struts

文件下载

 public InputStream getSimpleDownloadStream()
    {
    	ServletContext sc= ServletActionContext.getServletContext();
    	InputStream is= sc.getResourceAsStream("/WEB-INF/pdf/1.pdf");
         return is;
    }

<result name="report" type="stream">
		        <param name="contentType">application/pdf</param>
		        <param name="contentDisposition">
		            filename="report.pdf"
		        </param>
		        <param name="inputName">simpleDownloadStream</param>
		    </result>