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# 关键类

UsernamePasswordAuthenticationFilter

AuthenticationManager
1
public interface AuthenticationProvider {
    Authentication authenticate(Authentication var1) throws AuthenticationException;
    boolean supports(Class<?> var1);
}
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2
3
4
DaoAuthenticationProvider
1

UserDetailsService

SecurityContextHolder
1
  1. # 授权流程

FilterSecurityInterceptor

SecurityMetadataSource

AccessDecisionManager
1

授权决策

AccessDecisionVoter
1

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