struts2 result 的type门类

struts2 result 的type类型
     <result-types>
            <result-type name="chain" default="true"/>
            <result-type name="freemarker" />
            <!-- Deprecated name form scheduled for removal in Struts 2.1.0. The camelCase versions are preferred. See ww-1707 -->
            <result-type name="redirect-action" />
        </result-types>