tomcat6.0支持 SSI相关配置
主要有以下几点：
1. conf/web.xml关于ssi的注释，打开，使 SSI配置生效
<servlet>
<servlet-name>ssi</servlet-name>
<servlet-class>
org.apache.catalina.ssi.SSIServlet
</servlet-class>
<init-param>
<param-name>buffered</param-name>
<param-value>1</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>expires</param-name>
<param-value>666</param-value>
</init-param>
<init-param>
<param-name>isVirtualWebappRelative</param-name>
<param-value>0</param-value>
</init-param>
<load-on-startup>4</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>ssi</servlet-name>
<url-pattern>*.shtml</url-pattern>
</servlet-mapping>
2. 修改 conf/context.xml文件
在标签<Context>里加入 privileged="true"
变为：
<Context privileged="true">
3. 在conf/web.xml中的ssi servlet配置中添加以下初始配置，解决编码问题。可根据自己设置 编码格式
<init-param>
<param-name>inputEncoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<init-param>
<param-name>outputEncoding</param-name>
<param-value>utf-8</param-value>
</init-param>
修改为：
<servlet>
<servlet-name>ssi</servlet-name>
<servlet-class>
org.apache.catalina.ssi.SSIServlet
</servlet-class>
<init-param>
<param-name>buffered</param-name>
<param-value>1</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>expires</param-name>
<param-value>666</param-value>
</init-param>
<init-param>
<param-name>isVirtualWebappRelative</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>inputEncoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<init-param>
<param-name>outputEncoding</param-name>
<param-value>utf-8</param-value>
</init-param>
<load-on-startup>4</load-on-startup>
</servlet>