/** Comma separated list of patterns (java.util.regex.Pattern) to be excluded from Struts2-processing */
public static final String STRUTS_ACTION_EXCLUDE_PATTERN = "struts.action.excludePattern";
保存了不由struts2处理的路径,我们在struts.properties或者struts.xml中配置即可.
struts.action.excludePattern=/dwr/.*,/dwr/test/.*
正则表达式,并非URL匹配地址