struts2 环境搭建

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一、web.xml文件配置：

<filter>    <filter-name>struts2</filter-name>    <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>  </filter>  <filter-mapping>    <filter-name>struts2</filter-name>    <url-pattern>/*</url-pattern>  </filter-mapping>

二、struts.xml文件配置（根据需要配置）：

<struts>      <!-- 配置国际化资源文件（上传信息提示） -->      <constant name="struts.custom.i18n.resources" value="app"></constant>        <package name="default" namespace="/" extends="struts-default">          <!-- 注册拦截器 -->          <interceptors>              <interceptor name="timerInterceptor"                  class="com.struts2.interceptor.TimerInterceptor"></interceptor>              <interceptor name="userInterceptor"                  class="com.struts2.interceptor.UserInterceptor"></interceptor>          </interceptors>            <!-- 配置action -->          <action name="helloworld" class="com.struts2.action.HelloWorldAction">              <result name="success">/jsp/success.jsp</result>                <result name="login">/index.jsp</result>              <!-- 引入拦截器 -->              <interceptor-ref name="defaultStack" />              <interceptor-ref name="userInterceptor"></interceptor-ref>          </action>            <action name="timer" class="com.struts2.action.TimerAction">              <result name="success">/jsp/success.jsp</result>                <result name="login">/index.jsp</result>              <!-- 引入拦截器 -->              <interceptor-ref name="defaultStack" />              <interceptor-ref name="timerInterceptor"></interceptor-ref>              <interceptor-ref name="userInterceptor"></interceptor-ref>          </action>            <action name="user_*" method="{1}" class="com.struts2.action.UserAction">              <result name="success">/jsp/success.jsp</result>              <result name="error">/index.jsp</result>          </action>            <!-- 文件上传 -->          <action name="upload_*" method="{1}"              class="com.struts2.action.FileUploadAction">              <result name="use">/jsp/upload.jsp</result>              <result name="success">/jsp/upload.jsp</result>                <result name="input">/jsp/uploadError.jsp</result>              <result name="login">/index.jsp</result>              <!-- 引入拦截器 （配置文件上传的类型及大小）（注意：先引入fileUpload，后引入defaultStack） -->              <interceptor-ref name="fileUpload">                  <!--<param name="allowedTypes">image/bmp,image/x-png,image/gif,image/jpeg</param>-->                  <param name="maximumSize">2M</param>              </interceptor-ref>              <interceptor-ref name="defaultStack" />              <interceptor-ref name="userInterceptor"></interceptor-ref>          </action>                    <!-- 文件下载 -->          <action name="download" class="com.struts2.action.FileDownloadAction">            <param name="inputPath">/images/img6-lg.jpg</param>            <result name="success" type="stream">              <param name="contentType">application/octet-stream</param>              <param name="contentDisposition">attachment;fileName="${downloadFileName}"</param>              <param name="bufferSize">8192</param>              <param name="inputName">inputStream</param>            </result>          </action>        </package>  </struts>

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