springboot 整合 shiro 安全框架

package org.fh.realm;
import java.util.Collection;
import java.util.HashSet;
import org.apache.shiro.authc.*;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.PrincipalCollection;
import org.fh.service.system.UsersService;
import org.fh.util.Const;
import org.fh.util.Jurisdiction;
import org.fh.entity.PageData;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
 
/**
 * 說明：Shiro身份認證
 * 作者：FH
 * From：fhadmin.org
 */
public class MyShiroRealm extends AuthorizingRealm {
 
    @Autowired
    @Lazy
    private UsersService usersService;
    /**
     * 登錄認證
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken)authenticationToken;   //UsernamePasswordToken用於存放提交的登錄信息
        PageData pd = new PageData();
        pd.put("USERNAME", token.getUsername());
            try {
                pd = usersService.findByUsername(pd);
                if (pd != null){
                    return new SimpleAuthenticationInfo(pd.getString("USERNAME"), pd.getString("PASSWORD"), getName());
                }
            } catch (Exception e) {
                return null;
            }
        return null;
    }
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        String USERNAME = (String) super.getAvailablePrincipal(principals);
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        Session session = Jurisdiction.getSession();
        Collection<String> shiroSet= new HashSet<String>();
        shiroSet = (Collection<String>)session.getAttribute(USERNAME + Const.SHIROSET);
        if(null != shiroSet){
            info.addStringPermissions(shiroSet);
            return info;
        }else {
            return null;
        }
    }
}