java读取csv

package com.company.project.utils;

import java.io.*;
import java.util.Map;



public class ReadCsv {
    
    public static void main(String[] args) {

        String csvFile = "E:\data\CSV_20211229153432.csv";
        BufferedReader br = null;
        String line = "";
        String cvsSplitBy = ",";  //csv每行数据的间隔方式，这里是逗号，有的是| 竖线
        Map row1;
        int i = 0;
        try {
//            in = new BufferedReader(new FileReader(csvFile));
            DataInputStream in = new DataInputStream(new FileInputStream(new File(csvFile)));
            br = new BufferedReader(new InputStreamReader(in, "GBK"));
            while ((line = br.readLine()) != null) {
                // user中：位置名称，经度，纬度，区域（城市、农村）
                String[] country = line.split(cvsSplitBy);
                for (int j = 0; j < country.length; j++) {
                    System.out.print(country[j]+"=");
                }
                System.out.println();
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (br != null) {
                try {
                    br.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }

    }

}