//批量下载高铁作业室的图片，AJAX方式

@RequestMapping(params="method=downloadBoxImages")

public void downloadBoxImages(int id, HttpServletRequest req,HttpServletResponse resp) throws IOException{

List<BoxImages> bi = this.boxInfoService.getBoxImages(id);

resp.setContentType("application/x-msdownload");

resp.setHeader("Content-Disposition", "attachment;filename=pictures.zip");

String path = getServletcontext().getRealPath("/");

String rootpath = path.substring(0, (path.length()-4)) + "gjx_uploadfile\\";

int len = bi.size();

String[] filenames = new String[len];

for (int i = 0; i < len; i ++)

{

filenames[i] = bi.get(i).getImage_path();

}

String str = "";

String rt = "\r\n";

ZipOutputStream zos = new ZipOutputStream(resp.getOutputStream());

for(String filename : filenames){

str += filename + rt;

File file = new File(rootpath + filename);

zos.putNextEntry(new ZipEntry(filename));

FileInputStream fis = new FileInputStream(file);

byte b[] = new byte[1024];

int n = 0;

while((n = fis.read(b)) != -1){

zos.write(b, 0, n);

}

zos.flush();

fis.close();

}

zos.setComment("download success:" + rt + str);

zos.flush();

zos.close();

}