SpringMVC存取Session的两种方法

SpringMVC存取Session的两种方法

WEB 应用通常会引入 Session，用来在服务端和客户端之间保存一系列动作/消息的状态，比如网上购物维护 user 登录信息直到 user 退出。SpringMVC存取Session的两种方法，具体如下：

方法一：使用servlet-api

@Controller

public class ManagerController {

@Resource

private ManagerService managerServiceImpl;

@RequestMapping(value = "manager/login.do",method = RequestMethod.GET)

public ModelAndView login(ManagerModel managerModel,HttpSession httpSession){

ManagerModel manager = managerServiceImpl.getManager(managerModel);

if(manager!=null){

manager.setPassword("");

httpSession.setAttribute("manager", manager);

return new ModelAndView(new RedirectView("../admin/main.jsp"));

}else{

return new ModelAndView(new RedirectView("../admin/login.jsp"));

}

}

@RequestMapping(value = "manager/logout.do",method = RequestMethod.GET)

public String logout(HttpSession httpSession){

httpSession.getAttribute("manager");

return "success";

}

}

方法二：使用SessionAttributes

@Controller

@SessionAttributes("manager")

public class ManagerController {

@Resource

private ManagerService managerServiceImpl;

@RequestMapping(value = "manager/login.do",method = RequestMethod.GET)

public ModelAndView login(ManagerUtilyAoUiiModel managerModel,ModelMap model){

ManagerModel manager = managerServiceImpl.getManager(managerModel);

if(manager!=null){

manager.setPassword("");

model.addAttribute("manager", manager);

return new ModelAndView(new RedirectView("../admin/main.jsp"));

}else{

return new ModelAndView(new RedirectView("../admin/login.jsp"));

}

}

@RequestMapping(value = "manager/logout.do",method = RequestMethod.GET)

public String logout(@ModelAttribute("manager")ManagerModel managerModel){

return "success";

}

}

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