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SpringBoot整合Shiro思路(最新超详细)

2024-04-02 19:04:59 888人浏览安东尼

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摘要

目录1.SpringBoot整合shiro思路2. 环境搭建2.1 创建项目2.2 引入依赖2.3 创建前端页面2.4 配置视图信息2.5 解决idea冲突问题2.6 测试搭建的环境

6.1 创建数据库
6.2 引入依赖
6.3 配置数据源和整合mybatis
6.4 创建实体类entity
6.5 创建DAO接口
6.6 编写Mapper配置文件
6.7 创建Service接口
6.8 编写生成随机盐工具类
6.9 编写Service实现类
6.10 编写Controller
6.11 修改自定义Realm
6.12 编写获取对象工具类
6.13 修改Config
6.14 添加注册页面
6.15 测试

7. 授权实现

7.1 模拟数据实现授权

7.1.1 模拟数据
7.1.2 页面资源授权
7.1.3 代码方式授权
7.1.4 方法调用授权

7.2 数据库实现角色授权

7.2.1 授权数据持久化
7.2.2 创建数据库表
7.2.3 创建实体类
7.2.4 创建Dao接口
7.2.5 编写Mapper实现
7.2.6 编写Service接口
7.2.7 编写Service实现方法
7.2.8 修改自定义Realm

7.3 数据库实现权限授权

7.3.1 创建Dao接口
7.3.2 编写Mapper实现
7.3.3 编写Service接口
7.3.4 编写Service实现方法
7.3.5 修改自定义Realm
7.3.6 数据库表数据设置
7.3.7 测试

8. shiro使用缓存

8.1 Cache

8.1.1 Cache 作用
8.1.2 使用shiro中默认EhCache实现缓存
8.1.3 测试

8.2 Redis

8.2.1 shiro中使用Redis作为缓存实现

8. 测试

9. shrio实现验证功能

9.1 验证码工具类

9.2 开发页面加入验证码

9.3 开发控制器

9.4 放行验证码

9.5 修改认证流程

9.6 启动测试

10. shiro标签在jsp使用

11. Shiro整合springboot之thymeleaf权限控制

11.1 引入依赖

11.2 页面中引入命名空间

11.3 常见权限控制标签使用

11.4 加入shiro的方言配置

1.SpringBoot整合Shiro思路

在这里插入图片描述

2. 环境搭建

2.1 创建项目

在这里插入图片描述

2.2 引入依赖

pom.xml

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-WEB</artifactId>
    </dependency>

        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
        <optional>true</optional>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    <!--引入Jsp依赖-->
        <groupId>org.apache.Tomcat.embed</groupId>
        <artifactId>tomcat-embed-jasper</artifactId>
    <!--jstl-->
        <groupId>jstl</groupId>
        <artifactId>jstl</artifactId>
        <version>1.2</version>
</dependencies>
<build>
    <plugins>
        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-Maven-plugin</artifactId>
            <configuration>
                <excludes>
                    <exclude>
                        <groupId>org.projectlombok</groupId>
                        <artifactId>lombok</artifactId>
                    </exclude>
                </excludes>
            </configuration>
        </plugin>
    </plugins>
</build>

2.3 创建前端页面

在webapp文件夹中创建index.jsp和login.jsp
index.jsp

<%@page contentType="text/html;UTF-8" pageEncoding="UTF-8" isErrorPage="false" %>
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-Scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta Http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<%--受限资源--%>
<h1>系统主页</h1>
<ul>
    <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >用户管理</a></li>
    <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >商品管理</a></li>
    <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >订单管理</a></li>
    <li><a href="#" rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >物流管理</a></li>
</ul>
</body>
</html>

<%@page contentType="text/html;UTF-8" pageEncoding="UTF-8" isErrorPage="false" %>
<!doctype html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<h1>登录界面</h1>
<fORM action="${pageContext.request.contextPath}/user/login" method="post">
    用户名:<input type="text" name="username" > <br/>
    密码  : <input type="text" name="passWord"> <br>
    <input type="submit" value="登录">
</form>
</html>

2.4 配置视图信息

application.properties

server.port=8080
server.servlet.context-path=/shiro
spring.application.name=shiro

spring.mvc.view.prefix=/
spring.mvc.view.suffix=.jsp

2.5 解决IDEA冲突问题

JSP 与IDEA 与SpringBoot存在一定的不兼容，修改此配置即可解决

在这里插入图片描述

2.6 测试搭建的环境

在这里插入图片描述

3. 整合Shiro

3.1 引入依赖

pom.xml

<!--引入shrio-->
<dependency>
    <groupId>org.apache.shiro</groupId>
    <artifactId>shiro-spring-boot-starter</artifactId>
    <version>1.5.3</version>
</dependency>

3.2 自定义Realm

在shiro文件夹下创建realm文件夹

package com.test.shiro.realm;

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;


public class CustomerRealm extends AuthorizingRealm {
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        return null;
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        return null;
    }
}

3.3 Shiro配置

在config文件夹中创建ShiroConfig.java

@Configuration
public class ShiroConfig {
    //ShiroFilter过滤所有请求
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        //给ShiroFilter配置安全管理器
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        //配置系统受限资源
        //配置系统公共资源
        Map<String, String> map = new HashMap<String, String>();
        map.put("/index.jsp","authc");//表示这个资源需要认证和授权
        // 设置认证界面路径
        shiroFilterFactoryBean.setLoginUrl("/login.jsp");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(map);

        return shiroFilterFactoryBean;
    }
    //创建安全管理器
    @Bean
    public DefaultWebSecurityManager getDefaultWebSecurityManager(Realm realm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(realm);
        return securityManager;
    }
    //创建自定义Realm
    @Bean
    public Realm getRealm() {
        CustomerRealm realm = new CustomerRealm();
        return realm;
    }
}

3.4 启动测试

输入http://localhost:8080/shiro/index.jsp，发现需要跳转到login.jsp

在这里插入图片描述

4. 常见过滤器

注意: shiro提供和多个默认的过滤器，我们可以用这些过滤器来配置控制指定url的权限：

5. 认证和退出

5.1 在index.jsp添加a标签

index.jsp

<a href="${pageContext.request.contextPath}/user/loGout" rel="external nofollow"  rel="external nofollow" >退出登录</a>

5.2 编写controller

UserController.java

@Controller
@RequestMapping("/user")
public class UserController {
    @RequestMapping("logout")
    public String logout() {
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        return "redirect:/login.jsp";
    }
    @RequestMapping("/login")
    public String login(String username, String password) {
        //获取主题对象
        Subject subject = SecurityUtils.getSubject();
        try {
            subject.login(new UsernamePasswordToken(username,password));
            System.out.println("登录成功！！！");
            return "redirect:/index.jsp";
        } catch (UnknownAccountException e) {
            e.printStackTrace();
            System.out.println("用户错误！！！");
        } catch (IncorrectCredentialsException e) {
            System.out.println("密码错误！！！");
        }
        return "redirect:/login.jsp";
    }
}

5.3 修改自定义Realm

CustomerRealm.java


public class CustomerRealm extends AuthorizingRealm {
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        return null;
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        String principal = (String) authenticationToken.getPrincipal();
        if ("zhangsan".equals(principal)) {
            return new SimpleAuthenticationInfo(principal,"123456",this.getName());
        }
        return null;
    }
}

5.4 修改ShiroConfig配置

ShiroConfig.java
公共资源一定是在受限资源上面，不然会造成死循环。

@Configuration
public class ShiroConfig {
    //ShiroFilter过滤所有请求
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        //给ShiroFilter配置安全管理器
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        //配置系统受限资源
        //配置系统公共资源
        Map<String, String> map = new HashMap<String, String>();
        map.put("/user/login","anon");//表示这个为公共资源 一定是在受限资源上面
        map.put("
public class CustomerRealm extends AuthorizingRealm {
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        return null;
    }

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
        String principal = (String) authenticationToken.getPrincipal();
        //获取UserService对象
        UserService userService = (UserService) ApplicationContextUtil.getBean("userService");
        //System.out.println(userService);
        User user = userService.findByUsername(principal);
        if (!ObjectUtils.isEmpty(user)) {
            return new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), ByteSource.Util.bytes(user.getSalt()), this.getName());
        }
        return null;
    }
}

6.12 编写获取对象工具类

ApplicationContextUtil.java

@Component
public class ApplicationContextUtil implements ApplicationContextAware {

    private static ApplicationContext context;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.context = applicationContext;
    }
    //根据bean名字获取工厂中指定bean 对象
    public static Object getBean(String beanName) {
        return context.getBean(beanName);
    }
}

6.13 修改Config

ShiroConfig.java

@Configuration
public class ShiroConfig {
    //ShiroFilter过滤所有请求
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(DefaultWebSecurityManager securityManager) {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        //给ShiroFilter配置安全管理器
        shiroFilterFactoryBean.setSecurityManager(securityManager);
        //配置系统受限资源
        //配置系统公共资源
        Map<String, String> map = new HashMap<String, String>();
        map.put("/user/login","anon");//表示这个为公共资源 一定是在受限资源上面
        map.put("/user/reGISter","anon");//表示这个为公共资源 一定是在受限资源上面
        map.put("/register.jsp","anon");//表示这个为公共资源 一定是在受限资源上面
        map.put("
public class CustomerRealm extends AuthorizingRealm {
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        String principal = (String) principalCollection.getPrimaryPrincipal();
        //获取UserService对象
        UserService userService = (UserService) ApplicationContextUtil.getBean("userService");
        //System.out.println(userService);
        //基于角色授权
        User user = userService.findRoleByUsername(principal);
        if (!CollectionUtils.isEmpty(user.getRoles())) {
            SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
            user.getRoles().forEach(role -> info.addRole(role.getName()));
            return info;
        }
        return null;
    }
    ......
}

7.3 数据库实现权限授权

7.3.1 创建Dao接口

UserDao.java

	@Mapper
@Repository
public interface UserDao {
    //根据角色id查询权限集合
    Role findPermByRoleId(String id);
    //根据角色id查询权限集合
    List<Perms> findPermsByRoleId2(String id);
}

7.3.2 编写Mapper实现

UserDao.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.test.dao.UserDao">
    <resultMap id="roleMap" type="Role">
        <result column="name" property="name"/>
        <collection property="perms" javaType="list" ofType="Perms">
            <id column="id" property="id"/>
            <result column="name" property="name"/>
            <result column="url" property="url"/>
        </collection>
    </resultMap>
    <select id="findPermByRoleId" parameterType="String" resultType="Role" resultMap="roleMap">
        SELECT r.`name`,p.`id`,p.`name`,p.`url`
        FROM t_role r
        LEFT JOIN t_role_perms rp
        ON r.`id` = rp.`roleid`
        LEFT JOIN t_pers p
        ON rp.`permsid` = p.`id`
        WHERE r.`id` = #{id}
    </select>

    <select id="findPermsByRoleId2" parameterType="String" resultType="Perms">
      SELECT p.id,p.NAME,p.url,r.NAME
      FROM t_role r
      LEFT JOIN t_role_perms rp
      ON r.id=rp.roleid
      LEFT JOIN t_pers p ON rp.permsid=p.id
      WHERE r.id=#{id}
    </select>
</mapper>

7.3.3 编写Service接口

UserService.java

public interface UserService {
     //根据角色id查询权限集合
    Role findPermByRoleId(String id);
    //根据角色id查询权限集合
    List<Perms> findPermsByRoleId2(String id);
}

7.3.4 编写Service实现方法

UserServiceImpl.java

@Service("userService")
@Transactional
public class UserServiceImpl implements UserService {
    @Autowired
    private UserDao userDao;
    
  @Override
    public Role findPermByRoleId(String id) {
        return userDao.findPermByRoleId(id);
    }

    @Override
    public List<Perms> findPermsByRoleId2(String id) {
        return userDao.findPermsByRoleId2(id);
    }
}

7.3.5 修改自定义Realm

CustomerRealm.java


public class CustomerRealm extends AuthorizingRealm {
   @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        String principal = (String) principalCollection.getPrimaryPrincipal();
        //获取UserService对象
        UserService userService = (UserService) ApplicationContextUtil.getBean("userService");
        //System.out.println(userService);
        //基于角色授权
        User user = userService.findRoleByUsername(principal);
        System.out.println("user======="+user);
        if (!CollectionUtils.isEmpty(user.getRoles())) {
            SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
            user.getRoles().forEach(role ->{
                    info.addRole(role.getName());
                

                //权限信息
                List<Perms> perms = userService.findPermsByRoleId2(role.getId());
                System.out.println("perms========"+perms);
                if(!CollectionUtils.isEmpty(perms) && perms.get(0)!=null ){
                    perms.forEach(perm->{
                        info.addStringPermission(perm.getName());
                    });
                }
            });
            return info;
        }
        return null;
    }
    ......
}

7.3.6 数据库表数据设置

在这里插入图片描述

7.3.7 测试

在这里插入图片描述

8. shiro使用缓存

8.1 Cache

8.1.1 Cache 作用

Cache 缓存: 计算机内存中一段数据

作用: 用来减轻DB的访问压力,从而提高系统的查询效率

流程:

在这里插入图片描述

8.1.2 使用shiro中默认EhCache实现缓存

1.引入依赖

<!--引入shiro和ehcache-->
<dependency>
  <groupId>org.apache.shiro</groupId>
  <artifactId>shiro-ehcache</artifactId>
  <version>1.5.3</version>
</dependency>

2.开启缓存

//3.创建自定义realm
@Bean
public Realm getRealm() {
    CustomerRealm realm = new CustomerRealm();
    HashedCredentialsMatcher credentialsMatcher = new HashedCredentialsMatcher();
    //设置使用MD5加密算法
    credentialsMatcher.setHashAlgorithmName("md5");
    //散列次数
    credentialsMatcher.setHashIterations(1024);
    realm.setCredentialsMatcher(credentialsMatcher);

    //开启缓存管理器
    realm.setCacheManager(new EhCacheManager());
    realm.setCachingEnabled(true);//开启缓存
    realm.setAuthenticationCachingEnabled(true);//开启认证缓存
    realm.setAuthenticationCacheName("authentication");
    realm.setAuthorizationCachingEnabled(true);//开启授权缓存
    realm.setAuthorizationCacheName("authorization");

    return realm;
}

8.1.3 测试

注意:如果控制台没有任何sql展示说明缓存已经开启

8.2 Redis

8.2.1 shiro中使用Redis作为缓存实现

1.引入redis依赖

<!--redis整合springboot-->
<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

2.配置redis连接

spring.redis.port=6379
spring.redis.host=localhost
spring.redis.database=0

3.启动redis服务

在这里插入图片描述

4. 开发RedisCacheManager

自定义shiro缓存管理器
RedisCacheManager.java

import org.apache.shiro.cache.Cache;
import org.apache.shiro.cache.CacheException;
import org.apache.shiro.cache.CacheManager;

//自定义shiro缓存管理器
public class RedisCacheManager implements CacheManager {
    //参数1:认证或者是授权缓存的统一名称
    @Override
    public <K, V> Cache<K, V> getCache(String cacheName) throws CacheException {
        System.out.println(cacheName);
        return new RedisCache<K,V>(cacheName);
    }
}

5.开RedisCache实现

//自定义redis缓存的实现
public class RedisCache<k,v> implements Cache<k,v> {

    private String cacheName;

    public RedisCache() {
    }

    public RedisCache(String cacheName) {
        this.cacheName = cacheName;
    }

    @Override
    public v get(k k) throws CacheException {
        return (v) getRedisTemplate().opsForHash().get(this.cacheName, k.toString());
    }

    @Override
    public v put(k k, v v) throws CacheException {
        System.out.println("put key: "+k);
        System.out.println("put value:"+v);
        getRedisTemplate().opsForHash().put(this.cacheName,k.toString(), v);
        return null;
    }

    @Override
    public v remove(k k) throws CacheException {
        System.out.println("=============remove=============");
        return (v) getRedisTemplate().opsForHash().delete(this.cacheName,k.toString());
    }

    @Override
    public void clear() throws CacheException {
        System.out.println("=============clear==============");
        getRedisTemplate().delete(this.cacheName);
    }

    @Override
    public int size() {
        return getRedisTemplate().opsForHash().size(this.cacheName).intValue();
    }

    @Override
    public Set<k> keys() {
        return getRedisTemplate().opsForHash().keys(this.cacheName);
    }

    @Override
    public Collection<v> values() {
        return getRedisTemplate().opsForHash().values(this.cacheName);
    }

    private RedisTemplate getRedisTemplate(){
        RedisTemplate redisTemplate = (RedisTemplate) ApplicationContextUtil.getBean("redisTemplate");
        redisTemplate.seTKEySerializer(new StringRedisSerializer());
        redisTemplate.setHashKeySerializer(new StringRedisSerializer());
        return redisTemplate;
    }
}

6. 启动项目测试发现报错错误解释: 由于shiro中提供的simpleByteSource实现没有实现序列化,所有在认证时出现错误信息

在这里插入图片描述

解决方案如下：
实现实体类序列化
自定义salt实现实现序列化接口

import org.apache.shiro.codec.Base64;
import org.apache.shiro.codec.CodecSupport;
import org.apache.shiro.codec.Hex;
import org.apache.shiro.util.ByteSource;

import java.io.File;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Arrays;
//自定义salt实现 实现序列化接口
public class MyByteSource implements ByteSource, Serializable {
    private  byte[] bytes;
    private String cachedHex;
    private String cachedBase64;
    public MyByteSource(byte[] bytes) {
        this.bytes = bytes;
    }
    public MyByteSource(char[] chars) {
        this.bytes = CodecSupport.toBytes(chars);
    public MyByteSource(String string) {
        this.bytes = CodecSupport.toBytes(string);
    public MyByteSource(ByteSource source) {
        this.bytes = source.getBytes();
    public MyByteSource(File file) {
        this.bytes = (new MyByteSource.BytesHelper()).getBytes(file);
    public MyByteSource(InputStream stream) {
        this.bytes = (new MyByteSource.BytesHelper()).getBytes(stream);
    public static boolean isCompatible(Object o) {
        return o instanceof byte[] || o instanceof char[] || o instanceof String || o instanceof ByteSource || o instanceof File || o instanceof InputStream;
    public byte[] getBytes() {
        return this.bytes;
    public boolean isEmpty() {
        return this.bytes == null || this.bytes.length == 0;
    public String toHex() {
        if (this.cachedHex == null) {
            this.cachedHex = Hex.encodeToString(this.getBytes());
        }
        return this.cachedHex;
    public String toBase64() {
        if (this.cachedBase64 == null) {
            this.cachedBase64 = Base64.encodeToString(this.getBytes());
        return this.cachedBase64;
    public String toString() {
        return this.toBase64();
    public int hashCode() {
        return this.bytes != null && this.bytes.length != 0 ? Arrays.hashCode(this.bytes) : 0;
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        } else if (o instanceof ByteSource) {
            ByteSource bs = (ByteSource)o;
            return Arrays.equals(this.getBytes(), bs.getBytes());
        } else {
            return false;
    private static final class BytesHelper extends CodecSupport {
        private BytesHelper() {
        public byte[] getBytes(File file) {
            return this.toBytes(file);
        public byte[] getBytes(InputStream stream) {
            return this.toBytes(stream);
}

修改自定义realm中使用的salt

@Override
protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authenticationToken) throws AuthenticationException {
    String principal = (String) authenticationToken.getPrincipal();
    //获取UserService对象
    UserService userService = (UserService) ApplicationContextUtil.getBean("userService");
    //System.out.println(userService);
    User user = userService.findByUsername(principal);
    if (!ObjectUtils.isEmpty(user)) {
        return new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), new MyByteSource(user.getSalt()), this.getName());
    }
    return null;
}

8. 测试

在这里插入图片描述

9. shrio实现验证功能

9.1 验证码工具类

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import java.util.Random;


public class VerifyCodeUtils{

    //使用到Algerian字体，系统里没有的话需要安装字体，字体只显示大写，去掉了1,0,i,o几个容易混淆的字符
    public static final String VERIFY_CODES = "23456789ABCDEFGHJKLMNPQRSTUVWXYZ";
    private static Random random = new Random();


    
    public static String generateVerifyCode(int verifySize){
        return generateVerifyCode(verifySize, VERIFY_CODES);
    }
    
    public static String generateVerifyCode(int verifySize, String sources){
        if(sources == null || sources.length() == 0){
            sources = VERIFY_CODES;
        }
        int codesLen = sources.length();
        Random rand = new Random(System.currentTimeMillis());
        StringBuilder verifyCode = new StringBuilder(verifySize);
        for(int i = 0; i < verifySize; i++){
            verifyCode.append(sources.charAt(rand.nextInt(codesLen-1)));
        }
        return verifyCode.toString();
    }

    
    public static String outputVerifyImage(int w, int h, File outputFile, int verifySize) throws IOException{
        String verifyCode = generateVerifyCode(verifySize);
        outputImage(w, h, outputFile, verifyCode);
        return verifyCode;
    }

    
    public static String outputVerifyImage(int w, int h, OutputStream os, int verifySize) throws IOException{
        String verifyCode = generateVerifyCode(verifySize);
        outputImage(w, h, os, verifyCode);
        return verifyCode;
    }

    
    public static void outputImage(int w, int h, File outputFile, String code) throws IOException{
        if(outputFile == null){
            return;
        }
        File dir = outputFile.getParentFile();
        if(!dir.exists()){
            dir.mkdirs();
        }
        try{
            outputFile.createNewFile();
            FileOutputStream fos = new FileOutputStream(outputFile);
            outputImage(w, h, fos, code);
            fos.close();
        } catch(IOException e){
            throw e;
        }
    }

    
    public static void outputImage(int w, int h, OutputStream os, String code) throws IOException{
        int verifySize = code.length();
        BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
        Random rand = new Random();
        Graphics2D g2 = image.createGraphics();
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);
        Color[] colors = new Color[5];
        Color[] colorSpaces = new Color[] { Color.WHITE, Color.CYAN,
                Color.GRAY, Color.LIGHT_GRAY, Color.MAGENTA, Color.ORANGE,
                Color.PINK, Color.YELLOW };
        float[] fractions = new float[colors.length];
        for(int i = 0; i < colors.length; i++){
            colors[i] = colorSpaces[rand.nextInt(colorSpaces.length)];
            fractions[i] = rand.nextFloat();
        }
        Arrays.sort(fractions);

        g2.setColor(Color.GRAY);// 设置边框色
        g2.fillRect(0, 0, w, h);

        Color c = getRandColor(200, 250);
        g2.setColor(c);// 设置背景色
        g2.fillRect(0, 2, w, h-4);

        //绘制干扰线
        Random random = new Random();
        g2.setColor(getRandColor(160, 200));// 设置线条的颜色
        for (int i = 0; i < 20; i++) {
            int x = random.nextInt(w - 1);
            int y = random.nextInt(h - 1);
            int xl = random.nextInt(6) + 1;
            int yl = random.nextInt(12) + 1;
            g2.drawLine(x, y, x + xl + 40, y + yl + 20);
        }

        // 添加噪点
        float yawpRate = 0.05f;// 噪声率
        int area = (int) (yawpRate * w * h);
        for (int i = 0; i < area; i++) {
            int x = random.nextInt(w);
            int y = random.nextInt(h);
            int rgb = getRandomIntColor();
            image.setRGB(x, y, rgb);
        }

        shear(g2, w, h, c);// 使图片扭曲

        g2.setColor(getRandColor(100, 160));
        int fontSize = h-4;
        Font font = new Font("Algerian", Font.ITALIC, fontSize);
        g2.setFont(font);
        char[] chars = code.toCharArray();
        for(int i = 0; i < verifySize; i++){
            AffineTransform affine = new AffineTransform();
            affine.setToRotation(Math.PI / 4 * rand.nextDouble() * (rand.nextBoolean() ? 1 : -1), (w / verifySize) * i + fontSize/2, h/2);
            g2.setTransform(affine);
            g2.drawChars(chars, i, 1, ((w-10) / verifySize) * i + 5, h/2 + fontSize/2 - 10);
        }

        g2.dispose();
        ImageIO.write(image, "jpg", os);
    }

    private static Color getRandColor(int fc, int bc) {
        if (fc > 255)
            fc = 255;
        if (bc > 255)
            bc = 255;
        int r = fc + random.nextInt(bc - fc);
        int g = fc + random.nextInt(bc - fc);
        int b = fc + random.nextInt(bc - fc);
        return new Color(r, g, b);
    }

    private static int getRandomIntColor() {
        int[] rgb = getRandomRgb();
        int color = 0;
        for (int c : rgb) {
            color = color << 8;
            color = color | c;
        }
        return color;
    }

    private static int[] getRandomRgb() {
        int[] rgb = new int[3];
        for (int i = 0; i < 3; i++) {
            rgb[i] = random.nextInt(255);
        }
        return rgb;
    }

    private static void shear(Graphics g, int w1, int h1, Color color) {
        shearX(g, w1, h1, color);
        shearY(g, w1, h1, color);
    }

    private static void shearX(Graphics g, int w1, int h1, Color color) {

        int period = random.nextInt(2);

        boolean borderGap = true;
        int frames = 1;
        int phase = random.nextInt(2);

        for (int i = 0; i < h1; i++) {
            double d = (double) (period >> 1)
                    * Math.sin((double) i / (double) period
                    + (6.2831853071795862D * (double) phase)
                    / (double) frames);
            g.copyArea(0, i, w1, 1, (int) d, 0);
            if (borderGap) {
                g.setColor(color);
                g.drawLine((int) d, i, 0, i);
                g.drawLine((int) d + w1, i, w1, i);
            }
        }

    }

    private static void shearY(Graphics g, int w1, int h1, Color color) {

        int period = random.nextInt(40) + 10; // 50;

        boolean borderGap = true;
        int frames = 20;
        int phase = 7;
        for (int i = 0; i < w1; i++) {
            double d = (double) (period >> 1)
                    * Math.sin((double) i / (double) period
                    + (6.2831853071795862D * (double) phase)
                    / (double) frames);
            g.copyArea(i, 0, 1, h1, 0, (int) d);
            if (borderGap) {
                g.setColor(color);
                g.drawLine(i, (int) d, i, 0);
                g.drawLine(i, (int) d + h1, i, h1);
            }

        }

    }
    public static void main(String[] args) throws IOException {
        //获取验证码
        String s = generateVerifyCode(4);
        //将验证码放入图片中
        outputImage(260,60,new File("/Users/chenyannan/Desktop/安工资料/aa.jpg"),s);
        System.out.println(s);
    }
}

9.2 开发页面加入验证码

<form action="${pageContext.request.contextPath}/user/login" method="post">
    用户名:<input type="text" name="username"> 

    密码 : <input type="text" name="password"> 

    请输入验证码: <input type="text" name="code"><img src="${pageContext.request.contextPath}/user/getImage" alt="">

    <input type="submit" value="登录">
</form>

9.3 开发控制器

@RequestMapping("getImage")
public void getImage(httpsession session, HttpServletResponse response) throws IOException {
  //生成验证码
  String code = VerifyCodeUtils.generateVerifyCode(4);
  //验证码放入session
  session.setAttribute("code",code);
  //验证码存入图片
  ServletOutputStream os = response.getOutputStream();
  response.setContentType("image/png");
  VerifyCodeUtils.outputImage(220,60,os,code);
}

9.4 放行验证码

ShiroConfig.java

map.put("/user/getImage","anon");//验证码

9.5 修改认证流程

@RequestMapping("login")
public String login(String username, String password,String code,HttpSession session) {
    //比较验证码
    String codes = (String) session.getAttribute("code");
    try {
        if (codes.equalsIgnoreCase(code)){
            //获取主体对象
            Subject subject = SecurityUtils.getSubject();
                subject.login(new UsernamePasswordToken(username, password));
                return "redirect:/index.jsp";
        }else{
            throw new RuntimeException("验证码错误!");
        }
    } catch (UnknownAccountException e) {
        e.printStackTrace();
        System.out.println("用户名错误!");
    } catch (IncorrectCredentialsException e) {
        e.printStackTrace();
        System.out.println("密码错误!");
    }catch (Exception e){
        e.printStackTrace();
        System.out.println(e.getMessage());
    }
    return "redirect:/login.jsp";
}

9.6 启动测试

在这里插入图片描述

10. shiro标签在jsp使用

需要在jsp页面中引入标签
<%@ taglib uri="http://shiro.apache.org/tags" prefix="shiro" %>
标签：
<shiro:authenticated> 登录之后
<shiro:notAuthenticated> 不在登录状态时
<shiro:guest> 用户在没有RememberMe时
<shiro:user> 用户在RememberMe时
<shiro:hasAnyRoles name="abc,123" > 在有abc或者123角色时
<shiro:hasRole name="abc"> 拥有角色abc
<shiro:lacksRole name="abc"> 没有角色abc
<shiro:hasPermission name="abc"> 拥有权限资源abc <shiro:lacksPermission name="abc"> 没有abc权限资源
<shiro:principal> 显示用户身份名称
<shiro:principal property="username"/> 显示用户身份中的属性值

11. Shiro整合springboot之thymeleaf权限控制

11.1 引入依赖

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

11.2 页面中引入命名空间

<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:shiro="http://www.pollix.at/thymeleaf/shiro">

11.3 常见权限控制标签使用

<!-- 验证当前用户是否为“访客”，即未认证（包含未记住）的用户。 -->
<p shiro:guest="">Please <a href="login.html" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >login</a></p>

<!-- 认证通过或已记住的用户。 -->
<p shiro:user="">
    Welcome back John! Not John? Click <a href="login.html" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >here</a> to login.
</p>
<!-- 已认证通过的用户。不包含已记住的用户，这是与user标签的区别所在。 -->
<p shiro:authenticated="">
    Hello, <span shiro:principal=""></span>, how are you today?
<a shiro:authenticated="" href="updateAccount.html" rel="external nofollow" >Update your contact information</a>
<!-- 输出当前用户信息，通常为登录帐号信息。 -->
<p>Hello, <shiro:principal/>, how are you today?</p>
<!-- 未认证通过用户，与authenticated标签相对应。与guest标签的区别是，该标签包含已记住用户。 -->
<p shiro:notAuthenticated="">
    Please <a href="login.html" rel="external nofollow"  rel="external nofollow"  rel="external nofollow" >login</a> in order to update your credit card information.
<!-- 验证当前用户是否属于该角色。 -->
<a shiro:hasRole="admin" href="admin.html" rel="external nofollow" >Administer the system</a><!-- 拥有该角色 -->
<!-- 与hasRole标签逻辑相反，当用户不属于该角色时验证通过。 -->
<p shiro:lacksRole="developer"><!-- 没有该角色 -->
    Sorry, you are not allowed to developer the system.
<!-- 验证当前用户是否属于以下所有角色。 -->
<p shiro:hasAllRoles="developer, 2"><!-- 角色与判断 -->
    You are a developer and a admin.
<!-- 验证当前用户是否属于以下任意一个角色。  -->
<p shiro:hasAnyRoles="admin, vip, developer,1"><!-- 角色或判断 -->
    You are a admin, vip, or developer.
<!--验证当前用户是否拥有指定权限。  -->
<a shiro:hasPermission="userInfo:add" href="createUser.html" rel="external nofollow"  rel="external nofollow" >添加用户</a><!-- 拥有权限 -->
<!-- 与hasPermission标签逻辑相反，当前用户没有制定权限时，验证通过。 -->
<p shiro:lacksPermission="userInfo:del"><!-- 没有权限 -->
    Sorry, you are not allowed to delete user accounts.
<!-- 验证当前用户是否拥有以下所有角色。 -->
<p shiro:hasAllPermissions="userInfo:view, userInfo:add"><!-- 权限与判断 -->
    You can see or add users.
<!-- 验证当前用户是否拥有以下任意一个权限。  -->
<p shiro:hasAnyPermissions="userInfo:view, userInfo:del"><!-- 权限或判断 -->
    You can see or delete users.
<a shiro:hasPermission="pp" href="createUser.html" rel="external nofollow"  rel="external nofollow" >Create a new User</a>

11.4 加入shiro的方言配置

页面标签不起作用一定要记住加入方言处理

@Bean(name = "shiroDialect")
public ShiroDialect shiroDialect(){
  return new ShiroDialect();
}

内容参考：
B站编程不良人：https://www.bilibili.com/video/BV1uz4y197Zm
仅用于学习！

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