content: package com.us.example.config;
  
  import com.us.example.service.CustomUserService;
  import com.us.example.service.MyFilterSecurityInterceptor;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
  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.UserDetailsService;
  import org.springframework.security.web.access.intercept.FilterSecurityInterceptor;
  
  /**
   * Created by yangyibo on 17/1/18.
   */
  
  
  @Configuration
  @EnableWebSecurity
  public class WebSecurityConfig extends WebSecurityConfigurerAdapter {
  
      @Autowired
      private MyFilterSecurityInterceptor myFilterSecurityInterceptor;
  
  
      @Bean
      UserDetailsService customUserService() { //注册UserDetailsService 的bean
          return new CustomUserService();
      }
  
      @Override
      protected void configure(AuthenticationManagerBuilder auth) throws Exception {
          auth.userDetailsService(customUserService()); //user Details Service验证
  
      }
  
      @Override
      protected void configure(HttpSecurity http) throws Exception {
          http.authorizeRequests()
                  .anyRequest().authenticated() //任何请求,登录后可以访问
                  .and()
                  .formLogin()
                  .loginPage("/login")
                  .failureUrl("/login?error")
                  .permitAll() //登录页面用户任意访问
                  .and()
                  .logout().permitAll(); //注销行为任意访问
          http.addFilterBefore(myFilterSecurityInterceptor, FilterSecurityInterceptor.class)
                  .csrf().disable();
  
  
      }
  }
  
  