JAVA中简单的CSV文件比较

import com.opencsv.CSVReader;
import com.opencsv.exceptions.CsvValidationException;

import java.io.FileReader;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;

public class CSVComparator {
    public static void main(String[] args) {
        String file1 = "path/to/file1.csv";
        String file2 = "path/to/file2.csv";

        try (CSVReader reader1 = new CSVReader(new FileReader(file1));
             CSVReader reader2 = new CSVReader(new FileReader(file2))) {

            Set<String> lines1 = new HashSet<>();
            Set<String> lines2 = new HashSet<>();

            String[] line;
            while ((line = reader1.readNext()) != null) {
                lines1.add(String.join(",", line));
            }

            while ((line = reader2.readNext()) != null) {
                lines2.add(String.join(",", line));
            }

            // 比较两个文件的内容
            if (lines1.equals(lines2)) {
                System.out.println("两个CSV文件内容相同");
            } else {
                System.out.println("两个CSV文件内容不同");
            }

        } catch (IOException | CsvValidationException e) {
            e.printStackTrace();
        }
    }
}