如何在spring security中实现多个入口点？
我试过这个https://www.baeldung.com/spring-security-two-login-pages 但它不起作用，第一个顺序（1）与顺序（2）重叠。
我需要为用户和管理员单独登录页面。
我不使用Spring Boot。我正在使用SpringMVC
@订单（1）

@EnableWebSecurity
    @Order(1)
    public class UserConfig extends WebSecurityConfigurerAdapter {

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

            auth
                    .inMemoryAuthentication()
                    .withUser("user")
                    .password(encoder().encode("user"))
                    .roles("USER");
        }

        protected void configure(HttpSecurity http) throws Exception {

            http
                    .authorizeRequests()
                    .antMatchers("/loginUser").anonymous()
                    .antMatchers("/").permitAll()
                    .antMatchers("/userPage/**").hasRole("USER")

                    .anyRequest().authenticated()

                    .and()
                    .formLogin()
                    .loginPage("/loginUser")
                    .loginProcessingUrl("/user_login")
                    .defaultSuccessUrl("/userPage")
                    .failureUrl("/loginUser?error=loginError")

                    .and()
                    .logout()
                    .logoutUrl("/user_logout")
                    .logoutSuccessUrl("/")
                    .deleteCookies("JSESSIONID")

                    .invalidateHttpSession(true)

                    .and()
                    .csrf().disable();
        }

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

    }

@订单（2）

@EnableWebSecurity
    @Order(2)
    public class AdminConfig extends WebSecurityConfigurerAdapter {

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

            auth
                    .inMemoryAuthentication()
                    .withUser("admin")
                    .password(encoder().encode("admin"))
                    .roles("ADMIN");
        }

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

            http

                    .authorizeRequests()

                    .antMatchers("/loginAdmin").anonymous()
                    .antMatchers("/").permitAll()
                    .antMatchers("/adminPage/**").hasRole("ADMIN")

                    .anyRequest().authenticated()

                    .and()
                    .formLogin()
                    .loginPage("/loginAdmin")
                    .loginProcessingUrl("/admin_login")
                    .defaultSuccessUrl("/adminPage")
                    .failureUrl("/loginAdmin?error=loginError")

                    .and()
                    .logout()
                    .logoutUrl("/admin_logout")
                    .logoutSuccessUrl("/")
                    .deleteCookies("JSESSIONID")

                    .invalidateHttpSession(true)

                    .and()
                    .csrf().disable();

        }

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

    }