
 
@Controller 
@RequestMapping(value ="login") 
public class LoginController 
{ 
 
  @Autowired 
  private IDeveloperService developerService; 
   
  @Autowired 
  private AccountUserService accountUserService; 
   
 
  
  //结算管理员退出操作。 
  @RequestMapping(value ="/logout.html") 
  public void logout(HttpServletRequest request, HttpServletResponse response) throws IOException { 
	  response.setCharacterEncoding("UTF-8");   
      response.setHeader("Content-type", "text/html;charset=UTF-8"); 
	  HttpSession session = request.getSession(false);   
      if (session == null) {   
          // 没登录，重定向到首页   
          String url = response.encodeRedirectURL(request.getContextPath()   
                  + "/login.jsp");   
          response.sendRedirect(url);   
          System.out.println("系统重定向页面1："+url); 
          return;   
      }   
      // 从session中移除登录状态   
      session.removeAttribute("user");   
      // 重定向到首页，URL重写方式   
      String url = response.encodeRedirectURL(request.getContextPath()   
              + "/login.jsp");   
      response.sendRedirect(url);   
      System.out.println("系统重定向页面2："+url); 
   
  } 
 
   
  //结算系统管理员登入接口。 
  @RequestMapping({"/accountUserLogin.html"}) 
  public ModelAndView accountUserLogin(HttpServletRequest request, HttpServletResponse response,@RequestParam String username, @RequestParam String password) 
  { 
    ModelAndView modelAndView = new ModelAndView(); 
    HttpSession session = request.getSession();   
// 暂时关闭--验证码验证。     
//    String reallyCode = (String) session.getAttribute("code"); 
//    if (!code.equalsIgnoreCase(reallyCode)) 
//    { 
//      modelAndView.addObject("error", "验证码错误"); 
//      modelAndView.setViewName("redirect:/login/accountUserLogin.html"); 
//    } else { 
        Map<String,String> map = new HashMap<String,String>(); 
        map.put("username", username); 
        map.put("password", password); 
    	AccountUser acountUser = this.accountUserService.selectAccountUserByUsernamePassword(map); 
      if (acountUser != null) { 
    	  // 手动设置session的有效期为30分钟   
          String sessionId = session.getId();   
          Cookie cookie = new Cookie("JSESSIONID", sessionId);   
          cookie.setMaxAge(60 * 30);   
          cookie.setPath(request.getContextPath());   
          response.addCookie(cookie);   
       // 登录成功后要存入用户的登录状态，key是用户对象的String形式value就是用户对象(model)！！别的页面应该能用到   
        session.setAttribute("user", acountUser); 
        //返回系统主页 
         
//        if (developer.getUserType().intValue() == 0) 
//        { 
//          modelAndView.setViewName("front_end/application/applications"); 
//        } 
//        else { 
//          modelAndView.setViewName("front_end/application/applications"); 
//        } 
        acountUser.setUpdatedate(new Date());        
        this.accountUserService.updateByPrimaryKeySelective(acountUser); 
         
        modelAndView.setViewName("index"); 
         
      } 
      else { 
        modelAndView.addObject("error", "用户不存在"); 
        modelAndView.setViewName("redirect:login/accountUserLogin.html"); 
      } 
    //} 
    return modelAndView; 
  } 
 
}