Untitled

package paw.aplication.Paw2.Entity;

public class User2 {
    private String login;
    private String password;

    public User2(String login, String password) {
        this.login = login;
        this.password = password;
    }

    public User2() {
    }

    public String getLogin() {
        return login;
    }

    public void setLogin(String login) {
        this.login = login;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }
}


package paw.aplication.Paw2.Controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;

import paw.aplication.Paw2.Entity.User;
import paw.aplication.Paw2.Entity.User2;
import paw.aplication.Paw2.Repository.UserRepository;
import paw.aplication.Paw2.Repository.OfertaRepository;
import paw.aplication.Paw2.form.LoginForm;


@Controller
@RequestMapping(path="/demo")

public class LogowanieController {

    @GetMapping(path="/logowanie")
    public String loginView(Model model) {
        model.addAttribute("user2", new User2());
        return "logowanie";
    }

    @PostMapping(path="/logowanie2")
    public String check(@ModelAttribute("user2") User2 user2) {
        String username = user2.getLogin();
        String password = user2.getPassword();

        if ("admin".equals(username) && "admin".equals(password)) {

        }
        return "logowanie";
    }
}


<!doctype html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">

  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">

    <link href="signin.css" rel="stylesheet">
  </head>


  <body class="text-center">
  <div class="row justify-content-md-center">
    <form class="form-signin" action="#" th:action="@{/demo/logowanie2}" th:object="${user2}" method="post">
      <img class="mb-4" src="https://getbootstrap.com/assets/brand/bootstrap-solid.svg" alt="" width="72" height="72">
      <h1 class="h3 mb-3 font-weight-normal">Logowanie</h1>

      <label for="login" class="sr-only">Username</label>
      <input type="text"  id="login" class="form-control" placeholder="Username" th:field="*{login}" required autofocus>

      <label for="password" class="sr-only">Password</label>
      <input type="password" id="password" class="form-control" placeholder="Password" th:field="*{password}" required>

      <button class="btn btn-lg btn-primary btn-block" type="submit">Zaloguj się</button>
    </form>
  </div>

    <!--<a class="btn btn-primary" href="adminPanel/index.html" role="button">Zaloguj się</a>
      <p class="mt-5 mb-3 text-muted">&copy; EventPol</p>-->

  </body>
  <!--<body>
  <form th:action="@{/logowanie}" th:object="${logowanieForm}" method="post">
    <label for="username">Username</label>
    <input type="text" id="username" name="username" autofocus="autofocus"/>

    <label for="password">Password</label>
    <input type="password" id="password" name="password"/>
    <br/>
    <input type="submit" value="Log In"/>
  </form>
  </body>-->
</html>