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";
- }
- }
- @Controller
- @SessionAttributes("manager")
- public class ManagerController {
- @Resource
- private ManagerService managerServiceImpl;
- @RequestMapping(value = "manager/login.do",method = RequestMethod.GET)
- public ModelAndView login(ManagerModel 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";
- }
- }

本文介绍了一种使用Java实现用户登录和注销的方法。通过两种不同的方式实现:一种是利用Servlet API进行会话管理,另一种是借助Spring框架的SessionAttributes特性。这两种方法都详细展示了如何在用户登录成功后保存用户信息,并在用户登出时清除这些信息。
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