Windows實現步驟：

server.xml修改方式

hosts修改方式

CAS客戶端配置

CAS配置filter.txt內容如下：

    <!-- ======================== 單點登錄開始 ======================== -->  
      <!-- 用於單點退出，該過濾器用於實現單點登出功能，可選配置-->  
    <listener>  
        <listener-class>org.jasig.cas.client.session.SingleSignOutHttpSessionListener</
 
listener-class>  
    </listener>  
    <!-- 該過濾器用於實現單點登出功能，可選配置。 -->  
    <filter>  
        <filter-name>CAS Single Sign Out Filter</filter-name>  
        <filter-class>org.jasig.cas.client.session.SingleSignOutFilter</filter-class>  
    </filter>  
    <
 
filter-mapping>  
        <filter-name>CAS Single Sign Out Filter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  
    <!-- 該過濾器負責用戶的認證工作，必須啟用它 -->  
    <filter>  
        <filter-name>CASFilter</filter-name>  
        <
 
filter-class>org.jasig.cas.client.authentication.AuthenticationFilter</filter-class>  
        <init-param>  
            <param-name>casServerLoginUrl</param-name>  
            <!--這裏為CAS服務器的地址，必須使用所創建的域名，不然驗證證書不通過 -->
            <param-value>https://www.bhz.com:8443/cas/login</param-value>  
        </init-param>  
        <init-param>  
            <param-name>serverName</param-name> 
            <!--這裏的server是服務端的IP-->   
            <param-value>http://localhost:8080</param-value>  
        </init-param>  
    </filter>  
    <filter-mapping>  
        <filter-name>CASFilter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  
    <!-- 該過濾器負責對Ticket的校驗工作，必須啟用它 -->  
    <filter>  
        <filter-name>CAS Validation Filter</filter-name>  
        <filter-class>  
            org.jasig.cas.client.validation.Cas20ProxyReceivingTicketValidationFilter</filter-class>  
        <init-param>  
            <param-name>casServerUrlPrefix</param-name>  
            <!--這裏為CAS服務器的地址，必須使用所創建的域名，不然驗證證書不通過 -->
            <param-value>https://www.bhz.com:8443/cas</param-value>  
        </init-param>  
        <init-param>  
            <param-name>serverName</param-name>  
            <param-value>http://localhost:8080</param-value>  
        </init-param>  
    </filter>  
    <filter-mapping>  
        <filter-name>CAS Validation Filter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  
    <!--  
        該過濾器負責實現HttpServletRequest請求的包裹，  
        比如允許開發者通過HttpServletRequest的getRemoteUser()方法獲得SSO登錄用戶的登錄名，可選配置。  
    -->  
    <filter>  
        <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>  
        <filter-class>  
            org.jasig.cas.client.util.HttpServletRequestWrapperFilter</filter-class>  
    </filter>  
    <filter-mapping>  
        <filter-name>CAS HttpServletRequest Wrapper Filter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>  
    <!--  
        該過濾器使得開發者可以通過org.jasig.cas.client.util.AssertionHolder來獲取用戶的登錄名。  
        比如AssertionHolder.getAssertion().getPrincipal().getName()。  
    -->  
    <filter>  
        <filter-name>CAS Assertion Thread Local Filter</filter-name>  
        <filter-class>org.jasig.cas.client.util.AssertionThreadLocalFilter</filter-class>  
    </filter>  
    <filter-mapping>  
        <filter-name>CAS Assertion Thread Local Filter</filter-name>  
        <url-pattern>/*</url-pattern>  
    </filter-mapping>   
    <!-- ======================== 單點登錄結束 ======================== -->  
    <!-- 自動根據單點登錄的結果設置本系統的用戶信息 -->     
    <filter>
        <filter-name>authValidateFilter</filter-name>
        <filter-class>bhz.com.util.AuthValidateFilter</filter-class>
    </filter>
    <filter-mapping>
        <filter-name>authValidateFilter</filter-name>
        <servlet-name>bhz-sys</servlet-name>
    </filter-mapping>    

單點登錄Windows實現