想向大家请教一个问题:怎么通过config.properties配置web.xml.
比如下面例子中的${group}, 想通过变量group=***来配置。请问如何做到
<filter>
<filter-name>sessionFilter</filter-name>
<filter-class>com.xxSessionFilter</filter-class>
<init-param>
<param-name>sessionConfigGroup</param-name>
<param-value>${group}</param-value>
</init-param>
</filter>