SecurityConfig.java 文件源码

@Bean
    public PreAuthenticatedAuthenticationProvider preAuthAuthenticationProvider(
//            final AuthenticationUserDetailsService<PreAuthenticatedAuthenticationToken> authenticationUserDetailsService)
            final AuthenticationUserDetailsService authenticationUserDetailsService)
    {
        return new PreAuthenticatedAuthenticationProvider(){{
            setPreAuthenticatedUserDetailsService(authenticationUserDetailsService);
        }};
    }