<action name="downloadAction" class="">

<result type="stream">

<param name="contentDispositon">attachment;filename=${filename}</param><!--attachment表示不打开下载，设置文件的名字-->

<param name="inputName">downloadFile</param><!-- 设置读取的方法(在action中的方法对应的getDownloadFile(){}) -->

</result>

</action>

 

1 public InputStream getDownloadFile(){ 2         try{ 3             if(1==number){ 4                 this.filename=new String(this.filename.getBytes("gbk"),"8859_1"); 5                 return ServletActionContext.getServletContext().getResourceAsStream("/upload/java.txt"); 6             }else{ 7                 return ServletActionContext.getServletContext().getResourceAsStream("/upload/...."); 8             } 9         }catch(Exception ex){10             ex.printStackTrace();11         }12         13         return null;        14     }