Struts2配置文件详解——struts-default.xml

这个文件是struts2框架默认加载的配置文件。它定义struts2一些核心的bean和拦截器。

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd">

<struts>

<!--struts2中工厂bean的定义-->

<bean class="com.opensymphony.xwork2.ObjectFactory" name="xwork" />

<bean type="com.opensymphony.xwork2.ObjectFactory" name="struts" class="org.apache.struts2.impl.StrutsObjectFactory" />

<bean type="com.opensymphony.xwork2.ActionProxyFactory" name="xwork" class="com.opensymphony.xwork2.DefaultActionProxyFactory"/>

<bean type="com.opensymphony.xwork2.ActionProxyFactory" name="struts" class="org.apache.struts2.impl.StrutsActionProxyFactory"/>

<!--类型检测bean的定义-->

<bean type="com.opensymphony.xwork2.util.ObjectTypeDeterminer" name="tiger" class="com.opensymphony.xwork2.util.GenericsObjectTypeDeterminer"/>

<bean type="com.opensymphony.xwork2.util.ObjectTypeDeterminer" name="notiger" class="com.opensymphony.xwork2.util.DefaultObjectTypeDeterminer"/>

<bean type="com.opensymphony.xwork2.util.ObjectTypeDeterminer" name="struts" class="com.opensymphony.xwork2.util.DefaultObjectTypeDeterminer"/>

<!--文件上传bean的定义-->

<bean type="org.apache.struts2.dispatcher.mapper.ActionMapper" name="struts" class="org.apache.struts2.dispatcher.mapper.DefaultActionMapper" />

<bean type="org.apache.struts2.dispatcher.mapper.ActionMapper" name="composite" class="org.apache.struts2.dispatcher.mapper.CompositeActionMapper" />

<bean type="org.apache.struts2.dispatcher.mapper.ActionMapper" name="restful" class="org.apache.struts2.dispatcher.mapper.RestfulActionMapper" />

<bean type="org.apache.struts2.dispatcher.mapper.ActionMapper" name="restful2" class="org.apache.struts2.dispatcher.mapper.Restful2ActionMapper" />

<bean type="org.apache.struts2.dispatcher.multipart.MultiPartRequest" name="struts" class="org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest" scope="default" optional="true"/>

<bean type="org.apache.struts2.dispatcher.multipart.MultiPartRequest" name="jakarta" class="org.apache.struts2.dispatcher.multipart.JakartaMultiPartRequest" scope="default" optional="true" />

<!--标签库bean的定义-->

<bean type="org.apache.struts2.views.TagLibrary" name="s" class="org.apache.struts2.views.DefaultTagLibrary" />

<!--一些常用视图bean的定义-->

<bean class="org.apache.struts2.views.freemarker.FreemarkerManager" name="struts" optional="true"/>

<bean class="org.apache.struts2.views.velocity.VelocityManager" name="struts" optional="true" />

<bean class="org.apache.struts2.components.template.TemplateEngineManager" />

<bean type="org.apache.struts2.components.template.TemplateEngine" name="ftl" class="org.apache.struts2.components.template.FreemarkerTemplateEngine" />

<bean type="org.apache.struts2.components.template.TemplateEngine" name="vm" class="org.apache.struts2.components.template.VelocityTemplateEngine" />

<bean type="org.apache.struts2.components.template.TemplateEngine" name="jsp" class="org.apache.struts2.components.template.JspTemplateEngine" />

<!--类型转换bean的定义-->

<bean type="com.opensymphony.xwork2.util.XWorkConverter" name="xwork1" class="com.opensymphony.xwork2.util.XWorkConverter" />

<bean type="com.opensymphony.xwork2.util.XWorkConverter" name="struts" class="com.opensymphony.xwork2.util.AnnotationXWorkConverter" />

<bean type="com.opensymphony.xwork2.TextProvider" name="xwork1" class="com.opensymphony.xwork2.TextProviderSupport" />

<bean type="com.opensymphony.xwork2.TextProvider" name="struts" class="com.opensymphony.xwork2.TextProviderSupport" />


<!-- Struts2中一些可以静态注入的bean,也就是不需要实例化的 -->

<bean class="com.opensymphony.xwork2.ObjectFactory" static="true" />

<bean class="com.opensymphony.xwork2.util.XWorkConverter" static="true" />

<bean class="com.opensymphony.xwork2.util.OgnlValueStack" static="true" />

<bean class="org.apache.struts2.dispatcher.Dispatcher" static="true" />

<bean class="org.apache.struts2.components.Include" static="true" />

<bean class="org.apache.struts2.dispatcher.FilterDispatcher" static="true" />

<bean class="org.apache.struts2.views.util.ContextUtil" static="true" />

<bean class="org.apache.struts2.views.util.UrlHelper" static="true" />

<!-- 定义Struts2默认包-->

<package name="struts-default" abstract="true">

<!-- 结果类型的种类-->

<result-types>

<result-type name="chain" class="com.opensymphony.xwork2.ActionChainResult"/>

<result-type name="dispatcher" class="org.apache.struts2.dispatcher.ServletDispatcherResult" default="true"/>

<result-type name="freemarker" class="org.apache.struts2.views.freemarker.FreemarkerResult"/>

<result-type name="httpheader" class="org.apache.struts2.dispatcher.HttpHeaderResult"/>

<result-type name="redirect" class="org.apache.struts2.dispatcher.ServletRedirectResult"/>

<result-type name="redirectAction" class="org.apache.struts2.dispatcher.ServletActionRedirectResult"/>

<result-type name="stream" class="org.apache.struts2.dispatcher.StreamResult"/>

<result-type name="velocity" class="org.apache.struts2.dispatcher.VelocityResult"/>

<result-type name="xslt" class="org.apache.struts2.views.xslt.XSLTResult"/>

<result-type name="plainText" class="org.apache.struts2.dispatcher.PlainTextResult" />

<result-type name="redirect-action" class="org.apache.struts2.dispatcher.ServletActionRedirectResult"/>

<result-type name="plaintext" class="org.apache.struts2.dispatcher.PlainTextResult" />

</result-types>



<!--struts2中拦截器的定义-->

<interceptors>

<!--实现在不同请求中相似参数别名的准换-->

<interceptor name="alias" class="com.opensymphony.xwork2.interceptor.AliasInterceptor"/>

<!--与Spring整合时自动装配的拦截器-->

<interceptor name="autowiring" class="com.opensymphony.xwork2.spring.interceptor.ActionAutowiringInterceptor"/>

<!--构建一个action链，使当前action可以访问前一个action，与<result-type="chain" />配合使用-->

<interceptor name="chain" class="com.opensymphony.xwork2.interceptor.ChainingInterceptor"/>

<!--负责类型转换的拦截器-->

<interceptor name="conversionError" class="org.apache.struts2.interceptor.StrutsConversionErrorInterceptor"/>

<!--使用配置的name,value来是指cookies -->

<interceptor name="cookie" class="org.apache.struts2.interceptor.CookieInterceptor"/>

<!--负责创建httpSession-->

<interceptor name="createSession" class="org.apache.struts2.interceptor.CreateSessionInterceptor" />

<!--输出调试信息-->

<interceptor name="debugging" class="org.apache.struts2.interceptor.debugging.DebuggingInterceptor" />

<!--扩展引用-->

<interceptor name="externalRef" class="com.opensymphony.xwork2.interceptor.ExternalReferencesInterceptor"/>

<!--后台执行action负责发送等待画面给用户-->

<interceptor name="execAndWait" class="org.apache.struts2.interceptor.ExecuteAndWaitInterceptor"/>

<!--异常处理-->

<interceptor name="exception" class="com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor"/>

<!--文件上传，解析表单域的内容-->

<interceptor name="fileUpload" class="org.apache.struts2.interceptor.FileUploadInterceptor"/>

<!--支持国际化-->

<interceptor name="i18n" class="com.opensymphony.xwork2.interceptor.I18nInterceptor"/>

<!--日志记录-->

<interceptor name="logger" class="com.opensymphony.xwork2.interceptor.LoggingInterceptor"/>

<!--模型拦截器，当action实现了ModelDriven接口时，负责把getModel的结果放入valueStack中-->

<interceptor name="modelDriven" class="com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor"/>

<!--有生命周期的ModelDriven-->

<interceptor name="scopedModelDriven" class="com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor"/>

<!--负责解析请求中的参数，并赋值给action中对应的属性-->

<interceptor name="params" class="com.opensymphony.xwork2.interceptor.ParametersInterceptor"/>

<!--实现该Preparable接口的action，会调用拦截器的prepare方法-->

<interceptor name="prepare" class="com.opensymphony.xwork2.interceptor.PrepareInterceptor"/>

<!--负责将action 标签下的param参数值传递给action实例-->

<interceptor name="staticParams" class="com.opensymphony.xwork2.interceptor.StaticParametersInterceptor"/>

<!--范围转换-->

<interceptor name="scope" class="org.apache.struts2.interceptor.ScopeInterceptor"/>

<!--用于访问Servlet API-->

<interceptor name="servletConfig" class="org.apache.struts2.interceptor.ServletConfigInterceptor"/>



<interceptor name="sessionAutowiring" class="org.apache.struts2.spring.interceptor.SessionContextAutowiringInterceptor"/>

<!--输出action执行时间-->

<interceptor name="timer" class="com.opensymphony.xwork2.interceptor.TimerInterceptor"/>

<!--防止表单重复提交-->

<interceptor name="token" class="org.apache.struts2.interceptor.TokenInterceptor"/>

<!--与token拦截器相似，只是把token保存到HttpSession-->

<interceptor name="tokenSession" class="org.apache.struts2.interceptor.TokenSessionStoreInterceptor"/>

<!--负责表单字段的验证 *-validation.xml-->

<interceptor name="validation" class="org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor"/>

<!--负责执行action的validate()-->

<interceptor name="workflow" class="com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor"/>

<!--存储和重新获取Action 消息/错误/字段错误为Action，实现ValidationAware接口到seesion-->

<interceptor name="store" class="org.apache.struts2.interceptor.MessageStoreInterceptor" />

<!--添加自动checkbox处理代码,这样检探测checkbox和添加它作为一个参数使用默认值(通常’false’).使用一个指定名字隐藏字段探测没提交的checkbox-->

<interceptor name="checkbox" class="org.apache.struts2.interceptor.CheckboxInterceptor" />

<interceptor name="profiling" class="org.apache.struts2.interceptor.ProfilingActivationInterceptor" />

<!--JAAS服务拦截器-->

<interceptor name="roles" class="org.apache.struts2.interceptor.RolesInterceptor" />



<!-- 一个基本的拦截器栈 -->

<interceptor-stack name="basicStack">

<interceptor-ref name="exception"/>

<interceptor-ref name="servletConfig"/>

<interceptor-ref name="prepare"/>

<interceptor-ref name="checkbox"/>

<interceptor-ref name="params"/>

<interceptor-ref name="conversionError"/>

</interceptor-stack>



<!-- 简单的validtion和webflow栈 -->

<interceptor-stack name="validationWorkflowStack">

<interceptor-ref name="basicStack"/>

<interceptor-ref name="validation"/>

<interceptor-ref name="workflow"/>

</interceptor-stack>



<!-- 文件上传的拦截器栈 -->

<interceptor-stack name="fileUploadStack">

<interceptor-ref name="fileUpload"/>

<interceptor-ref name="basicStack"/>

</interceptor-stack>



<!-- model-driven 栈 -->

<interceptor-stack name="modelDrivenStack">

<interceptor-ref name="modelDriven"/>

<interceptor-ref name="basicStack"/>

</interceptor-stack>



<!-- action链的拦截器栈 -->

<interceptor-stack name="chainStack">

<interceptor-ref name="chain"/>

<interceptor-ref name="basicStack"/>

</interceptor-stack>



<!-- i18n 拦截器栈 -->

<interceptor-stack name="i18nStack">

<interceptor-ref name="i18n"/>

<interceptor-ref name="basicStack"/>

</interceptor-stack>



<!-- 结合preparable和ModenDriven拦截器-->

<interceptor-stack name="paramsPrepareParamsStack">

<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="checkbox"/>

<interceptor-ref name="staticParams"/>

<interceptor-ref name="params"/>

<interceptor-ref name="conversionError"/>

<interceptor-ref name="validation">

<param name="excludeMethods">input,back,cancel</param>

</interceptor-ref>

<interceptor-ref name="workflow">

<param name="excludeMethods">input,back,cancel</param>

</interceptor-ref>

</interceptor-stack>



<!--定义默认的拦截器栈 -->

<interceptor-stack name="defaultStack">

<interceptor-ref name="exception"/>

<interceptor-ref name="alias"/>

<interceptor-ref name="servletConfig"/>

<interceptor-ref name="prepare"/>

<interceptor-ref name="i18n"/>

<interceptor-ref name="chain"/>

<interceptor-ref name="debugging"/>

<interceptor-ref name="profiling"/>

<interceptor-ref name="scopedModelDriven"/>

<interceptor-ref name="modelDriven"/>

<interceptor-ref name="fileUpload"/>

<interceptor-ref name="checkbox"/>

<interceptor-ref name="staticParams"/>

<interceptor-ref name="params">

<param name="excludeParams">dojo\..*</param>

</interceptor-ref>

<interceptor-ref name="conversionError"/>

<interceptor-ref name="validation">

<param name="excludeMethods">input,back,cancel,browse</param>

</interceptor-ref>

<interceptor-ref name="workflow">

<param name="excludeMethods">input,back,cancel,browse</param>

</interceptor-ref>

</interceptor-stack>


<interceptor-stack name="completeStack">

<interceptor-ref name="defaultStack"/>

</interceptor-stack>


<interceptor-stack name="executeAndWaitStack">

<interceptor-ref name="execAndWait">

<param name="excludeMethods">input,back,cancel</param>

</interceptor-ref>

<interceptor-ref name="defaultStack"/>

<interceptor-ref name="execAndWait">

<param name="excludeMethods">input,back,cancel</param>

</interceptor-ref>

</interceptor-stack>


<interceptor name="external-ref" class="com.opensymphony.xwork2.interceptor.ExternalReferencesInterceptor"/>

<interceptor name="model-driven" class="com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor"/>

<interceptor name="static-params" class="com.opensymphony.xwork2.interceptor.StaticParametersInterceptor"/>

<interceptor name="scoped-model-driven" class="com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor"/>

<interceptor name="servlet-config" class="org.apache.struts2.interceptor.ServletConfigInterceptor"/>

<interceptor name="token-session" class="org.apache.struts2.interceptor.TokenSessionStoreInterceptor"/>



</interceptors>

<!--定义默认拦截器为"defaultStack"-->

<default-interceptor-ref name="defaultStack"/>

</package>


</struts>