<!-- https://mvnrepository.com/artifact/org.apache.shiro/shiro-core -->
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-core</artifactId>
    <version>1.4.1</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>jcl-over-slf4j</artifactId>
    <version>1.7.21</version>
</dependency>
<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>slf4j-log4j12</artifactId>
    <version>1.7.21</version>
</dependency>
<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>

log4j.rootLogger=INFO, stdout
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d %p 【%c】 - %m %n
# General Apache libraries
log4j.logger.org.apache=WARN
# Spring
log4j.logger.org.springframework=WARN
# Default Shiro logging
log4j.logger.org.apache.shiro=INFO
# Disable verbose logging
log4j.logger.org.apache.shiro.util.ThreadContext=WARN
log4j.logger.org.apache.shiro.cache.ehcache.EhCache=WARN

[users]
# user 'root' with password 'secret' and the 'admin' role
root = secret, admin
# user 'guest' with the password 'guest' and the 'guest' role
guest = guest, guest
# user 'presidentskroob' with password '12345' ("That's the same combination on
# my luggage!!!" ;)), and role 'president'
presidentskroob = 12345, president
# user 'darkhelmet' with password 'ludicrousspeed' and roles 'darklord' and 'schwartz'
darkhelmet = ludicrousspeed, darklord, schwartz
# user 'lonestarr' with password 'vespa' and roles 'goodguy' and 'schwartz'
lonestarr = vespa, goodguy, schwartz
# -----------------------------------------------------------------------------
# Roles with assigned permissions
#
# Each line conforms to the format defined in the
# org.apache.shiro.realm.text.TextConfigurationRealm#setRoleDefinitions JavaDoc
# -----------------------------------------------------------------------------
[roles]
# 'admin' role has all permissions, indicated by the wildcard '*'
admin = *
# The 'schwartz' role can do anything (*) with any lightsaber:
schwartz = lightsaber:*
# The 'goodguy' role is allowed to 'drive' (action) the winnebago (type) with
# license plate 'eagle5' (instance specific id)
goodguy = winnebago:drive:eagle5

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.*;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
 * Simple Quickstart application showing how to use Shiro's API.
 *
 * @since 0.9 RC2
 */
public class Quickstart {
    private static final transient Logger log = LoggerFactory.getLogger(Quickstart.class);
    public static void main(String[] args) {
        // The easiest way to create a Shiro SecurityManager with configured
        // realms, users, roles and permissions is to use the simple INI config.
        // We'll do that by using a factory that can ingest a .ini file and
        // return a SecurityManager instance:
        // Use the shiro.ini file at the root of the classpath
        // (file: and url: prefixes load from files and urls respectively):
        Factory<SecurityManager> factory = new IniSecurityManagerFactory("classpath:shiro.ini");
        SecurityManager securityManager = factory.getInstance();
        // for this simple example quickstart, make the SecurityManager
        // accessible as a JVM singleton.  Most applications wouldn't do this
        // and instead rely on their container configuration or web.xml for
        // webapps.  That is outside the scope of this simple quickstart, so
        // we'll just do the bare minimum so you can continue to get a feel
        // for things.
        SecurityUtils.setSecurityManager(securityManager);
        // Now that a simple Shiro environment is set up, let's see what you can do:
        // get the currently executing user:
        Subject currentUser = SecurityUtils.getSubject();
        // Do some stuff with a Session (no need for a web or EJB container!!!)
        Session session = currentUser.getSession();
        session.setAttribute("someKey", "aValue");
        String value = (String) session.getAttribute("someKey");
        if (value.equals("aValue")) {
            log.info("Retrieved the correct value! [" + value + "]");
        }
        // let's login the current user so we can check against roles and permissions:
        if (!currentUser.isAuthenticated()) {
            UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
            token.setRememberMe(true);
            try {
                currentUser.login(token);
            } catch (UnknownAccountException uae) {
                log.info("There is no user with username of " + token.getPrincipal());
            } catch (IncorrectCredentialsException ice) {
                log.info("Password for account " + token.getPrincipal() + " was incorrect!");
            } catch (LockedAccountException lae) {
                log.info("The account for username " + token.getPrincipal() + " is locked.  " +
                        "Please contact your administrator to unlock it.");
            }
            // ... catch more exceptions here (maybe custom ones specific to your application?
            catch (AuthenticationException ae) {
                //unexpected condition?  error?
            }
        }
        //say who they are:
        //print their identifying principal (in this case, a username):
        log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");
        //test a role:
        if (currentUser.hasRole("schwartz")) {
            log.info("May the Schwartz be with you!");
        } else {
            log.info("Hello, mere mortal.");
        }
        //test a typed permission (not instance-level)
        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.");
        }
        //a (very powerful) Instance Level permission:
        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!");
        }
        //all done - log out!
        currentUser.logout();
        System.exit(0);
    }
}

public class Quickstart {
    private static final transient Logger log = LoggerFactory.getLogger(Quickstart.class);
    public static void main(String[] args) {
        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)前用戶是否被認(rèn)證
        if (!currentUser.isAuthenticated()) {
            // Token：令牌
            UsernamePasswordToken token = new UsernamePasswordToken("lonestarr", "vespa");
            token.setRememberMe(true);// 設(shè)置記住我
            try {
                currentUser.login(token);// 執(zhí)行登錄操作
            } catch (UnknownAccountException uae) {
                log.info("There is no user with username of " + token.getPrincipal());
            } catch (IncorrectCredentialsException ice) {
                log.info("Password for account " + token.getPrincipal() + " was incorrect!");
            } catch (LockedAccountException lae) {
                log.info("The account for username " + token.getPrincipal() + " is locked.  " +
                        "Please contact your administrator to unlock it.");
            }
            // ... catch more exceptions here (maybe custom ones specific to your application?
            catch (AuthenticationException ae) {
                //unexpected condition?  error?
            }
        }
        //say who they are:
        //print their identifying principal (in this case, a username):
        log.info("User [" + currentUser.getPrincipal() + "] logged in successfully.");
        //test a role:
        if (currentUser.hasRole("schwartz")) {
            log.info("May the Schwartz be with you!");
        } else {
            log.info("Hello, mere mortal.");
        }
        //粗粒度
        //test a typed permission (not instance-level)
        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
        //a (very powerful) Instance Level permission:
        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
        //all done - log out!
        currentUser.logout();
        //結(jié)束
        System.exit(0);
    }
}

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<!--Shiro整合Spring的包-->
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-spring</artifactId>
    <version>1.4.1</version>
</dependency>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>update</h1>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>add</h1>
</body>
</html>

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>首頁(yè)</h1>
<p th:text="${msg}"></p>
<hr>
<a th:href="@{/user/add}">add</a> | <a th:href="@{/user/update}">update</a>
</body>
</html>

@Controller
public class MyController {
    @RequestMapping({"/","/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","Hello World");
        return "index";
    }
    @RequestMapping("/user/add")
    public String add(){
        return "user/add";
    }
    @RequestMapping("/user/update")
    public String update(){
        return "user/update";
    }
}

package com.lingbo.config;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
//自定義的 realm
public class UserRealm extends AuthorizingRealm {
    //授權(quán)
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        System.out.println("執(zhí)行了=>授權(quán)doGetAuthorizationInfo");
        return null;
    }
    //認(rèn)證
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        System.out.println("執(zhí)行了=>認(rèn)證doGetAuthenticationInfo");
        return null;
    }
}

package com.lingbo.config;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class ShiroConfig {
    //ShiroFilterFactoryBean
    @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
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 關(guān)聯(lián)UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }
    //創(chuàng)建 realm 對(duì)象，需要自定義類:1
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }
}

//ShiroFilterFactoryBean
@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)證即可訪問(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)
     */
    //攔截
    Map<String, String> filterMap = new LinkedHashMap<>();
    //filterMap.put("/user/add", "authc");
    //filterMap.put("/user/update", "anon");
    filterMap.put("/user/*", "authc");
    bean.setFilterChainDefinitionMap(filterMap);
    bean.setLoginUrl("/toLogin");
    return bean;
}

filterMap.put("/**", "authc");   // 1. 所有請(qǐng)求都要登錄
filterMap.put("/login", "anon"); // 2. 登錄頁(yè)放行 —— 永遠(yuǎn)不會(huì)執(zhí)行到！

filterMap.put("/login", "anon"); //登錄頁(yè)放行
filterMap.put("/static/**", "anon");//靜態(tài)資源放行
filterMap.put("/**", "authc");//其他頁(yè)面都要求登錄

@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)
    UsernamePasswordToken token = new UsernamePasswordToken(username, password);
    try {
        subject.login(token);//執(zhí)行登錄方法，如果沒(méi)有異常，就說(shuō)明OK了
        return "index";
    } catch (UnknownAccountException uae) {//用戶名不存在
        model.addAttribute("msg","用戶名錯(cuò)誤");
        return "login";
    } catch (IncorrectCredentialsException ice) {//密碼錯(cuò)誤
        model.addAttribute("msg","密碼錯(cuò)誤");
        return "login";
    }
}

subject.login(token)
  → SecurityManager.login(this, token)
    → Authenticator.authenticate(token)
      → 遍歷所有 Realm，調(diào)用 realm.getAuthenticationInfo(token)
        → 最終進(jìn)到自己寫的 UserRealm.doGetAuthenticationInfo(...)

//認(rèn)證
@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
    System.out.println("執(zhí)行了=>認(rèn)證doGetAuthenticationInfo");
    //用戶名，密碼 數(shù)據(jù)中取
    String name = "root";
    String password = "123456";
    UsernamePasswordToken userToken = (UsernamePasswordToken) authenticationToken;
    if (!name.equals(userToken.getUsername())) {
        return null;    //拋出UnknownAccountException異常
    }
    //密碼認(rèn)證，Shiro做
    return new SimpleAuthenticationInfo("", password, "");
}

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登錄</h1>
<hr>
<p th:text="${msg}" style="color: red;"></p>
<form th:action="@{/login}" method="post">
    <p>用戶名：<input type="text" name="username"></p>
    <p>密碼：<input type="text" name="password"></p>
    <p><input type="submit"></p>
</form>
</body>
</html>

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.36</version>
</dependency>
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
    <groupId>log4j</groupId>
    <artifactId>log4j</artifactId>
    <version>1.2.17</version>
</dependency>
<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.1.24</version>
</dependency>
<dependency>
    <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.1.3</version>
</dependency>

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    username: root
    password: 123456
    # 假如時(shí)區(qū)報(bào)錯(cuò)，就增加一個(gè)時(shí)區(qū)的配置
    url: jdbc:mysql://localhost:3306/mybatis?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8
    # 自定義數(shù)據(jù)源
    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.lingbo.pojo
mybatis.mapper-locations=classpath:mapper/*.xml

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

@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.lingbo.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) {
        User user = userMapper.queryUserByName(name);
        return user;
    }
}

//自定義的 realm
public class UserRealm extends AuthorizingRealm {
    @Autowired
    UserService userService;
    //授權(quán)
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        System.out.println("執(zhí)行了=>授權(quán)doGetAuthorizationInfo");
        return null;
    }
    //認(rèn)證
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        System.out.println("執(zhí)行了=>認(rèn)證doGetAuthenticationInfo");
        //用戶名，密碼 數(shù)據(jù)中取
        //String name = "root";
        //String password = "123456";
        UsernamePasswordToken userToken = (UsernamePasswordToken) authenticationToken;
        //連接真實(shí)數(shù)據(jù)庫(kù)
        User user = userService.queryUserByName(userToken.getUsername());
        if (user==null) {//沒(méi)有這個(gè)人
            return null;
        }
        //密碼認(rèn)證，Shiro做
        return new SimpleAuthenticationInfo("", user.getPwd(), "");
    }
}

//ShiroFilterFactoryBean
@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)證即可訪問(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)
     */
    //攔截
    Map<String, String> filterMap = new LinkedHashMap<>();
    //正常情況下，未授權(quán)會(huì)跳轉(zhuǎn)到未授權(quán)頁(yè)面
    filterMap.put("/user/add","perms[user:add]");
    filterMap.put("/user/update","perms[user:update]");
    filterMap.put("/user/*", "authc");
    bean.setFilterChainDefinitionMap(filterMap);
    bean.setUnauthorizedUrl("/noauth");
    bean.setLoginUrl("/toLogin");
    return bean;
}

    //授權(quán)
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        System.out.println("執(zhí)行了=>授權(quán)doGetAuthorizationInfo");
        SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
        //拿到當(dāng)前登錄的對(duì)象
        Subject subject = SecurityUtils.getSubject();
        User currentUser = (User) subject.getPrincipal();
        //設(shè)置當(dāng)前用戶的權(quán)限
        //若user在數(shù)據(jù)庫(kù)中字段perm的值為user:add則增加訪問(wèn)add頁(yè)面權(quán)限
        //authorizationInfo.addStringPermission("user:add");
        authorizationInfo.addStringPermission(currentUser.getPerm());
        return authorizationInfo;
    }
    //認(rèn)證
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        System.out.println("執(zhí)行了=>認(rèn)證doGetAuthenticationInfo");
        UsernamePasswordToken userToken = (UsernamePasswordToken) authenticationToken;
        //連接真實(shí)數(shù)據(jù)庫(kù)
        User user = userService.queryUserByName(userToken.getUsername());
        if (user==null) {//沒(méi)有這個(gè)人
            return null;
        }
        //密碼認(rèn)證，Shiro做
        //將當(dāng)前用戶信息存入Subject對(duì)象中
        return new SimpleAuthenticationInfo(user, user.getPwd(), "");
    }