private static String zifDir = "e:/zipfile/";
 public ZipOutputStream zipFile(List<ZipFileItem> items) throws Exception{
 String filePath = zifDir + UUID.randomUUID().toString()+".zip";
 FileOutputStream fileOutputStream = new FileOutputStream(filePath);
 ZipOutputStream zip = new ZipOutputStream(fileOutputStream);
 int count = -1;
 byte buff[] = new byte[1024];
 for (ZipFileItem item : items) {
 try {
 ZipEntry entry = new ZipEntry(item.getName());
 zip.putNextEntry(entry);
 while((count = item.getIs().read(buff)) != -1){
 zip.write(buff,0,count);
 }
 item.getIs().close();
 }catch (Exception e){
 e.printStackTrace();
 }
 }
 return zip;
 }


 ALTER TABLE test ADD camera_wifi VARCHAR(255);
ALTER TABLE test ADD camera_wifi_password VARCHAR(255);
ALTER TABLE test ADD bluetooth_code VARCHAR(255);
ALTER TABLE test ADD pad_bluetooth_code VARCHAR(255); 
ALTER TABLE test ADD pad_os_name VARCHAR(255);

 private static class ZipFileItem{
 private String name;
 private InputStream is;

 public String getName() {
 return name;
 }

 public void setName(String name) {
 this.name = name;
 }

 public InputStream getIs() {
 return is;
 }

 public void setIs(InputStream is) {
 this.is = is;
 }
 }