struts2配置
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<!-- http:localhost:端口号/demo/download -->
<!-- json-default继承struts-defalut action中name表示请求路径 ，result中name表示返回视图ID -->
<package name="demo" namespace="/demo" extends="json-default">
<action name="download" class="photoAction">
<result name="one" type="stream">
<param name="contentType">image/png</param>
<param name="contentDisposition">attachment;filename="mylove.png"</param>
<!-- in是photoAction的一个Bean属性，其类型必须是inputStream类型 -->
<param name="inputName">photo</param>
</result>
</action>
<action name="photo" class="photoAction">
<result name="one" type="stream">
<param name="contentType">image/png</param>
<!-- in 是photoAction的一个Bean属性,其类型必须是 InputStream类型 -->
<param name="inputName">photo</param>
</result>
</action>
<action name="excel" class="excelAction">
<result name="one" type="stream">
<param name="contentType">application/vnd.ms-excel</param>
<param name="inputName">excel</param>
</result>
</action>
<action name="test" class="redirectAction">
<result name="doc" type="redirect">http://doc.tedu.cn</result>
<result name="photo" type="redirectAction">demo/photo</result>
</action>
</package>
<package namespace="/test" name="test" extends="json-default">
<!-- 拦截器 -->
<interceptors>
<interceptor name="demoInc" class="demoInterceptor"></interceptor>
<interceptor-stack name="mystack">
<interceptor-ref name="basicStack"></interceptor-ref>
<interceptor-ref name="demoInc"></interceptor-ref>
</interceptor-stack>
</interceptors>
<action name="test" class="demoAction">
<interceptor-ref name="demoInc"></interceptor-ref>
<result name="one">/WEB-INF/one.jsp</result>
<result name="two">/WEB-INF/two.jsp</result>
</action>
<action name="stack" class="stackAction">
<result name="three">/WEB-INF/three.jsp</result>
</action>
</package>
</struts>
class引用的是spring注解标记的ID，如果未采用spring，须填写类的全名（包名+类名）
