单击下载txt文件
下载jsp页面:
<meta http-equiv="Content-Type" content="text/html; charset=gbk"> <HTML> <HEAD> </HEAD> <BODY> <a href = "download.htm?id=${data.id}" >点击下载</a> </BODY> </HTML> ?
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后台处理Action或Servlet:
TTrainingData trainingData=trainingDataService.findTrainingDataById(request.getParameter("id")); //要下载的资料对象tring fileName=trainingData.getFileName()+trainingData.getPath().substring(trainingData.getPath().lastIndexOf('.')); //保存对话框中显示的文件名称response.setContentType("application/octet-stream");response.setHeader("Content-Disposition","attachment;filename = "+new String(fileName.getBytes(),"ISO8859-1"));FileInputStream fileInputStream=new FileInputStream(getServletContext().getRealPath(trainingData.getPath()));byte[] b = new byte[1024];int hasRead=0;while ((hasRead=fileInputStream.read(b)) != -1) { response.getOutputStream().write(b,0,hasRead);}fileInputStream.close();response.getOutputStream().flush();response.getOutputStream().close();return null;?