Apache CSV Reader:如何按标题名称读取CSV列？

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVParser;
import org.apache.commons.csv.CSVRecord;

import java.io.FileReader;
import java.io.IOException;
import java.io.Reader;
import java.util.HashMap;
import java.util.Map;

public class CSVReaderExample {
    public static void main(String[] args) {
        try {
            // 创建CSVReader对象
            Reader reader = new FileReader("data.csv");
            CSVParser csvParser = new CSVParser(reader, CSVFormat.DEFAULT);

            // 获取标题行
            CSVRecord header = csvParser.getHeaderMap();

            // 获取标题名称和索引的映射
            Map<String, Integer> headerMap = new HashMap<>();
            for (int i = 0; i < header.size(); i++) {
                headerMap.put(header.get(i), i);
            }

            // 读取指定列的数据
            for (CSVRecord record : csvParser) {
                String columnValue = record.get(headerMap.get("ColumnName"));
                System.out.println(columnValue);
            }

            // 关闭CSVParser和Reader
            csvParser.close();
            reader.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}