JavaWEB之Filter的应用场景(3)

4.Struts2的核心就是filter，现在官方提倡的是StrutsPrepareAndExecuteFilter，不再使用FilterDispatcher

StrutsPrepareAndExecuteFilter的源码分析，请参照[http://0411.iteye.com/blog/1078574]，这里不再做描述

web.xml的配置如下：

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  <filter>

    <filter-name>struts2</filter-name>

    <filter-class>

            org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

  </filter>

  <filter-mapping>

    <filter-name>struts2</filter-name>

    <url-pattern>/*</url-pattern>

  </filter-mapping>

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