使用包含嵌套集合的pojo写入csv文件

import com.opencsv.CSVWriter;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;

public class Main {

    public static void main(String[] args) {
        // 创建包含嵌套集合的POJO对象
        List<String> nestedList = Arrays.asList("Nested Value 1", "Nested Value 2");
        MyPojo pojo = new MyPojo("Value 1", "Value 2", nestedList);

        // 设置CSV文件路径
        String csvFilePath = "output.csv";

        try {
            // 创建CSVWriter对象
            FileWriter fileWriter = new FileWriter(csvFilePath);
            CSVWriter csvWriter = new CSVWriter(fileWriter);

            // 将POJO对象转换为CSV行
            String[] csvData = {
                    pojo.getProperty1(),
                    pojo.getProperty2(),
                    String.join(",", pojo.getNestedList())
            };

            // 写入CSV文件
            csvWriter.writeNext(csvData);

            // 关闭CSVWriter
            csvWriter.close();

            System.out.println("CSV文件写入成功！");
        } catch (IOException e) {
            System.out.println("CSV文件写入失败：" + e.getMessage());
        }
    }
}

class MyPojo {
    private String property1;
    private String property2;
    private List<String> nestedList;

    public MyPojo(String property1, String property2, List<String> nestedList) {
        this.property1 = property1;
        this.property2 = property2;
        this.nestedList = nestedList;
    }

    public String getProperty1() {
        return property1;
    }

    public String getProperty2() {
        return property2;
    }

    public List<String> getNestedList() {
        return nestedList;
    }
}