文件下载
输出内容包含
1.文件内容:content
2. 输出类型 contentType : application/msword
3 文件长度: contentLength: content.length
4.文件名称:
- /**
- * 下载文件
- * @param request
- * @param response
- * @throws IOException
- * @throws InterruptedException
- */
- public void downloadDoc(HttpServletRequest request,HttpServletResponse response) throws IOException, InterruptedException
- {
- String id=request.getParameter("id")==null?"0":request.getParameter("id");
- DocumentAtt documentAtt=documentAttDao.findById(id); //业务对象根据实际情况修改
- byte [] content=documentAtt.getFiles();
- OutputStream os=response.getOutputStream();
- InputStream is=new ByteArrayInputStream(content);
- response.setContentType(documentAtt.getFiletype());//<span style="font-family: Arial, Helvetica, sans-serif;">可不设置</span>
- response.setContentLength(content.length);//可不设置
- response.setHeader("Content-Disposition","attachment;filename="+new String(documentAtt.getName().getBytes("GBK"),"ISO-8859-1"));
- byte[] buffer = new byte[4000];
- int length;
- while((length = is.read(buffer)) != -1){
- os.write(buffer,0,length);
- }
- is.close();
- os.close();
- }
来源: http://www.phpxs.com/code/1002432/