struts.action.extension
          The URL extension to use to determine if the request is meant for a Struts action 
           用URL扩展名来确定是否这个请求是被用作Struts action，其实也就是设置 action的后缀，例如login.do的'do'字。

struts.configuration
          The org.apache.struts2.config.Configuration implementation class
            org.apache.struts2.config.Configuration接口名

struts.configuration.files
          A list of configuration files automatically loaded by Struts 
           struts自动加载的一个配置文件列表

struts.configuration.xml.reload
          Whether to reload the XML configuration or not
           是否加载xml配置(true,false)

struts.continuations.package
           The package containing actions that use Rife continuations
           含有actions的完整连续的package名称

struts.custom.i18n.resources
          Location of additional localization properties files to load 
           加载附加的国际化属性文件（不包含.properties后缀）

struts.custom.properties
          Location of additional configuration properties files to load
           加载附加的配置文件的位置

struts.devMode
          Whether Struts is in development mode or not
           是否为struts开发模式

struts.dispatcher.parametersWorkaround
          Whether to use a Servlet request parameter workaround necessary for some versions of WebLogic
            （某些版本的weblogic专用）是否使用一个servlet请求参数工作区（PARAMETERSWORKAROUND）

struts.enable.DynamicMethodInvocation
          Allows one to disable dynamic method invocation from the URL
            允许动态方法调用

struts.freemarker.manager.classname
          The org.apache.struts2.views.freemarker.FreemarkerManager implementation class 
           org.apache.struts2.views.freemarker.FreemarkerManager接口名

struts.i18n.encoding
          The encoding to use for localization messages
           国际化信息内码

struts.i18n.reload
          Whether the localization messages should automatically be reloaded
           是否国际化信息自动加载

struts.locale
          The default locale for the Struts application
           默认的国际化地区信息

struts.mapper.class
          The org.apache.struts2.dispatcher.mapper.ActionMapper implementation class
            org.apache.struts2.dispatcher.mapper.ActionMapper接口

struts.multipart.maxSize
          The maximize size of a multipart request (file upload)
           multipart请求信息的最大尺寸（文件上传用）

struts.multipart.parser
          The org.apache.struts2.dispatcher.multipart.MultiPartRequest parser implementation for a multipart request (file upload) 
          专为multipart请求信息使用的org.apache.struts2.dispatcher.multipart.MultiPartRequest解析器接口（文件上传用）

struts.multipart.saveDir
          The directory to use for storing uploaded files 
           设置存储上传文件的目录夹

struts.objectFactory
          The com.opensymphony.xwork2.ObjectFactory implementation class
           com.opensymphony.xwork2.ObjectFactory接口（spring）

struts.objectFactory.spring.autoWire
          Whether Spring should autoWire or not
           是否自动绑定Spring

struts.objectFactory.spring.useClassCache
          Whether Spring should use its class cache or not
           是否spring应该使用自身的cache

struts.objectTypeDeterminer
          The com.opensymphony.xwork2.util.ObjectTypeDeterminer implementation class
            com.opensymphony.xwork2.util.ObjectTypeDeterminer接口

struts.serve.static.browserCache
          If static content served by the Struts filter should set browser caching header properties or not 
           是否struts过滤器中提供的静态内容应该被浏览器缓存在头部属性中

struts.serve.static
          Whether the Struts filter should serve static content or not 
           是否struts过滤器应该提供静态内容

struts.tag.altSyntax
          Whether to use the alterative syntax for the tags or not 
           是否可以用替代的语法替代tags

struts.ui.templateDir
          The directory containing UI templates
           UI templates的目录夹

struts.ui.theme
          The default UI template theme
           默认的UI template主题

struts.url.http.port
          The HTTP port used by Struts URLs
           设置http端口

struts.url.https.port
          The HTTPS port used by Struts URLs 
           设置https端口

struts.url.includeParams
          The default includeParams method to generate Struts URLs 
          在url中产生 默认的includeParams

struts.velocity.configfile
          The Velocity configuration file path
           velocity配置文件路径

struts.velocity.contexts
          List of Velocity context names
           velocity的context列表

struts.velocity.manager.classname
          org.apache.struts2.views.velocity.VelocityManager implementation class
           org.apache.struts2.views.velocity.VelocityManager接口名

struts.velocity.toolboxlocation
          The location of the Velocity toolbox
           velocity工具盒的位置
struts.xslt.nocache
          Whether or not XSLT templates should not be cached
           是否XSLT模版应该被缓存