spring security 非页面登录

参考https://stackoverflow.com/questions/36937414/auto-login-spring-security

UserDetails userDetails = userDetailsService.loadUserByUsername(username);
Authentication authentication = new UsernamePasswordAuthenticationToken(userDetails, userDetails.getPassword(), userDetails.getAuthorities());
SecurityContextHolder.getContext().setAuthentication(authentication);
request.getSession().setAttribute(HttpSessionSecurityContextRepository.SPRING_SECURITY_CONTEXT_KEY, SecurityContextHolder.getContext());