【详解】递归读取子目录中的csv文件并解析到实体对象

        <dependency>
            <groupId>com.opencsv</groupId>
            <artifactId>opencsv</artifactId>
            <version>5.6</version>
        </dependency>

private void parseFile(ReconciliationProcessBatchInfo item,String filedir){
        try {
            Files.walk(Paths.get(filedir))
                    .filter(path -> path.toString().endsWith(".csv")) // 只筛选 .csv 文件
                    .forEach(path -> {
                        log.info("解析数据Processing file: " + path.getFileName());
                        processCsvFile(path.toString(),item);
                    });
        } catch (Exception e) {
            e.printStackTrace();
        }


    }


    private void processCsvFile(String filePath,ReconciliationProcessBatchInfo item) {
        try {
            File file = new File(filePath);
            InputStream inputStream = new FileInputStream(file);
            InputStreamReader reader = new InputStreamReader(inputStream, "GBK") ;
            CsvToBean<ParsonPADzFileDto> csvToBean = new CsvToBeanBuilder<ParsonPADzFileDto>(reader)
                    .withType(ParsonPADzFileDto.class)
                    .withIgnoreLeadingWhiteSpace(true)
                    .build();
            // 将 CSV 文件转换为 Person 对象的列表
            List<ParsonPADzFileDto> personList = csvToBean.parse();
            // 打印每个解析的对象
            for (ParsonPADzFileDto dto : personList) {
                log.info("解析数据{}",dto);
              
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


@Data
public class ParsonPADzFileDto {


    @CsvBindByName(column = "银行订单号")
    private String bankOrderNo;


@CsvBindByName(column = "订单类型")
    private String payType;


}