<filter>
<!-- 设计过滤处理类，生成静态页面 -->
<filter-name>loginFilter</filter-name>
<filter-class>com.niit.filter.CheckLoginFilter</filter-class>
<!-- 重定向的URL -->
<init-param>
<param-name>redirectURL</param-name>
<param-value>/index.jsp</param-value>
</init-param>
<!-- 过滤的字段 -->
<init-param>
<param-name>checkSessionKey</param-name>
<param-value>username</param-value>
</init-param>
<!-- 不需要过滤的url -->
<init-param>
<param-name>notCheckURLList</param-name>
<param-value>/index.jsp</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>loginFilter</filter-name>
<url-pattern>*.jsp</url-pattern>
</filter-mapping>
