springboot 整合 shiro 安全框架

<shiro.version>1.4.0</shiro.version>
       <!--shiro start-->
      <dependency>
        <groupId>org.apache.shiro</groupId>
        <artifactId>shiro-core</artifactId>
        <version>${shiro.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.shiro</groupId>
        <artifactId>shiro-web</artifactId>
        <version>${shiro.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.shiro</groupId>
        <artifactId>shiro-ehcache</artifactId>
        <version>${shiro.version}</version>
      </dependency>
      <dependency>
        <groupId>org.apache.shiro</groupId>
        <artifactId>shiro-spring</artifactId>
        <version>${shiro.version}</version>
      </dependency>
    <!--shiro end-->

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;
/**
 * 说明：Shiro身份认证
 * 作者：FH
 * From：fhadmin.org
 */
public class MyShiroRealm extends AuthorizingRealm {
    @Autowired
    @Lazy
    private UsersService usersService;
    /**
     * 登录认证
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken)authenticationToken;   //UsernamePasswordToken用于存放提交的登录信息
      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;
    }
  }
}