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把Shiro整合到SSM框架中

2017-09-11 16:56 423 查看
转载自:http://blog.csdn.net/eson_15/article/details/51787391

其实Shiro整合到Spring中并没有想象的那么困难,整到Spring中后,我们自定义的realm啊、securityManager啊等等都会交给spring去管理了,包括我们需要指定哪些url需要做什么样的验证,都是交给spring,也就是说,完全可以摆脱原来的那个.ini配置文件了,会觉得非常清爽,非常有逻辑。好了,下面开始整,Shiro部分参考了它的官方文档:http://shiro.apache.org/spring.html


1. 整个工程目录结构

首先看一下整个工程的目录结构,先在宏观上对整体有个把握。 




2. 配置文件

首先来完成一些配置文件,先从pom.xml开始,我已经用注释将它们归归类了,很清晰。


2.1 pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion>
<groupId>demo.shiro</groupId>
<artifactId>ShiroSpring</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>ShiroSpring Maven Webapp</name>
<url>http://maven.apache.org</url>
<dependencies>
<!-- shiro核心包 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-core</artifactId>
<version>1.2.5</version>
</dependency>
<!-- 添加shiro web支持 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-web</artifactId>
<version>1.2.5</version>
</dependency>
<!-- 添加shiro spring支持 -->
<dependency>
<groupId>org.apache.shiro</groupId>
<artifactId>shiro-spring</artifactId>
<version>1.2.5</version>
</dependency>

<!-- 添加sevlet支持 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!-- 添加jsp支持 -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>javax.servlet.jsp-api</artifactId>
<version>2.3.1</version>
</dependency>
<!-- 添加jstl支持 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- 添加log4j日志 -->
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.21</version>
</dependency>

<!-- 添加spring支持 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>4.3.0.RELEASE</version>
</dependency>

<!-- 添加mybatis支持 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.0</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.0</version>
</dependency>

<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.38</version>
</dependency>

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>ShiroSpring</finalName>
</build>
</project>
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2.2 log4j.properties

这个文件,我都是直接从官方拷贝过来的,也贴一下:
log4j.rootLogger=DEBUG, Console

#Console
log4j.appender.Console=org.apache.log4j.ConsoleAppender
log4j.appender.Console.layout=org.apache.log4j.PatternLayout
log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n

log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
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2.3 web.xml

接下来在web.xml中添加Spring监听器、Shiro过滤器和SpringMVC支持:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
<display-name>ShiroSpring</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

<!-- spring监听器 -->
<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>

<!-- 添加springmvc支持 -->
<servlet>
<servlet-name>springMVC</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mvc.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springMVC</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>

<!-- 添加shiro过滤器 -->
<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<!-- 该值缺省为false,表示声明周期由SpringApplicationContext管理,设置为true表示ServletContainer管理 -->
<param-name>targetFilterLifecycle</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>shiroFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- 编码过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<async-supported>true</async-supported>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
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2.4 applicationContext.xml

这是整个工程的核心配置文件,先看一下配置,我再做一些分析。
<?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:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

<!-- 自动扫描 -->
<context:component-scan base-package="demo.service" />

<!-- 配置数据源 -->
<bean id="dataSource"
class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/db_shiro"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>

<!-- 配置mybatis的sqlSessionFactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描mappers.xml文件 -->
<property name="mapperLocations" value="classpath:demo/mappers/*.xml"></property>
<!-- mybatis配置文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>

<!-- DAO接口所在包名,Spring会自动查找其下的类 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="demo.dao" />
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
</bean>

<!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
<bean id="transactionManager"
class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean>

<!-- 自定义Realm -->
<bean id="myRealm" class="demo.realm.MyRealm"/>

<!-- 安全管理器 -->
<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<property name="realm" ref="myRealm"/>
</bean>

<!-- Shiro过滤器 -->
<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<!-- Shiro的核心安全接口,这个属性是必须的 -->
<property name="securityManager" ref="securityManager"/>
<!-- 身份认证失败,则跳转到登录页面的配置 -->
<property name="loginUrl" value="/login.jsp"/>
<!-- 权限认证失败,则跳转到指定页面 -->
<property name="unauthorizedUrl" value="/unauthorized.jsp"/>
<!-- Shiro连接约束配置,即过滤链的定义 -->
<property name="filterChainDefinitions">
<value>
/login=anon
/user/admin*=authc
/user/student*/**=roles[teacher]
/user/teacher*/**=perms["user:create"]
</value>
</property>
</bean>

<!-- 保证实现了Shiro内部lifecycle函数的bean执行 -->
<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>

<!-- 开启Shiro注解 -->
<bean class="org.springframework.aop.framework.autoproxy.DefaultAdvisorAutoProxyCreator" depends-on="lifecycleBeanPostProcessor"/>
<bean class="org.apache.shiro.spring.security.interceptor.AuthorizationAttributeSourceAdvisor">
<property name="securityManager" ref="securityManager"/>
</bean>

<!-- 配置事务通知属性 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- 定义事务传播属性 -->
<tx:attributes>
<tx:method name="insert*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="edit*" propagation="REQUIRED" />
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="new*" propagation="REQUIRED" />
<tx:method name="set*" propagation="REQUIRED" />
<tx:method name="remove*" propagation="REQUIRED" />
<tx:method name="delete*" propagation="REQUIRED" />
<tx:method name="change*" propagation="REQUIRED" />
<tx:method name="check*" propagation="REQUIRED" />
<tx:method name="get*" propagation="REQUIRED" read-only="true" />
<tx:method name="find*" propagation="REQUIRED" read-only="true" />
<tx:method name="load*" propagation="REQUIRED" read-only="true" />
<tx:method name="*" propagation="REQUIRED" read-only="true" />
</tx:attributes>
</tx:advice>

<!-- 配置事务切面 -->
<aop:config>
<aop:pointcut id="serviceOperation"
expression="execution(* demo.service.*.*(..))" />
<aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />
</aop:config>
</beans>
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  spring的配置文件中,我主要来说明一下shiro这一部分,因为其他部分都一样,扫描bean,配置数据源相关的,配置事务等等。我把上面shiro部分截图下来了: 


 

  从这部分的配置可以看出,其实就是和上一节中在.ini文件中配置的一样的,只不过现在换成让spring去管理了,也很好理解,当然这里自定义的MyRealm还没写,因为MyRealm中需要有关于数据库的操作,所以下面先把mybatis部分整合好(其实加上MyRealm,shiro部分已经整合完了~)。


3. 整合MyBatis


3.1 全局配置文件

  首先配置一下mybatis的全局配置文件mybatis-config.xml,因为数据源啥的都交给spring管理了,所以全局配置文件就比较清爽了,当然还有一些设置上的东西,就不配置了,这个要看具体实际中使用的时候在配置。
<?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>
<!-- 别名 -->
<typeAliases>
<package name="demo.entity"/>
</typeAliases>
</configura
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3.2 配置mapper映射文件

配置一下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="demo.dao.UserDao">
<!--
<resultMap type="User" id="UserResult">
<result property="id" column="id"/>
<result property="username" column="username"/>
<result property="password" column="password"/>
</resultMap>
-->

<select id="getByUsername" parameterType="String" resultType="User">
select * from t_user where username=#{username}
</select>

<select id="getRoles" parameterType="String" resultType="String">
select r.rolename from t_user u,t_role r where u.role_id=r.id and u.username=#{username}
</select>

<select id="getPermissions" parameterType="String" resultType="String">
select p.permissionname from t_user u,t_role r,t_permission p where u.role_id=r.id and p.role_id=r.id and u.username=#{username}
</select>

</mapper>
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  由配置可知,我们指定的是demo.dao.UserDao这个类,扫描mapper类是交给spring管理的,所以mapper接口可以不用和mapper映射文件同名且放到同一目录下,如果是交给mybatis管理我测试过是需要这么做的,在我之前mybatis的博文中也有提到这些。接下来就是写dao接口了(其实就是mapper映射文件对应的mapper接口)。


3.3 mapper接口

public interface UserDao {

public User getByUsername(String username);

public Set<String> getRoles(String username);

public Set<String> getPermissions(String username);
}
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  只需要写接口即可,不需要写实现,spring的配置文件中会去扫描mapper,会自动创建一个代理对象来执行相应的方法,要注意的是这个接口中的方法名要和上面mapper映射文件中的id号一样的,否则是无法映射到具体的statement上面的,会报错的。


3.4 po类

这里就写一个简单的User类,数据库中的存储信息可以参考上一篇博文,跟那边一样的。
public class User {

private Integer id;
private String username;
private String password;
//省略get set方法
}
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3.5 完成service

顺带着把service层也完善了,这里我就写实现类了,接口就不写了。
@Service("userService")
public class UserServiceImpl implements UserService{

@Resource
private UserDao userDao;

public User getByUsername(String username) {
return userDao.getByUsername(username);
}

public Set<String> getRoles(String username) {
return userDao.getRoles(username);
}

public Set<String> getPermissions(String username) {
return userDao.getPermissions(username);
}

}
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在service的实现类中,注入刚刚写好的dao接口即可调用其中的方法了,使用的是spring自动创建的代理对象去执行的。


4 整合SpringMVC


4.1 配置文件

  上面的工作做完了后,其实需要写一个测试程序来测试一下能否正确访问数据库,因为整合必须步步为营。由于这个比较简单,我就不写测试程序了。因为前面web.xml配置中已经加入springmvc的支持了,所以这里直接写一下spring-mvc.xml配置文件即可:
<?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:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation=" http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

<!-- 使用注解的包,包括子集 -->
<context:component-scan base-package="demo.controller" />

<!-- 视图解析器 -->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/" />
<property name="suffix" value=".jsp"></property>
</bean>

</beans>
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  我这里只配置了扫描包,没有配映射器和适配器,也没有写那个
<mvc:annotation-driven></mvc:annotation-driven>
注解驱动,也是可以执行的,我在网上没查到原因,也没去看源码,我的猜测是springmvc中可能有默认的映射器和适配器。如果有看过源码的朋友,请不吝赐教。


4.2 完成controller

配置好了后,就完成controller了,一个controller即可,因为一个controller中可以写很多方法。
@Controller
@RequestMapping("/user")
public class UserController {

//用户登录
@RequestMapping("/login")
public String login(User user, HttpServletRequest request) {
Subject subject = SecurityUtils.getSubject();
UsernamePasswordToken token = new UsernamePasswordToken(user.getUsername(), user.getPassword());
try{
subject.login(token);//会跳到我们自定义的realm中
request.getSession().setAttribute("user", user);
return "success";
}catch(Exception e){
e.printStackTrace();
request.getSession().setAttribute("user", user);
request.setAttribute("error", "用户名或密码错误!");
return "login";
}
}

@RequestMapping("/logout")
public String logout(HttpServletRequest request) {
request.getSession().invalidate();
return "index";
}

@RequestMapping("/admin")
public String admin(HttpServletRequest request) {
return "success";
}

@RequestMapping("/student")
public String student(HttpServletRequest request) {
return "success";
}

@RequestMapping("/teacher")
public String teacher(HttpServletRequest request) {
return "success";
}
}
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4.2 完成自定义realm

  终于可以写自己的realm了,上面用户登录会执行一个
subject.login(token);
这里会跳转到我们自定义的realm中,接下来就来定义一下我们自己的realm,由于这里是和mybatis整合了,所以不需要原来的那个DbUtil去连接数据库了,直接使用mybatis中的mapper接口,也就是上面我们写的dao。
public class MyRealm extends AuthorizingRealm {

@Resource
private UserService userService;

// 为当前登陆成功的用户授予权限和角色,已经登陆成功了
@Override
protected AuthorizationInfo doGetAuthorizationInfo(
PrincipalCollection principals) {
String username = (String) principals.getPrimaryPrincipal(); //获取用户名
SimpleAuthorizationInfo authorizationInfo = new SimpleAuthorizationInfo();
authorizationInfo.setRoles(userService.getRoles(username));
authorizationInfo.setStringPermissions(userService.getPermissions(username));
return authorizationInfo;
}

// 验证当前登录的用户,获取认证信息
@Override
protected AuthenticationInfo doGetAuthenticationInfo(
AuthenticationToken token) throws AuthenticationException {
String username = (String) token.getPrincipal(); // 获取用户名
User user = userService.getByUsername(username);
if(user != null) {
AuthenticationInfo authcInfo = new SimpleAuthenticationInfo(user.getUsername(), user.getPassword(), "myRealm");
return authcInfo;
} else {
return null;
}
}
}
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  这个自定义realm的原理和上一节是一样的,只不过这里使用注入的是service,然后service中使用的是dao接口中的方法去操作数据库。


5. 几个jsp页面

接下来就剩几个jsp页面了,我简单弄一下:
<!-- 这是login.jsp中的 -->
<body>
<form action="${pageContext.request.contextPath }/user/login.do" method="post">
username:<input type="text" name="username"/><br>
password:<input type="password" name="password"/><br>
<input type="submit" value="登陆">${error }
</form>
</body>

<!-- 这是success.jsp中的 -->
<body>
欢迎你${user.username }
<a href="${pageContext.request.contextPath }/user/logout.do">退出</a>
</body>

<!-- 这是unauthorized.jsp中的 -->
<body>
认证未通过,或者权限不足
<a href="${pageContext.request.contextPath }/user/logout.do">退出</a>
</body>
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6. 测试

  根据spring的配置文件中对shiro的url拦截配置,我们首先请求:http://localhost:8080/ShiroSpring/user/admin.do来测试身份认证,然后会跳转到登录页面让我们登陆,登陆成功后,再次请求这个url就会进入success.jsp页面了。 

  再测试角色和权限认证,可以先后输入http://localhost:8080/ShiroSpring/user/student.do来测试角色认证,输入http://localhost:8080/ShiroSpring/user/teacher.do来测试权限认证。通过登陆不同的用户去测试即可。 
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标签:  shiro