public void doPost(HttpServletRequest req, HttpServletResponse resp) ? ? ?throws ServletException, IOException { ? System.out.println("已接收到請求"); ? //獲取前臺傳過來的流信息 ? InputStream fileSource = req.getInputStream(); ? //臨時文件存儲位置 ? String tempFileName = "D:/temp/tempFile"; ? //創(chuàng)建臨時文件 ? File tempFile = new File(tempFileName); ? //輸出流指向臨時文件 ? FileOutputStream outputStream = new FileOutputStream(tempFile); ? byte b[] = new byte[1024]; ? int n; ? //從輸入流讀取內(nèi)容寫入到輸出流 ? while(( n = fileSource.read(b)) != -1){ ? ? ?outputStream.write(b, 0, n); ? } ? //關(guān)閉輸入、輸出流 ? outputStream.close(); ? fileSource.close();}
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TA貢獻67條經(jīng)驗 獲得超59個贊
????????????????DiskFileItemFactory?factory?=?new?DiskFileItemFactory();
factory.setSizeThreshold(4096);?//?設(shè)置緩沖區(qū)大小，這里是4kb
factory.setRepository(new?File(this.getServletContext().getRealPath("WEB-INF")));//?設(shè)置緩沖區(qū)目錄
ServletFileUpload?upload?=?new?ServletFileUpload(factory);
List<FileItem>?items?=?upload.parseRequest(request);//?得到所有的文件
Iterator<FileItem>?i?=?items.iterator();
if?(!i.hasNext())?{
logger.warn("receiveFile?,file?not?exists!");
return;
}
FileItem?fi?=?(FileItem)?i.next();
fi.getInputStream()
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