web.xml文件中配置了servlet,里面配置了所有的请求都被action接管,而这个action就是struts,并且配置了一些struts相关的参数,比如struts的配置文件,这里是struts-config.xml,你的里面是struts-config-ems-energynav.xml,在初始化时容器就会读入这些参数,所以你可以直接用而不用管,struts的配置文件里面是一样的,也由容器负责初始化过程,所以你在里面配置了就可以直接用了。
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="
http://java.sun.com/xml/ns/j2ee" xmlns:xsi="
http://www.w3.org/2001/XMLSchema-instance" version="2.4" xsi:schemaLocation="
http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>3</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>3</param-value>
</init-param>
<load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>