HttpURLConnection 下载文件
String fileUrl = request.getRequestURL().substring(0, request.getRequestURL().indexOf("/rest")) + "/test/resources/images/template.jpg"; URL url = new URL(fileUrl); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.connect(); response.reset(); response.setContentType("application/x-msdownload"); response.addHeader("Content-Disposition", "attachment; filename=" + new String("template.jpg".getBytes("gbk"), "iso-8859-1")); OutputStream os = response.getOutputStream(); InputStream in = conn.getInputStream(); byte[] b = new byte[1024]; int r = 0; while ((r = in.read(b)) != -1) { os.write(b, 0, r); } os.flush(); os.close(); in.close(); conn.disconnect();
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