如何用Springboot快速整合shiro安全框架

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://Maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.11</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>demo02</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>demo02</name>
    <description>demo02</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.4.1</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.0</version>
        </dependency>
        <dependency>
            <groupId>Mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
           <version>8.0.31</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/log4j/log4j -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <!-- https://mvnrepository.com/artifact/com.alibaba/druid -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.12</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
         <artifactId>lombok</artifactId>
           <version>1.18.18</version>
            <scope>compile</scope>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.thymeleaf</groupId>
            <artifactId>thymeleaf</artifactId>
        </dependency>
        <dependency>
            <groupId>org.thymeleaf.extras</groupId>
            <artifactId>thymeleaf-extras-java8time</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>com.GitHub.theborakompaNIOni</groupId>
            <artifactId>thymeleaf-extras-shiro</artifactId>
            <version>2.0.0</version>
        </dependency>


    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

spring:
   datasource:
      username: xxxx
      passWord: xxxxxxxxxxxx
      url: jdbc:mysql://localhost:3306/mybatis
      driver-class-name: com.mysql.cj.jdbc.Driver
      type: com.alibaba.druid.pool.DruidDataSource
mybatis:
   mapper-locations: classpath:mapper
        //进行一个拦截
    Map<String,String> filterMap = new LinkedHashMap<String, String>();
//    filterMap.put("/user/add","authc");
//    filterMap.put("/user/update","authc");
        //授权
//        filterMap.put("/user/add","perms[user:add]"); //大家记得注意顺序！

        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        filterMap.put("/user/*","authc");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterMap);




    shiroFilterFactoryBean.setLoginUrl("/toLogin");
    //未授权页面
        shiroFilterFactoryBean.setUnauthorizedUrl("/noauth");
        return shiroFilterFactoryBean;
}
    //创建 DefaultWebSecurityManager
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager
    getDefaultWebSecurityManager(@Qualifier("userRealm")UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //2创建加密对象，设置相关属性
        HashedCredentialsMatcher matcher = new HashedCredentialsMatcher();
        //2.1采用md5加密
        matcher.setHashAlGorithmName("md5");
        //2.2迭代加密次数
        matcher.setHashIterations(3);
        //3将加密对象存储到myRealm中
        userRealm.setCredentialsMatcher(matcher);


//关联Realm
        securityManager.setRealm(userRealm);
        return securityManager;
    }
    //创建 realm 对象
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    //配置ShiroDialect：方言，用于 thymeleaf 和 shiro 标签配合使用
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }
}

package com.example.demo02.config;


import com.example.demo02.pojo.User;
import com.example.demo02.service.UserService;
import org.apache.shiro.SecurityUtils;
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.subject.PrincipalCollection;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.ByteSource;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.List;

//自定义得UserRaelm
public class UserRealm extends AuthorizingRealm {

    @Autowired
    UserService userService;
    //授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        System.out.println("执行了=》授权doGetAuthorizationInfo");
        SimpleAuthorizationInfo info=new SimpleAuthorizationInfo();

//        info.addStringPermission("user:update");
        info.addStringPermission("user:add");
        //拿到当前用户登陆对象
        Subject subject= SecurityUtils.getSubject();
        User currentUser= (User) subject.getPrincipal();//拿到User对象
         info.addStringPermission(currentUser.getPerms());//设置当前用户对象

        return info;
    }

    //执行认证逻辑
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
        System.out.println("执行了=>认证逻辑AuthenticationToken");
//假设数据库的用户名和密码
//        String name = "root";
//        String password = "123456";


//1.判断用户名
        UsernamePasswordToken userToken = (UsernamePasswordToken)token;
       //连接真实的数据库
        User user= userService.queryUserByName(userToken.getUsername());
//
        if(user==null){
            return  null;
        }
        Subject subject = SecurityUtils.getSubject();
        subject.getSession().setAttribute("loginUser",user);


//2. 验证密码,我们可以使用一个AuthenticationInfo实现类SimpleAuthenticationInfo
// shiro会自动帮我们验证！重点是第二个参数就是要验证的密码！
        return new SimpleAuthenticationInfo(user, user.getPwd(),ByteSource.Util.bytes("salt"),"");
//        if(user !=null){
//            AuthenticationInfo info = new SimpleAuthenticationInfo(
//                    token.getPrincipal(),
//                    user.getPwd(),
//                    ByteSource.Util.bytes("salt"),
//                    token.getPrincipal().toString()
//            );
//            return info;
//        }
//        return null;




    }
}

package com.example.demo02.service;


import com.example.demo02.mapper.UserMapper;
import com.example.demo02.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;
    @Override
    public User queryUserByName(String name) {
        return userMapper.queryUserByName(name);
    }
}

package com.example.demo02.service;

import com.example.demo02.pojo.User;

public interface UserService {
    public User queryUserByName(String name);
}

package com.example.demo02.mapper;

import com.example.demo02.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.stereotype.Repository;

@Repository
//@Mapper
public interface UserMapper {
    @Select("select * from user where name=#{name}")
    public User queryUserByName(@Param("name") String name);
}