老师我想跳转post下的路径如何跳转

@Controller("userController")
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserBiz userBiz;
    //tologin
    @RequestMapping("/tologin")
    public String toLogin(){
       /* CommentBiz commentBiz=new CommentBizImpl();
        int in=commentBiz.selectByPostId(1);
        System.out.println("jilu"+in);*/

        return "page/login";
    }
    //login
    @RequestMapping("/login")
    public String login(HttpSession session, @RequestParam String username, @RequestParam String password){
        if(username==null){
            return "redirect:tologin";
        }else{
        User user=userBiz.select(username);
            System.out.println("user"+user);
        if(user.getPassword().equals(password)){
            session.setAttribute("user",user);
            return "redirect:post/toList";
        }else {
            System.out.println("tologin");
            return "redirect:tologin";
        }}
    }