两种方法:
1.首先我们注入自定义的realm
shiroDbRealm.doGetAuthorizationInfo(SecurityUtils.getSubject().getPrincipals())
从新执行一遍doGetAuthorizationInfo
AuthorizationInfo authorizationInfo1 = getAuthorizationInfo(SecurityUtils.getSubject().getPrincipals());
doGetAuthorizationInfo方法,并写入缓存中。