Jackson CsvMapper只读第一行

import com.fasterxml.jackson.databind.MappingIterator;
import com.fasterxml.jackson.dataformat.csv.CsvMapper;
import com.fasterxml.jackson.dataformat.csv.CsvSchema;

import java.io.File;
import java.io.IOException;

public class CsvReader {
    public static void main(String[] args) {
        CsvMapper csvMapper = new CsvMapper();
        CsvSchema schema = CsvSchema.emptySchema().withHeader();
        File csvFile = new File("path/to/csv/file.csv");

        try {
            MappingIterator<Map<String, String>> iterator = csvMapper.readerFor(Map.class)
                    .with(schema)
                    .readValues(csvFile);

            if (iterator.hasNext()) {
                Map<String, String> firstRow = iterator.next();
                // 处理第一行数据
                System.out.println(firstRow);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}