笔记根据视频以及自己操作整理
视频地址：https://www.bilibili.com/video/BV1PE411i7CV?p=38

1、Shiro简介

1.1 什么是Shiro？

• Apache Shiro是一个Java 的安全(权限)框架。
• Shiro可以非常容易的开发出足够好的应用，其不仅可以用在JavaSE环境，也可以用在JavaEE环境。
• Shiro可以完成，认证，授权，加密，会话管理，Web集成，缓存等.
• 下载地址: http://shiro.apache.org/
• 
  1.2 有哪些功能？
  
  

1.3 外部结构

1.4 内部结构

2、快速开始

github地址：https://github.com/apache/shiro.
1、 创建新的maven项目

2、引入依赖

再去maven仓库中找到版本号

<dependencies>
    <!-- https://mvnrepository.com/artifact/org.apache.shiro/shiro-core -->
    <dependency>
        <groupId>org.apache.shiro</groupId>
        <artifactId>shiro-core</artifactId>
        <version>1.7.1</version>
    </dependency>


    <!-- configure logging -->
    <!-- https://mvnrepository.com/artifact/org.slf4j/jcl-over-slf4j -->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>jcl-over-slf4j</artifactId>
        <version>2.0.0-alpha1</version>
    </dependency>

    <!-- https://mvnrepository.com/artifact/org.slf4j/slf4j-log4j12 -->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>2.0.0-alpha1</version>
        <scope>test</scope>
    </dependency>

    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
</dependencies>

3、复制quickstart项目

resources目录下：

• log4j.properties

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

• shiro.ini

[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

java目录下：QuickStart.java

/*
 * 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.ini.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.lang.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);
    }
}

4、测试结果

3、整合springboot

1、搭建环境
1、创建springboot项目

新建测试页面：

<!DOCTYPE html>
<html lang="en" xmlns:th="http:www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>首页</h1>
<p th:text="${msg}"></p>
</body>
</html>

新建controller

@Controller
public class MyController {
    

    @GetMapping({
    "/","/index"})
    public String toIndex(Model model){
    
        model.addAttribute("msg", "hello shiro");
        return "index";
    }

}

测试成功。

2、整合springboot
1、引入依赖

<dependency>
		<groupId>org.apache.shiro</groupId>
		<artifactId>shiro-spring</artifactId>
		<version>1.7.1</version>
</dependency>

2、编写自定义Realm

//自定义的UserRealm
public class UserRealm extends AuthorizingRealm {
    
	//授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
    
        System.out.println("执行了=>授权doGetAuthorizationInfo");
        return null;
    }

	//认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
    
        System.out.println("执行了=>认证doGetAuthorizationInfo");
        return null;
    }
}

3、编写ShiroConfig

@Configuration
public class ShiroConfig {
    

    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager")DefaultWebSecurityManager defaultWebSecurityManager){
    
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        bean.setSecurityManager(defaultWebSecurityManager);
        return bean;
    }

    //DefaultWebSecurityManager:2
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
    
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return  securityManager;
    }


    //创建realm对象， 需要自定义
    @Bean
    public UserRealm userRealm(){
    
        return new UserRealm();
    }

}

4、创建测试页面：

4、实现登录拦截拦截

ShiroConfig.java

@Configuration
public class ShiroConfig {
    

    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager")DefaultWebSecurityManager defaultWebSecurityManager){
    
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加Shiro的内置过滤器
        /*anon: 无需认证就可以访问
        * authc: 必须认证了才能访问
        * user：必须拥有 记住我 功能才能访问
        * perms：拥有对某个资源的权限才能访问
        * role：拥有某个角色权限才能访问
        * */
        LinkedHashMap<String, String> filterMap = new LinkedHashMap<>();

        //filterMap.put("/user/add", "authc");
        //filterMap.put("/user/update", "authc");
        filterMap.put("/user/**", "authc");

        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/tologin");

        return bean;
    }

    //DefaultWebSecurityManager:2
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
    
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return  securityManager;
    }


    //创建realm对象， 需要自定义
    @Bean
    public UserRealm userRealm(){
    
        return new UserRealm();
    }

}

5、实现用户认证

MyController.java

....
@RequestMapping("/login")
    public String login(@RequestParam("username") String username, @RequestParam("password") String password, Model model){
    
        //获取当前用户
        Subject subject = SecurityUtils.getSubject();
        //封装用户数据
        UsernamePasswordToken token = new UsernamePasswordToken(username, password);

        try {
    
            subject.login(token);
            return "index";
        } catch (UnknownAccountException e){
     //用户名不存在
            model.addAttribute("msg", "用户名不存在");
            return "login";
        } catch (IncorrectCredentialsException e){
     //密码不存在
            model.addAttribute("msg", "密码错误");
            return "login";
        }
    }

login.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http:www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<h1>登录</h1>
<p th:text="${msg}" style="color: red"></p>
<form th:action="@{/login}">
    <p> 用户名： <input type="text" name="username"></p>
    <p> 密码： <input type="text" name="password"></p>
    <p> <input type="submit">登录</p>
</form>
</body>
</html>

Realm.java

public class UserRealm extends AuthorizingRealm {
    
    //授权
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
    
        System.out.println("执行了=>授权doGetAuthorizationInfo");
        return null;
    }

    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
    
        System.out.println("执行了=>认证doGetAuthorizationInfo");

        //用户名、密码、数据库中取
        String name = "root";
        String password = "123456";

        UsernamePasswordToken userToken = (UsernamePasswordToken) token;

        if (!userToken.getUsername().equals(name)){
    
            return null; // 抛出异常 UnknownAccountException
        }

        //密码认证，shiro做
        return new SimpleAuthenticationInfo("", password, "");
    }
}

6、整合mybatisplus

1、引入依赖

		<dependency>
			<groupId>com.baomidou</groupId>
			<artifactId>mybatis-plus-boot-starter</artifactId>
			<version>3.4.1</version>
		</dependency>
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.49</version>
		</dependency>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-jdbc</artifactId>
		</dependency>
		<dependency>
			<groupId>com.baomidou</groupId>
			<artifactId>mybatis-plus-generator</artifactId>
			<version>3.4.1</version>
		</dependency>
		<!-- 模板引擎 -->
		<dependency>
			<groupId>org.apache.velocity</groupId>
			<artifactId>velocity-engine-core</artifactId>
			<version>2.0</version>
		</dependency>
		

2、数据库

3、配置数据源

spring:
  datasource:
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/shiro_study
    driver-class-name: com.mysql.jdbc.Driver

3、代码生成器

// 代码自动生成器
public class xmhCode {
    
    public static void main(String[] args) {
    
        // 需要构建一个 代码自动生成器 对象
        AutoGenerator mpg = new AutoGenerator();
        // 配置策略
        // 1、全局配置
        GlobalConfig gc = new GlobalConfig();
        String projectPath = System.getProperty("user.dir");
        gc.setOutputDir(projectPath+"/02_shiro_springboot/src/main/java");
        gc.setOpen(false);
        gc.setFileOverride(false); // 是否覆盖
        gc.setServiceName("%sService"); // 去Service的I前缀
        gc.setIdType(IdType.ID_WORKER);
        gc.setDateType(DateType.ONLY_DATE);
        gc.setSwagger2(true);
        mpg.setGlobalConfig(gc);
        //2、设置数据源
        DataSourceConfig dsc = new DataSourceConfig();
        dsc.setUrl("jdbc:mysql://localhost:3306/shiro_study");
                dsc.setDriverName("com.mysql.jdbc.Driver");
        dsc.setUsername("root");
        dsc.setPassword("123456");
        dsc.setDbType(DbType.MYSQL);
        mpg.setDataSource(dsc);
        //3、包的配置
        PackageConfig pc = new PackageConfig();
        pc.setParent("com.xmh");
        pc.setEntity("pojo");
        pc.setMapper("mapper");
        pc.setService("service");
        pc.setController("controller");
        mpg.setPackageInfo(pc);
        //4、策略配置
        StrategyConfig strategy = new StrategyConfig();

        strategy.setInclude("user"); // 设置要映射的表名
                strategy.setNaming(NamingStrategy.underline_to_camel);
        strategy.setColumnNaming(NamingStrategy.underline_to_camel);
        strategy.setEntityLombokModel(true); // 自动lombok；
        strategy.setLogicDeleteFieldName("deleted");
         //自动填充配置
        TableFill gmtCreate = new TableFill("gmt_create", FieldFill.INSERT);
        TableFill gmtModified = new TableFill("gmt_modified",
                FieldFill.INSERT_UPDATE);
        ArrayList<TableFill> tableFills = new ArrayList<>();
        tableFills.add(gmtCreate);
        tableFills.add(gmtModified);
        strategy.setTableFillList(tableFills);
         //乐观锁
        strategy.setVersionFieldName("version");
        strategy.setRestControllerStyle(true);
        strategy.setControllerMappingHyphenStyle(true);
        mpg.setStrategy(strategy);
        mpg.execute(); //执行
    }
}

4、运行代码生成器。并且在springboot启动类上标注mapperScan（）


5、测试

@SpringBootTest
class ApplicationTests {
    

	@Autowired
	UserService userService;
	
	@Test
	void contextLoads() {
    
		QueryWrapper<User> wrapper = new QueryWrapper<>();
		wrapper.eq("username", "xmh");
		User one = userService.getOne(wrapper);
		System.out.println(one);

	}

}

6、从数据库中查询用户名密码：
UserRealm.java

//自定义的UserRealm
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");
        return null;
    }

    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
    
        System.out.println("执行了=>认证doGetAuthorizationInfo");

        UsernamePasswordToken userToken = (UsernamePasswordToken) token;

        //用户名、密码、数据库中取
        QueryWrapper<User> wrapper = new QueryWrapper<>();
        wrapper.eq("username", userToken.getUsername());
        User user = userService.getOne(wrapper);

        if (user == null){
    
            return null;// 抛出异常 UnknownAccountException
        }
        //密码认证，shiro做
        return new SimpleAuthenticationInfo("", user.getPassword(), "");
    }
}

7、启动测试，测试成功！

7、实现请求授权

controller中新增未授权页面

...
	@RequestMapping("/noauth")
    @ResponseBody
    public String noauth(){
    
        return "未经授权，无法访问此页面";
    }

ShiroConfig.java

@Configuration
public class ShiroConfig {
    

    //ShiroFilterFactoryBean:3
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("getDefaultWebSecurityManager")DefaultWebSecurityManager defaultWebSecurityManager){
    
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加Shiro的内置过滤器
        /*anon: 无需认证就可以访问
        * authc: 必须认证了才能访问
        * user：必须拥有 记住我 功能才能访问
        * perms：拥有对某个资源的权限才能访问
        * role：拥有某个角色权限才能访问
        * */
        LinkedHashMap<String, String> filterMap = new LinkedHashMap<>();

        //授权，正常情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add", "perms[user:add]");
        filterMap.put("/user/update", "perms[user:update]");


        //filterMap.put("/user/add", "authc");
        //filterMap.put("/user/update", "authc");
        filterMap.put("/user/**", "authc");

        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/toLogin");
        //未授权 跳转到未授权页面
        bean.setUnauthorizedUrl("/noauth");
        
        return bean;
    }

    //DefaultWebSecurityManager:2
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
    
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联UserRealm
        securityManager.setRealm(userRealm);
        return  securityManager;
    }


    //创建realm对象， 需要自定义
    @Bean
    public UserRealm userRealm(){
    
        return new UserRealm();
    }

}

增加数据库权限字段：


Realm.java

//自定义的UserRealm
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();

        //拿到当前登录的这个对象
        Subject subject = SecurityUtils.getSubject();
        User currentUser = (User) subject.getPrincipal();//拿到user对象

        //设置当前用户的权限
        info.addStringPermission(currentUser.getPerms());

        return info;
    }

    //认证
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
    
        System.out.println("执行了=>认证doGetAuthorizationInfo");

        UsernamePasswordToken userToken = (UsernamePasswordToken) token;

        //用户名、密码、数据库中取
        QueryWrapper<User> wrapper = new QueryWrapper<>();
        wrapper.eq("username", userToken.getUsername());
        User user = userService.getOne(wrapper);

        if (user == null){
    
            return null;// 抛出异常 UnknownAccountException
        }
        //密码认证，shiro做
        return new SimpleAuthenticationInfo(user, user.getPassword(), "");
    }
}