方法一：使用servlet-api

1. @Controller
2. publicclass ManagerController {  
3.     @Resource
4.     private ManagerService managerServiceImpl;  
5.     @RequestMapping(value = "manager/login.do",method = RequestMethod.GET)    
6.     public ModelAndView login(ManagerModel managerModel,HttpSession httpSession){  
7.         ManagerModel manager = managerServiceImpl.getManager(managerModel);  
8.         if(manager!=null){  
9.             manager.setPassword("");  
10.             httpSession.setAttribute("manager", manager);  
11.             returnnew ModelAndView(new RedirectView("../admin/main.jsp"));  
12.         }else{  
13.             returnnew ModelAndView(new RedirectView("../admin/login.jsp"));  
14.         }  
15.     }  
16.     @RequestMapping(value = "manager/logout.do",method = RequestMethod.GET)  
17.     public String logout(HttpSession httpSession){  
18.         httpSession.getAttribute("manager");  
19.         return"success";  
20.     }  
21. }  

1. @Controller
2. @SessionAttributes("manager")  
3. publicclass ManagerController {  
4.     @Resource
5.     private ManagerService managerServiceImpl;  
6.     @RequestMapping(value = "manager/login.do",method = RequestMethod.GET)    
7.     public ModelAndView login(ManagerModel managerModel,ModelMap model){  
8.         ManagerModel manager = managerServiceImpl.getManager(managerModel);  
9.         if(manager!=null){  
10.             manager.setPassword("");  
11.             model.addAttribute("manager", manager);  
12.             returnnew ModelAndView(new RedirectView("../admin/main.jsp"));  
13.         }else{  
14.             returnnew ModelAndView(new RedirectView("../admin/login.jsp"));  
15.         }  
16.     }  
17.     @RequestMapping(value = "manager/logout.do",method = RequestMethod.GET)  
18.     public String logout(@ModelAttribute("manager")ManagerModel managerModel){  
19.         return"success";  
20.     }  
21. }