三种方法，都已测试通过。环境：weblogic 10
SysLog sysLog = new SysLog(); sysLog.setPath("d:/osclog/F1_logo.jpg"); sysLog.setName("F1_logo.jpg");
/* // 下载本地文件 fileName = sysLog.getName(); // 文件名 try { // 读到流中 InputStream inStream = new FileInputStream(sysLog.getPath());// 文件的存放路径 // 设置输出的格式 response.reset(); response.setContentType("bin"); response.addHeader("Content-Disposition", "attachment; filename=/"" + fileName + "/""); // 循环取出流中的数据 byte[] b = new byte[100]; int len; while ((len = inStream.read(b)) > 0) response.getOutputStream().write(b, 0, len); inStream.close(); } catch (IOException e) { e.printStackTrace(); } */ /* File file = new File(sysLog.getPath()); try { InputStream fis = new BufferedInputStream(new FileInputStream(sysLog.getPath())); byte[] buffer = new byte[fis.available()];//判断流的长度 fis.read(buffer); fis.close(); response.reset(); response.addHeader("Content-Disposition", "attachment;filename=" + new String(sysLog.getName().getBytes())); response.addHeader("Content-Length", "" + file.length()); response.setContentType("application/octet-stream"); OutputStream toClient = new BufferedOutputStream(response.getOutputStream()); toClient.write(buffer); toClient.flush(); toClient.close(); } catch (IOException e1) { System.out.println("error"); e1.printStackTrace(); } */ /* File file = new File("d://osclog//wwsdk.log"); FileInputStream fs = null; fileName = "wwsdk.log"; try { fs = new FileInputStream(new File("d:/osclog/wwsdk.log")); }catch(Exception e) { e.printStackTrace(); } response.setContentType("APPLICATION/OCTET-STREAM"); response.setHeader("Content-Disposition", "attachment; filename=/"" + fileName + "/""); int b = 0; try { PrintWriter out = response.getWriter(); while((b=fs.read())!=-1) { out.write(b); } fs.close(); out.close(); System.out.println("文件下载完毕."); }catch(Exception e) { e.printStackTrace(); System.out.println("下载文件失败!"); } */
