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yangys

2025-09-25 31ecdb8c700529a59dd762f0c47f0ed9c66d5092

 blade-service/blade-mdm/src/main/java/org/springblade/mdm/utils/FileContentUtil.java

@@ -104,11 +104,10 @@
      byte[] buffer = new byte[2048];
      try {
         int actRead = inputStream.read(buffer);

         detector.handleData(buffer, 0, actRead);

         //识别结束必须调用这个方法
         detector.dataEnd();
         detector.reset();
      } catch (IOException e) {
         throw new RuntimeException(e);
      }
@@ -191,4 +190,20 @@
      }
      return new ByteArrayInputStream(Files.newInputStream(tempFile).readAllBytes());
    }

   public static List<String> readFirstNLines(InputStream inputStream, int n) throws IOException {
      List<String> lines = new ArrayList<>();

      try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
         String line;
         int count = 0;

         while ((line = reader.readLine()) != null && count < n) {
            lines.add(line);
            count++;
         }
      }

      return lines;
   }
}