/*** 下載方法* @param request* @param response* @param storeName 文件在存在位置的名字(需要帶著后綴)* @param contentType 下載文件的類型(如果文件類型比較多直接用"multipart/form-data"會自己判斷文件類型)* @param realName 用戶下載文件的名稱* @throws Exception*/public void download(HttpServletRequest request,HttpServletResponse response, String storeName, String contentType,String realName) throws Exception {response.setContentType("text/html;charset=UTF-8");request.setCharacterEncoding("UTF-8");BufferedInputStream bis = null;BufferedOutputStream bos = null;//fileUploadPath文件的路徑//UpFileRoute.itemFile是保存的目錄名稱String ctxPath = fileUploadPath+"\\"+UpFileRoute.itemFile+"\\";String downLoadPath = ctxPath + storeName;long fileLength = new File(downLoadPath).length();response.setContentType(contentType);response.setHeader("Content-disposition", "attachment; filename="+ new String(realName.getBytes("utf-8"), "ISO8859-1"));response.setHeader("Content-Length", String.valueOf(fileLength));bis = new BufferedInputStream(new FileInputStream(downLoadPath));bos = new BufferedOutputStream(response.getOutputStream());byte[] buff = new byte[2048];int bytesRead;while (-1 != (bytesRead = bis.read(buff, 0, buff.length))) {bos.write(buff, 0, bytesRead);}bis.close();bos.close();}

　　

轉載于:https://www.cnblogs.com/jianguang/p/5545892.html

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