Tarayıcı dosyalarından sunucuda dosya indirme Geriye kalan web servisleri aracılığıyla

Question

İlkbahar (Spring security, spring controller ve MVC) tabanlı bir projem var, bu yüzden HTML sayfamda dosya yüklemeye izin vermem gerekiyor. bu kullanıcı tıklama zaman:

<a href="#" target="'+row.idCar+'" id="logName" name="logDownload"> <i class="fa fa-file-text-o fa-2x" aria-hidden="true"></i></a>' 

Ben olayı işlemek ve kullanmak benim denetleyicisi olarak jquery plugin

var input = $(this), 
     idCar= $(this).attr('target'); 
     $.fileDownload("../download/" + idCar , { 
      successCallback: function (url) { 
      }, 
      failCallback: function (HttpServletResponse, url) { 
       notifyMessage("Error downloading file", 'error'); 
      } 
     }); 
     return false; //this is critical to stop the click event which will trigger a normal file download! 

dayalı bu kodu:

@Override 
@RequestMapping(value="/download/{idCar}", method = RequestMethod.GET) 
public void download(HttpServletResponse response, @PathVariable("idCar") int idCar) { 
    try{ 
     File file = fleetAndCarService.getLogFile(idCar); 
     try(InputStream is = new FileInputStream(file.getAbsolutePath())) { 
      response.setHeader("Set-Cookie", "fileDownload=true; path=/"); 
      response.setHeader("Content-Disposition", 
         "attachment; filename=\"" + "AcquisitionLog.txt" + "\""); 
      org.apache.commons.io.IOUtils.copy(is, 
         response.getOutputStream()); 
      response.flushBuffer(); 
     } catch (Exception e1) { 
      ErrorResponse errorResponse= ErrorResponseBuilder.buildErrorResponse(e1); 
      LOG.error("Threw exception in FleetAndCarControllerImpl::download :" + errorResponse.getStacktrace()); 
     } 
    }catch(Exception e){ 
     ErrorResponse errorResponse= ErrorResponseBuilder.buildErrorResponse(e); 
     LOG.error("Threw exception in FleetAndCarControllerImpl::download :" + errorResponse.getStacktrace()); 
    } 
} 

Ama böyle Bahar Security ile sorunu var Bu posta x-frame ve internet explorer çalışmıyor. Yani, benim sunucuda saklanan dosyayı eklenti kullanmadan indirmenin bir yolu var mı? Hansraj bana yardımcı oldu ve bu çalışma kodudur: Teşekkür

ÇÖZÜLDÜ

try{ 
      File file = fleetAndCarService.getLogFile(idCar); 
      try(InputStream is = new FileInputStream(file.getAbsolutePath())){ 
       response.setHeader("Expires", "0"); 
       response.setHeader("Cache-Control","must-revalidate, post-check=0, pre-check=0"); 
       response.setContentType("text/plain"); 
       response.setHeader("Content-Description"," File Transfer"); 
       response.setHeader("Content-Disposition","attachment; filename="+"AcquisitionLog.txt"); 
       response.setHeader("Content-Transfer-Encoding"," binary"); 
       long size = Utils.stream(is, response.getOutputStream()); 
       response.addHeader("Content-Length", Long.toString(size)); 
       response.flushBuffer(); 
      }catch (Exception e1){ 
       ErrorResponse errorResponse= ErrorResponseBuilder.buildErrorResponse(e1); 
       LOG.error("Threw exception in FleetAndCarControllerImpl::download :" + errorResponse.getStacktrace()); 
      } 
     }catch (Exception e) { 
      ErrorResponse errorResponse= ErrorResponseBuilder.buildErrorResponse(e); 
      LOG.error("Threw exception in FleetAndCarControllerImpl::download :" + errorResponse.getStacktrace()); 
     } 

Ben web hizmeti url ile href kullanılan HTML. Utils, bu post

Answer 1

için önerilen sınıftır. Bu örnek

package com.mti.controller.booking; 

import java.io.ByteArrayInputStream; 
@Controller 
@RequestMapping(value = "/offlineBooking") 
public class OfflineBookingController { 
@RequestMapping(value = "/getInvoice") 
public void getInvoice(ModelMap modelMap, @RequestParam(value = "bookingId", required = true) Integer bookingId, 
     HttpServletResponse response) throws Exception { 
    Document document = new Document(); 
    InputStream is = null; 
    PdfWriter writer = null; 
    try{ 
    String everything = bookingService.getBookingInvoiceData(bookingId); 
    is = new ByteArrayInputStream(everything.getBytes("UTF-8")); 
    response.setHeader("Expires", "0"); 
    response.setHeader("Cache-Control","must-revalidate, post-check=0, pre-check=0"); 
    response.setHeader("Pragma", "public"); 

    response.setContentType("application/pdf"); 
    response.setHeader("Content-Description"," File Transfer"); 
    response.setHeader("Content-Disposition","attachment; filename="+"BookingInvoice"+ bookingId+".pdf"); 
    response.setHeader("Content-Transfer-Encoding"," binary"); 
    writer = PdfWriter.getInstance(document, response.getOutputStream()); 
    document.open(); 
    XMLWorkerHelper.getInstance().parseXHtml(writer, document, is); 
    writer.flush(); 
    response.flushBuffer(); 
    }catch (Exception e) { 
     logger.error("Error in generating invoice " , e); 
    }finally{ 
     if(writer!=null){ 
      writer.close(); 
     } 
     document.close(); 
     is.close(); 
    } 

} 

}