struts2chm程序包org.apache.struts2接口概要接口说明StrutsStaticsConstantsusedbyStruts.类概要类说明RequestUtilsRequesthandlingutilityclass.ServletActionContextWeb-specificcontextinformationforactions.StrutsConstantsThisclassprovidesacentrallocationforframeworkconfigurationkeysusedtoretrieveandstoreStr