spring boot 整合 shiro 权限框架

 1.配置 pom

<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-->

2. MyShiroRealm.java

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;
        }
    }

}