@boot 中filter SecurityUtils.getSubject()No SecurityManager accessible
* 在spring boot +spring shiro
* 自定义filter的拦截器 并从doFilter中调用 SecurityUtils.getSubject().getPrincipal()
* 抛出
* No SecurityManager accessible to the calling code, either bound to the
* org.apache.shiro.util.ThreadContext or as a vm static singleton.
* This is an invalid application configuration.
@Bean(“shiroFilter”) public ShiroFilterFactoryBean shirFilter(SecurityManager securityManager) { … }