基于csv文件列数据的Java提取计数

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;

public class CSVDataExtractor {
    public static void main(String[] args) {
        String csvFilePath = "path/to/your/csv/file.csv";
        int targetColumnIndex = 2; // 目标列的索引，从0开始计数
        int count = 0;

        try (FileReader reader = new FileReader(csvFilePath);
             CSVParser csvParser = new CSVParser(reader, CSVFormat.DEFAULT)) {

            for (CSVRecord csvRecord : csvParser) {
                String targetValue = csvRecord.get(targetColumnIndex);
                // 在这里可以对目标值进行进一步处理或计数操作
                count++;
            }

            System.out.println("提取计数结果: " + count);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}