Spring Boot如何在@RequestBody中接收gzip文件

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RestController;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.zip.GZIPInputStream;

@RestController
public class GzipFileController {

    @PostMapping("/upload")
    public ResponseEntity<String> uploadGzipFile(@RequestHeader(HttpHeaders.CONTENT_ENCODING) String contentEncoding,
                                                 @RequestBody byte[] gzipData) {
        if ("gzip".equals(contentEncoding)) {
            try {
                byte[] decompressedData = decompressGzipData(gzipData);
                // 对解压缩后的数据进行处理
                // ...
                return ResponseEntity.ok("File uploaded successfully");
            } catch (IOException e) {
                return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Failed to decompress gzip file");
            }
        } else {
            return ResponseEntity.badRequest().body("Unsupported content encoding");
        }
    }

    private byte[] decompressGzipData(byte[] gzipData) throws IOException {
        ByteArrayInputStream inputStream = new ByteArrayInputStream(gzipData);
        GZIPInputStream gzipInputStream = new GZIPInputStream(inputStream);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

        byte[] buffer = new byte[1024];
        int len;
        while ((len = gzipInputStream.read(buffer)) > 0) {
            outputStream.write(buffer, 0, len);
        }

        gzipInputStream.close();
        outputStream.close();
        inputStream.close();

        return outputStream.toByteArray();
    }
}