单点登录cas与权限管理框架shiro集成------spring项目方式

<filter>
<filter-name>shiroFilter</filter-name>
<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
<init-param>
<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>

<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.0.xsd"
default-lazy-init="true">

<bean id="shiroFilter" class="org.apache.shiro.spring.web.ShiroFilterFactoryBean">
<property name="securityManager" ref="securityManager"/>
<!-- 设定角色的登录链接，这里为cas登录页面的链接可配置回调地址  -->
<property name="loginUrl" value="https://www.cas.com/login?service=http://www.example.com/shiro-cas" />

<property name="filters">
<util:map>
<!-- 添加casFilter到shiroFilter -->
<entry key="casFilter" value-ref="casFilter"/>
</util:map>
</property>
<property name="filterChainDefinitions">
<value>
/shiro-cas = casFilter
/admin/** = roles[ROLE_USER]
/** = anon
</value>
</property>
</bean>

<bean id="casFilter" class="org.apache.shiro.cas.CasFilter">
<!-- 配置验证错误时的失败页面  -->
<property name="failureUrl" value="/error.jsp"/>
</bean>

<bean id="casRealm" class="org.apache.shiro.cas.CasRealm">
<property name="defaultRoles" value="ROLE_USER"/>
<property name="casServerUrlPrefix" value="https://www.cas.com"/>
<!-- 客户端的回调地址设置，必须和下面的shiro-cas过滤器拦截的地址一致 -->
<property name="casService" value="http://www.example.com/shiro-cas"/>
</bean>

<bean id="securityManager" class="org.apache.shiro.web.mgt.DefaultWebSecurityManager">
<property name="realm" ref="casRealm"/>
<property name="subjectFactory" ref="casSubjectFactory"/>
</bean>

<!-- 如果要实现cas的remember me的功能，需要用到下面这个bean，并设置到securityManager的subjectFactory中 -->
<bean id="casSubjectFactory" class="org.apache.shiro.cas.CasSubjectFactory"/>

<bean id="lifecycleBeanPostProcessor" class="org.apache.shiro.spring.LifecycleBeanPostProcessor"/>

</beans>