方式一: public ResponseEntity Fingerprint finger = fingerprintService.getObjectById(id); File file=new File(finger.getFilePath()); HttpHeaders headers = new HttpHeaders(); String fileName=new String(finger.getFileRealName().getBytes("UTF-8"),"iso-8859-1"); headers.setContentType(MediaType.APPLICATION_OCTET_STREAM); headers.setContentDispositionFormData("attachment", fileName); return new ResponseEntity headers, HttpStatus.OK); } |
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