shiro：自定义remle（二）

其他 2020-04-24 23:00:48 阅读次数: 0

SpringMVC+SpringMVC+Mybatis项目

1：导入相关依赖

<dependencies>
        <!--测试依赖-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.11</version>
            <scope>test</scope>
        </dependency>

        <!--数据库驱动-->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.47</version>
        </dependency>
        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <!-- 数据库连接池 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.22</version>
        </dependency>

        <!--Mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.5.2</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.2</version>
        </dependency>

        <!--spring 数据源配置-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>5.1.9.RELEASE</version>
        </dependency>

        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.10</version>
        </dependency>

        <!--AOP的jar包-->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.4</version>
        </dependency>

        <!--Spring依赖-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>5.1.9.RELEASE</version>
        </dependency>


        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>servlet-api</artifactId>
            <version>2.5</version>
        </dependency>

        <!--shiro核心包依赖-->
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-core</artifactId>
            <version>1.4.0</version>
        </dependency>
        <!--shiro web包依赖-->
        <dependency>
            <groupId>org.apache.shiro</groupId>
            <artifactId>shiro-web</artifactId>
            <version>1.4.0</version>
        </dependency>

    </dependencies>

    <!--maven 静态资源管理，主要是为了导出mapper-->
    <build>
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.ini</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.ini</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
    </build>

2：数据库建表语句

/*用户表*/
CREATE TABLE `t_user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(20) NOT NULL,
  `password` varchar(100) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `username` (`username`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;

INSERT INTO `t_user` VALUES ('1', 'songsong', '123');
INSERT INTO `t_user` VALUES ('2', 'yuanhang', '456');

/*角色表*/
CREATE TABLE `t_role` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `role_name` varchar(50) NOT NULL,
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `role_name` (`role_name`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;

INSERT INTO `t_role` VALUES ('1', 'banzhang', '2019-10-10 00:00:00');
INSERT INTO `t_role` VALUES ('2', 'student', '2019-10-09 00:00:00');

/*权限表*/
CREATE TABLE `t_permission` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `permission_name` varchar(50) NOT NULL,
  `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  PRIMARY KEY (`id`),
  UNIQUE KEY `permission_name` (`permission_name`)
) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;


INSERT INTO `t_permission` VALUES ('1', 'student:yq', '2019-10-09 00:00:00');
INSERT INTO `t_permission` VALUES ('2', 'student:study', '2019-10-09 00:00:00');

/*用户 角色关联表*/
CREATE TABLE `t_user_role` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `user_id` int(11) DEFAULT NULL,
  `role_id` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `user_id` (`user_id`,`role_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;


INSERT INTO `t_user_role` VALUES ('1', '1', '1');
INSERT INTO `t_user_role` VALUES ('3', '1', '2');
INSERT INTO `t_user_role` VALUES ('2', '2', '2');

/*角色 权限关联表*/
CREATE TABLE `t_role_permission` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `permission_id` int(11) DEFAULT NULL,
  `role_id` int(11) DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `permission_id` (`permission_id`,`role_id`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

INSERT INTO `t_role_permission` VALUES ('1', '1', '1');
INSERT INTO `t_role_permission` VALUES ('2', '2', '1');
INSERT INTO `t_role_permission` VALUES ('3', '2', '2');

3：构建javaben对象

com\shiro\vo\UserVo.java

package com.shiro.vo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class UserVo {

    //用户id
    private Integer id;
    //用户名称
    private String username;
    //用户密码
    private String password;
}

com\shiro\vo\RoleVo.java

package com.shiro.vo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.util.Date;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class RoleVo {

    //角色id
    private Integer id;
    //角色名称
    private String roleName;
    //创建时间
    private Date createTime;
}

com\shiro\vo\PermissionVo.java

package com.shiro.vo;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.util.Date;

@Data
@AllArgsConstructor
@NoArgsConstructor
public class PermissionVo {

    //权限id
    private Integer id;
    //权限名称
    private String permissionName;
    //创建时间
    private Date createTime;
}

4：构建mapper接口以及配置文件

查询用户mapper：com\shiro\mapper\UserMapper.java

package com.shiro.mapper;

import com.shiro.vo.UserVo;
import org.apache.ibatis.annotations.Param;

public interface UserMapper {

    //通过用户名查询用户信息
    public UserVo queryUserByUsername(@Param("username") String username);
}

查询用户配置文件：com\shiro\mapper\UserMapper.xml

<?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.shiro.mapper.UserMapper">

    <select id="queryUserByUsername" parameterType="string" resultType="UserVo">
        select * from t_user where username = #{username}
    </select>

</mapper>

查询角色mapper：com\shiro\mapper\RoleMapper.java

package com.shiro.mapper;

import org.apache.ibatis.annotations.Param;
import java.util.Set;

public interface RoleMapper {

    //通过用户名查询角色
    public Set<String> queryAllRoleNameByUsername(@Param("username") String username);
}

查询角色配置文件：com\shiro\mapper\RoleMapper.xml

<?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.shiro.mapper.RoleMapper">

    <select id="queryAllRoleNameByUsername" parameterType="string" resultType="string">
        SELECT t_role.role_name FROM t_user
        INNER JOIN t_user_role on t_user.id = t_user_role.user_id
        INNER JOIN t_role on t_role.id = t_user_role.role_id
        where t_user.username = #{username}
    </select>
    
</mapper>

查询权限mapper：com\shiro\mapper\PermissionMapper.java

package com.shiro.mapper;

import org.apache.ibatis.annotations.Param;
import java.util.Set;

public interface PermissionMapper {

    //通过用户名查询权限
    public Set<String> queryAllPermissionByUsername(@Param("username") String username);
}

查询权限配置文件：com\shiro\mapper\PermissionMapper.xml

<?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.shiro.mapper.PermissionMapper">

    <select id="queryAllPermissionByUsername" parameterType="string" resultType="string">

        SELECT DISTINCT t_permission.permission_name FROM t_user
        INNER JOIN t_user_role on t_user.id = t_user_role.user_id
        INNER JOIN t_role on t_role.id = t_user_role.role_id
        INNER JOIN t_role_permission on t_role_permission.role_id = t_role.id
        INNER JOIN t_permission on t_permission.id = t_role_permission.permission_id
        where t_user.username = #{username}

    </select>

</mapper>

5：构建数据库连接文件

resources\jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://ip:3306/my_test?useUnicode=true&characterEncoding=utf8
jdbc.username=root
jdbc.password=xxxxxxx

6：构建mybatis配置文件

resources\mybatis-config.xml

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

    <settings>
        <!--打印sql语句-->
        <setting name="logImpl" value="STDOUT_LOGGING" />
        <!-- 全局性设置懒加载 -->
        <setting name="lazyLoadingEnabled" value="true"/>
        <!-- 每个属性都按需加载 -->
        <setting name="aggressiveLazyLoading" value="false"/>
        <!-- 开启驼峰命名 -->
        <setting name="mapUnderscoreToCamelCase" value="true" />
    </settings>

    <!--开启别名-->
    <typeAliases>
        <package name="com.shiro.vo" />
    </typeAliases>

    <!--mapper文件-->
    <mappers>
        <mapper resource="com/shiro/mapper/UserMapper.xml" />
        <mapper resource="com/shiro/mapper/RoleMapper.xml" />
        <mapper resource="com/shiro/mapper/PermissionMapper.xml" />
    </mappers>

</configuration>

7：构建dao层配置文件

resources\spring-mapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd">


    <!--加载jdbc配置文件-->
    <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:jdbc.properties</value>
            </list>
        </property>
    </bean>

    <!--数据源配置 数据源提供者包括：spring、c3p0、dbcp、druid-->
    <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="${jdbc.driver}"></property>
        <property name="url" value="${jdbc.url}"></property>
        <property name="username" value="${jdbc.username}"></property>
        <property name="password" value="${jdbc.password}"></property>
    </bean>

    <!--配置得到SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="dataSource"></property>
        <!--绑定mybatis配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"></property>
    </bean>

    <!--通过MapperScannerConfigurer配置dao接口扫描包 实现动态注入到spring容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--注入sqlSessionFactory-->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
        <!--要扫描的dao包-->
        <property name="basePackage" value="com.shiro.mapper" />
    </bean>

</beans>

8：构建service接口以及实现类

接口：com\shiro\service\UserService.java

package com.shiro.service;

import com.shiro.vo.UserVo;
import java.util.Set;

public interface UserService {

    /*查询用户*/
    public UserVo queryUserByUsername(String username);
    /*查询角色*/
    public Set<String> queryAllRoleNameByUsername(String username);
    /*查询权限*/
    public Set<String> queryAllPermissionByUsername(String username);
}

实现类：com\shiro\service\impl\UserServiceImpl.java

package com.shiro.service.impl;

import com.shiro.mapper.PermissionMapper;
import com.shiro.mapper.RoleMapper;
import com.shiro.mapper.UserMapper;
import com.shiro.service.UserService;
import com.shiro.vo.UserVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.Set;

@Service
public class UserServiceImpl implements UserService {

    @Autowired
    UserMapper userMapper;

    @Autowired
    RoleMapper roleMapper;

    @Autowired
    PermissionMapper permissionMapper;

    public UserVo queryUserByUsername(String username) {
        return this.userMapper.queryUserByUsername(username);
    }

    public Set<String> queryAllRoleNameByUsername(String username) {
        return this.roleMapper.queryAllRoleNameByUsername(username);
    }

    public Set<String> queryAllPermissionByUsername(String username) {
        return permissionMapper.queryAllPermissionByUsername(username);
    }
}

9：构建service层配置文件

resources\spring-service.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!--注解版扫描包，这个包下面的注解就会生效-->
    <context:component-scan base-package="com.shiro.service" />

    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"></property>
    </bean>

    <!--配置事务通知-->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!--给哪些方法配置事务-->
        <tx:attributes>
            <tx:method name="*" propagation="REQUIRED"/>
        </tx:attributes>
    </tx:advice>

    <!--配置事务切入-->
    <aop:config>
        <aop:pointcut id="txpoint" expression="execution(* com.shiro.mapper.*.*(..))"></aop:pointcut>
        <aop:advisor advice-ref="txAdvice" pointcut-ref="txpoint"></aop:advisor>
    </aop:config>

</beans>

10：构建controller控制类

com\shiro\controller\LoginController.java

package com.shiro.controller;

import com.shiro.vo.UserVo;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
@RequestMapping("/user")
public class LoginController {

    /*跳转登录界面*/
    @GetMapping("/login")
    public String login(){
        System.out.println("goto login page");
        return "login";
    }

    /*登录请求*/
    @PostMapping("/login")
    public String loginLogic(UserVo userVo){
        System.out.println("login logic");
        //获取subject
        Subject subject = SecurityUtils.getSubject();
        //获取令牌
        UsernamePasswordToken token = new UsernamePasswordToken(userVo.getUsername(), userVo.getPassword());
        //自动调用自定义的realm进行身份认证
        subject.login(token);
        System.out.println("登录状态为：" + subject.getPrincipal());
        return "login"; //登录成功
    }

    /*无权限页面，通过shiro.ini进行跳转*/
    @GetMapping("/error")
    public String userError(){
        System.out.println("没有权限访问的跳转页面");
        return "user_error";
    }
}

11：构建controller层配置文件

resources\springmvc-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context
        https://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/mvc
        https://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 自动扫描包，让指定包下的注解生效,由IOC容器统一管理 -->
    <context:component-scan base-package="com.shiro.controller"/>

    <!-- 让Spring MVC不处理静态资源 -->
    <mvc:default-servlet-handler />

    <!--annotation-driven配置帮助我们完成处理器映射器和处理器适配器-->
    <mvc:annotation-driven />

    <!--视图解析器:DispatcherServlet给他的ModelAndView-->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!--前缀-->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!--后缀-->
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

12：构建Spring总配置文件

resources\applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">

    <import resource="spring-mapper.xml"/>
    <import resource="spring-service.xml"/>
    <import resource="springmvc-servlet.xml"/>
</beans>

13：构建自定义shiro的Realm

com\shiro\realm\MyRealm.java

package com.shiro.realm;

import com.shiro.service.UserService;
import com.shiro.vo.UserVo;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
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.springframework.stereotype.Component;
import org.springframework.web.context.ContextLoader;
import java.util.Set;

@Component
/*自定义realm*/
public class MyRealm extends AuthorizingRealm {

    /*查询权限信息
    * 触发：请求触发：/user/query = roles["admin"]  
    * /user/insert = perms["user:insert"]  <shiro:hasRole  <shiro:hasPermission
    * 查询方式：通过用户名查询角色 权限信息
    * */
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principalCollection) {
        //获取用户登录时发送过来的用户名
        String username = principalCollection.getPrimaryPrincipal().toString();
        //查询用户权限（DB）
        UserService userServiceImpl = ContextLoader.getCurrentWebApplicationContext().getBean("userServiceImpl", UserService.class);
        Set<String> roles = userServiceImpl.queryAllRoleNameByUsername(username);
        Set<String> perms = userServiceImpl.queryAllPermissionByUsername(username);

        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo(roles);
        info.setStringPermissions(perms);
        return info;
    }

    /*查询身份信息
    * 触发：subject.login(token)
    * */
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {

        //获取用户登录时发送过来的用户名
        String username = token.getPrincipal().toString();
        //查询用户信息（DB）
        UserService userServiceImpl = ContextLoader.getCurrentWebApplicationContext().getBean("userServiceImpl", UserService.class);
        UserVo userVo = userServiceImpl.queryUserByUsername(username);
        if(userVo==null){
            return null;
        }

        return new SimpleAuthenticationInfo(userVo.getUsername(), userVo.getPassword(),this.getName());
    }
}

14：构建shiro配置文件

resources\shiro.ini

[main]
#没有身份认证时的跳转地址（自定义）
shiro.loginUrl= /user/login
#角色权限校验不通过时的跳转地址
shiro.unauthorizedUrl = /user/error
#登出后的跳转地址
shiro.redirectUrl = /user/login
#声明自定义realm
realm = com.shiro.realm.MyRealm
#注册安装自定义realm
securityManager.realms=$realm

[urls]
#不拦截
/user/login = anon
/getuser = anon
/getrole = anon
#删除用户 要登录而且角色必须是管理员和经理
/user/delUser = authc,roles["admin","manager"]
#查询用户 要登录而且必须有user:query的权限
/user/getallUsers = authc
#登出
/user/logout = logout

15：配置web.xml配置spring及shiro加载项

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">

    <!--
    在启动时初始化shiro环境 将securityManager托管到SecurityUtils工具类中
    -->
    <filter>
        <filter-name>shiroFilter</filter-name>
        <filter-class>org.apache.shiro.web.servlet.ShiroFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>shiroFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <!--加载shiro.ini默认配置-->
    <listener>
        <listener-class>org.apache.shiro.web.env.EnvironmentLoaderListener</listener-class>
    </listener>


    <!--1.注册DispatcherServlet-->
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--关联一个springmvc的配置文件:【servlet-name】-servlet.xml-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applicationContext.xml</param-value>
        </init-param>
        <!--启动级别-1-->
        <load-on-startup>1</load-on-startup>
    </servlet>

    <!--/ 匹配所有的请求；（不包括.jsp）-->
    <!--/* 匹配所有的请求；（包括.jsp）-->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--启动Web容器时，初始化spring配置，可以让自定义realm拿到bean-->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

</web-app>

16：构建相关界面

WEB-INF\jsp\login.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@ taglib prefix="shiro" uri="http://shiro.apache.org/tags" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<shiro:guest>
    欢迎您 游客~~~
</shiro:guest>
<br />
<shiro:notAuthenticated>
    请登录：
    <form action="/user/login" method="post">
        username:<input type="text" name="username"><br />
        password:<input type="text" name="password"><br />
        <button type="submit">登录</button>
    </form>
</shiro:notAuthenticated>
<br />
<shiro:authenticated>

        你已经登录 欢迎你：<shiro:principal /> <a href="/user/logout">退出</a>

    <br />
    <%--角色是banzhang或者student--%>
    <shiro:hasAnyRoles name="banzhang,student">
        都要学习【songsong、yuanhang】
    </shiro:hasAnyRoles>
    <br />
    <%--角色是student的--%>
    <shiro:hasRole name="student">
        我是学生【songsong、yuanhang】
    </shiro:hasRole>
    <br />
    <%--角色不是banzhang的--%>
    <shiro:lacksRole name="banzhang">
        我不是班长【yuanhang】
    </shiro:lacksRole>
    <br />
    <%--角色是banzhang的--%>
    <shiro:hasRole name="banzhang">
        我是班长【songsong】
    </shiro:hasRole>
    <br />
    <%--权限包含student:yq--%>
    <shiro:hasPermission name="student:yq">
        我有收钱的权限【songsong】
    </shiro:hasPermission>
    <br />
    <%--权限不包含student:yq的--%>
    <shiro:lacksPermission name="student:yq">
        我没有收钱的权限【yuanhang】
    </shiro:lacksPermission>

</shiro:authenticated>

</body>
</html>

WEB-INF\jsp\user_error.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    权限不足
</body>
</html>

17：访问测试

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