|  |  | 
 |  |  |     public R generateBarcode(@RequestParam("barcode") String barcode, @RequestParam("num") Integer num) { | 
 |  |  |         Long hostId = getHostId(); | 
 |  |  |         Date now = new Date(); | 
 |  |  |         BasBarcode one = basBarcodeService.getOne(new LambdaQueryWrapper<BasBarcode>().eq(BasBarcode::getBarcode, barcode).eq(BasBarcode::getHostId, hostId)); | 
 |  |  |         if (one != null) { | 
 |  |  |             return R.error("条码起始值已存在"); | 
 |  |  |         } | 
 |  |  |         int barcodeInt = Integer.parseInt(barcode); | 
 |  |  |         for (int i = 0; i < num; i++) { | 
 |  |  |             barcodeInt += 1; | 
 |  |  |             BasBarcode basBarcode = new BasBarcode(); | 
 |  |  |             basBarcode.setBarcode(String.valueOf(barcodeInt)); | 
 |  |  |             basBarcode.setHostId(hostId); | 
 |  |  |             basBarcode.setCreateTime(now); | 
 |  |  |             basBarcodeService.save(basBarcode); | 
 |  |  |             barcodeInt += 1; | 
 |  |  |         } | 
 |  |  |         return R.ok(); | 
 |  |  |     } |