更改浏览器中显示的端点以实现Spring Security

我在spring启动应用程序中使用Spring Security 。现在，当我尝试访问一个安全端点时，它会重定向到“/login”端点，这是预期的行为。此时，浏览器中的url为“http://example.com/login".
我要做的是更改这个“/登录名”，使url看起来像http://example.com/app/login". 其余的spring安全部分应该和以前一样工作。只需更改浏览器中显示的url即可。
这是我的WebSecurity配置类

@Configuration
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class WebSecurityConfig extends WebSecurityConfigurerAdapter {

    final private MyUserDetailsService myUserDetailsService;

    /**
     * Logger object for logging
     */
    Logger logger = LoggerFactory.getLogger(WebSecurityConfig.class);

    @Autowired
    public WebSecurityConfig(MyUserDetailsService myUserDetailsService) {
        this.myUserDetailsService = myUserDetailsService;
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {

        http.authorizeRequests().anyRequest().authenticated().and().formLogin().loginPage("/app/login").permitAll()
                .successHandler(new AuthenticationSuccessHandler() {

                    @Override
                    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response,
                            Authentication authentication) throws IOException, ServletException {
                        String requestURL = request.getRequestURL().toString();
                        String redirectURL = requestURL.substring(0,
                                requestURL.length() - request.getRequestURI().length());
                        response.sendRedirect(redirectURL + "/main");

                    }
                }).failureHandler(new AuthenticationFailureHandler() {

                    @Override
                    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
                            AuthenticationException exception) throws IOException, ServletException {
                        response.sendRedirect(request.getContextPath() + "/login?error");
                    }
                }).and().cors().and().csrf().disable();

        http.sessionManagement().sessionCreationPolicy(SessionCreationPolicy.ALWAYS).sessionFixation()
                .changeSessionId();

    }

    @Override
    public void configure(AuthenticationManagerBuilder auth) throws Exception {

        auth.userDetailsService(myUserDetailsService);
        auth.authenticationProvider(authenticationProvider());
    }

    // Builds the authentication provider object for the authentication manager
    @Bean
    public DaoAuthenticationProvider authenticationProvider() {

        DaoAuthenticationProvider daoAuthenticationProvider = new DaoAuthenticationProvider();
        daoAuthenticationProvider.setUserDetailsService(userDetailsService());
        daoAuthenticationProvider.setPasswordEncoder(passwordEncoder());

        return daoAuthenticationProvider;
    }
}

我在控制器中定义了一个端点，如下所示：

@GetMapping("/app/login")
public String loginUI(Model model) {
        return "login";
}

我的自定义登录页“login.html”位于src/main/resources/views/login.html中
这是login.html文件

<html xmlns:th="https://www.thymeleaf.org">
  <head th:include="layout :: head(title=~{::title},links=~{})">
    <title>Please Login</title>
  </head>
  <body th:include="layout :: body" th:with="content=~{::content}">
    <div th:fragment="content">
        <form name="f" th:action="@{/login}" method="post">               
            <fieldset>
                <legend>Please Login</legend>
                <div th:if="${param.error}" class="alert alert-error">    
                    Invalid username and password.
                </div>
                <div th:if="${param.logout}" class="alert alert-success"> 
                    You have been logged out.
                </div>
                <label for="username">Username</label>
                <input type="text" id="username" name="username"/>        
                <label for="password">Password</label>
                <input type="password" id="password" name="password"/>    
                <div class="form-actions">
                    <button type="submit" class="btn">Log in</button>
                </div>
            </fieldset>
        </form>
    </div>
  </body>
</html>

现在，当我尝试访问一个安全端点时，它确实重定向到“/app/login”，浏览器也显示了这一点。但是，返回404错误。
有人能帮我吗？

更改浏览器中显示的端点以实现Spring Security

暂无答案！

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