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@RestController

public class FileController {

@PostMapping("/upload")

public ResponseEntity uploadFile(@RequestParam("file") MultipartFile file) {

try {

String fileName = file.getOriginalFilename();

byte[] bytes = file.getBytes();

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Path path = Paths.get("uploads/" + fileName);

Files.write(path, bytes);

return ResponseEntity.ok("文件上传成功");

} catch (IOException e) {

return ResponseEntity.status(500).body("文件上传失败");

}

}

}