HttpServletResponse 上载代码

response.setContentType("application/*");
		response.setHeader("Content-Disposition", "attachment;filename="+expert2ArticleFile.getYsmc());
		OutputStream os = response.getOutputStream();
		while(-1 !=(length=fis.read(buffer))) {
			os.write(buffer, 0, length);
		}
		os.flush();
		os.close();

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获得绝对地址

request.getSession().getServletContext().getRealPath("/images");

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Struts2获得 HttpServletRequest

HttpServletRequest request = (HttpServletRequest)ActionContext.getContext().get(ServletActionContext.HTTP_REQUEST);

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