<dependencies>
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-core</artifactId>
            <version>1.4.1</version>
        </dependency>
 
        <!-- configure logging -->
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>jcl-over-slf4j</artifactId>
            <version>1.7.29</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.29</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
    </dependencies>

public class Quickstart {
    private static final transient Logger log = LoggerFactory.getLogger(Quickstart.class);
    public static void main(String[] args) {
        //工廠模式，通過(guò)shiro.ini配置文件中的信息，生成一個(gè)工廠實(shí)例
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
        SecurityManager securityManager = factory.getInstance();
        SecurityUtils.setSecurityManager(securityManager);
        //獲取當(dāng)前的用戶對(duì)象Subject
        Subject currentUser = SecurityUtils.getSubject();
        //通過(guò)當(dāng)前用戶拿到session
        Session session = currentUser.getSession();
        session.setAttribute("someKey", "aValue");
        String value = (String) session.getAttribute("someKey");
        if (value.equals("aValue")) {
            log.info("Subject=>session[" + value + "]");
        }
        //判斷當(dāng)前的用戶是否被認(rèn)證
        if (!currentUser.isAuthenticated()) {
            //Token :令牌,沒(méi)有獲取，隨機(jī)
            UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
            token.setRememberMe(true);  //設(shè)置記住我
            try {
                currentUser.login(token); //執(zhí)行了登錄操作
            } catch (UnknownAccountException uae) {
                //如果   用戶名不存在
                log.info("There is no user with username of " + token.getPrincipal());
            } catch (IncorrectCredentialsException ice) {
                //如果   密碼不正確
                log.info("Password for account " + token.getPrincipal() + " was incorrect!");
            } catch (LockedAccountException lae) {
                //用戶被鎖定，如密碼輸出過(guò)多，則被鎖定
                log.info("The account for username " + token.getPrincipal() + " is locked.  " +
                        "Please contact your administrator to unlock it.");
            }
            //...在此處捕獲更多異常
            catch (AuthenticationException ae) {
                //意外情況 ? 錯(cuò)誤 ?
            }
        }
        //打印其標(biāo)識(shí)主體(在這種情況下，為用戶名)
        log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");
 
        //測(cè)試角色是否存在
        if (currentUser.hasRole("schwartz")) {
            log.info("May the Schwartz be with you!");
        } else {
            log.info("Hello, mere mortal.");
        }
        //粗粒度，極限范圍小
        //測(cè)試類型化的極限（不是實(shí)例級(jí)別）
        if (currentUser.isPermitted("lightsaber:wield")) {
            log.info("You may use a lightsaber ring.  Use it wisely.");
        } else {
            log.info("Sorry, lightsaber rings are for schwartz masters only.");
        }
        //細(xì)粒度，極限范圍廣
        //實(shí)例級(jí)別的權(quán)限（非常強(qiáng)大）
        if (currentUser.isPermitted("winnebago:drive:eagle5")) {
            log.info("You are permitted to 'drive' the winnebago with license plate (id) 'eagle5'.  " +
                    "Here are the keys - have fun!");
        } else {
            log.info("Sorry, you aren't allowed to drive the 'eagle5' winnebago!");
        }
        //注銷
        currentUser.logout();
        //退出
        System.exit(0);
    }
}

 <!--SpringBoot 和 Shiro 整合包-->
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-spring</artifactId>
            <version>1.4.1</version>
        </dependency>

//自定義的 UserRealm        extends AuthorizingRealm
public class UserRealm extends AuthorizingRealm {
    //授權(quán)
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        //打印一個(gè)提示
        System.out.println("執(zhí)行了授權(quán)方法");
        return null;
    }
 
    //認(rèn)證
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        //打印一個(gè)提示
        System.out.println("執(zhí)行了認(rèn)證方法");
        return null;
    }
}

@Configuration
public class ShiroConfig {
 
    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebsecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //設(shè)置安全管理器
        bean.setSecurityManager(defaultWebsecurityManager);
        return bean;
    }
    //DefaultWebSecurityManager:2
    @Bean(name="securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager=new DefaultWebSecurityManager();
        //關(guān)閉UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }
    //創(chuàng)建realm 對(duì)象，需要自定義類:1
    @Bean(name="userRealm")
    public UserRealm userRealm(){
        return new UserRealm();
    }
}

@Configuration
public class ShiroConfig {
 
    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebsecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //設(shè)置安全管理器
        bean.setSecurityManager(defaultWebsecurityManager);
        //添加shiro的內(nèi)置過(guò)濾器
        /*
            anon : 無(wú)需認(rèn)證，就可以訪問(wèn)
            authc : 必須認(rèn)證了才能訪問(wèn)
            user : 必須擁有 “記住我” 功能才能用
            perms : 擁有對(duì)某個(gè)資源的權(quán)限才能訪問(wèn)
            role : 擁有某個(gè)角色權(quán)限才能訪問(wèn)
         */
 
        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");
        //攔截
        Map<String,String> filterMap=new LinkedHashMap<>();
        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);
 
//        //設(shè)置登錄的請(qǐng)求
//        bean.setLoginUrl("/toLogin");
        return bean;
    }

    //登錄的方法
    @RequestMapping("/login")
    public String login(String username, String password, Model model) {
        //獲取當(dāng)前用戶
        Subject subject = SecurityUtils.getSubject();
        //封裝用戶的登錄數(shù)據(jù),獲得令牌
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
        //登錄 及 異常處理
        try {
            //執(zhí)行用戶登錄的方法，如果沒(méi)有異常就說(shuō)明OK了
            subject.login(token);
            return "index";
        } catch (UnknownAccountException e) {
            //如果用戶名不存在
            System.out.println("用戶名不存在");
            model.addAttribute("msg", "用戶名錯(cuò)誤");
            return "login";
        } catch (IncorrectCredentialsException ice) {
            //如果密碼錯(cuò)誤
            System.out.println("密碼錯(cuò)誤");
            model.addAttribute("msg", "密碼錯(cuò)誤");
            return "login";
        }
    }
}

    //認(rèn)證
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        //打印一個(gè)提示
        System.out.println("執(zhí)行了認(rèn)證方法");
        // 用戶名密碼
        String name = "root";
        String password = "123456";
        //通過(guò)參數(shù)獲取登錄的控制器中生成的 令牌
        UsernamePasswordToken token = (UsernamePasswordToken) authenticationToken;
        //用戶名認(rèn)證
        if (!token.getUsername().equals(name)){
            // return null UnKnownAccountException
            return null;
        }
        //密碼認(rèn)證， Shiro 自己做，為了避免和密碼的接觸
        //最后返回一個(gè) AuthenticationInfo 接口的實(shí)現(xiàn)類，這里選擇 SimpleAuthenticationInfo
        // 三個(gè)參數(shù)：獲取當(dāng)前用戶的認(rèn)證 ； 密碼 ； 認(rèn)證名
        return new SimpleAuthenticationInfo("", password, "");
    }
}

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.19</version>
        </dependency>
 
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
 
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.12</version>
        </dependency>
       <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>2.1.1</version>
        </dependency>

spring:
  datasource:
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=UTF-8&useJDBCCompliantTimezoneShift=true&useLegacyDatetimeCode=false&serverTimezone=UTC
    driver-class-name: com.mysql.cj.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource
 
    #Spring Boot 默認(rèn)是不注入這些屬性值的，需要自己綁定
    #druid 數(shù)據(jù)源專有配置
    initialSize: 5
    minIdle: 5
    maxActive: 20
    maxWait: 60000
    timeBetweenEvictionRunsMillis: 60000
    minEvictableIdleTimeMillis: 300000
    validationQuery: SELECT 1 FROM DUAL
    testWhileIdle: true
    testOnBorrow: false
    testOnReturn: false
    poolPreparedStatements: true
 
    #配置監(jiān)控統(tǒng)計(jì)攔截的filters，stat:監(jiān)控統(tǒng)計(jì)、log4j：日志記錄、wall：防御sql注入
    #如果允許時(shí)報(bào)錯(cuò)  java.lang.ClassNotFoundException: org.apache.log4j.Priority
    #則導(dǎo)入 log4j 依賴即可，Maven 地址：https://mvnrepository.com/artifact/log4j/log4j
    filters: stat,wall,log4j
    maxPoolPreparedStatementPerConnectionSize: 20
    useGlobalDataSourceStat: true
    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
mybatis:
  type-aliases-package: com.huang.pojo
  mapper-locations: classpath:mybatis/mapper/*.xml

mybatis.type-aliases-package=com.longdi.pojo
mybatis.mapper-locations=classpath:mapper/*.xml

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.10</version>
            <scope>provided</scope>
        </dependency>

@Data
@AllArgsConstructor
@NoArgsConstructor
public class User {
        private int id;
        private String name;
        private String pwd;
        private String perms;
}

@Repository
@Mapper
public interface UserMapper {
    public User  queryUserByName(String name);
 
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
<mapper namespace="com.longdi.mapper.UserMapper">
 
    <select id="queryUserByName" resultType="User" parameterType="String">
        select * from mybatis.user where name=#{name}
    </select>
 
</mapper>

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

@Service
public class UserServiceImpl implements UserService{
 
    @Autowired
    UserMapper userMapper;
 
    @Override
    public User queryUserByName(String name) {
        return userMapper.queryUserByName(name);
    }
}

@SpringBootTest
class ShiroSpringbootApplicationTests {
    @Autowired
    UserServiceImpl userService;
    @Test
    void contextLoads() {
        System.out.println(userService.queryUserByName("longdi"));
    }
}

        <!--shiro和thymeleaf整合-->
        <dependency>
            <groupId>com.github.theborakompanioni</groupId>
            <artifactId>thymeleaf-extras-shiro</artifactId>
            <version>2.0.0</version>
        </dependency>