直接贴示例，示例也摘自 官方 Interceptor 向导文档：设置 defaultStack 拦截器栈中的 validation 拦截器(实现类是 org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor)的excludeMethods参数，以及 workflow拦截器(实现类是 com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor)中的excludeMethods参数。
第一种方法：
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<action name= "myAction" class = "myActionClass">
<interceptor-ref name = "exception"/>
<interceptor-ref name = "alias"/>
<interceptor-ref name = "params"/>
<interceptor-ref name = "servletConfig"/>
<interceptor-ref name = "prepare"/>
<interceptor-ref name = "i18n"/>
<interceptor-ref name = "chain"/>
<interceptor-ref name = "modelDriven"/>
<interceptor-ref name = "fileUpload"/>
<interceptor-ref name = "staticParams"/>
<interceptor-ref name = "params"/>
<interceptor-ref name = "conversionError"/>
<interceptor-ref name = "validation">
<param name= "excludeMethods" >myValidationExcudeMethod </ param>
</interceptor-ref >
<interceptor-ref name = "workflow">
<param name= "excludeMethods" >myWorkflowExcludeMethod </ param>
</interceptor-ref >
</action>
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第二种方法：
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<action name= "myAction" class = "myActionClass">
<interceptor-ref name = "defaultStack">
<param name= "validation.excludeMethods" >myValidationExcludeMethod </ param>
<param name= "workflow.excludeMethods" >myWorkflowExcludeMethod </ param>
</interceptor-ref >
</action
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显然第一种方法挺麻烦的，如果有多个 action 都需要设置，那么得不停的拷贝粘贴那些重复的 interceptor-ref。第二种方法只需要设置该defaultStack中需要配置参数的 interceptor 的 参数即可，只是在 param.name 中加上 interceptor name 的前缀。
