SpringSecurity---实现会话并发控制--对浏览器的唯一性（单机版）

package com.zcw.demospringsecurity.demo10;

import org.springframework.context.annotation.Bean;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;

/**
 * @ClassName : WebSec8r9tyConfig
 * @Description :
 * @Author : Zhaocunwei
 * @Date: 2020-04-12 09:45
 */
@EnableWebSecurity
public class WebSec8r9tyConfig extends WebSecurityConfigurerAdapter {
    @Bean
    public UserDetailsService userDetailsService(){
        InMemoryUserDetailsManager memoryUserDetailsManager = new InMemoryUserDetailsManager();
        memoryUserDetailsManager.createUser(User.withUsername("user").password("1234567890")
        .roles("USER")
        .build());
        memoryUserDetailsManager.createUser(User.withUsername("admin").password("123456789")
        .roles("USER","ADMIN").build());
        return memoryUserDetailsManager;
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception{
        http.authorizeRequests()
                .antMatchers("/admin/**")
                .hasAuthority("ROLE_ADMIN")
                .antMatchers("/user/**")
                .hasRole("USER")
                .antMatchers("/app")
                .permitAll()
                .anyRequest()
                .authenticated()
                .and()
                .formLogin()
                .and()
                .sessionManagement()
                .maximumSessions(1);//最大会话数设置为1
    }
}