java - 文本限定符 - 封装的令牌和分隔符之间的无效字符

Question

如果字段中有逗号，但整体用引号括起来，那么我不应该将其视为列分隔符。如何才能做到这一点？

示例aaaa, "bb,bb", cccc ，我得到 aaaa | bb | bb |ccc

我怎样才能收到aaaa | "bb,bb" | cccc？

public List<CSVRecord> collectAllEntries(Path path) throws IOException {
        logger.info("Parsing the input file" + path);
        List<CSVRecord> store = new ArrayList<>();
        try (
                Reader reader = Files.newBufferedReader(path, Charset.forName("ISO-8859-2"));
                CSVParser csvParser = new CSVParser(reader, CSVFormat.EXCEL.withQuote(';'))
        ) {
            for (CSVRecord csvRecord : csvParser) {
                store.add(csvRecord);
            }
        } catch (IOException e) {
            e.printStackTrace();
            throw e;
        }
        return store;
    }

private void csvToXlsx(Path csvFilePath, Path excelFilePath) throws Exception {
    logger.info("Converting CSV to XLSX" + excelFilePath);
    List<CSVRecord> records = collectAllEntries(csvFilePath);
    XSSFWorkbook myWorkBook = new XSSFWorkbook();
    FileOutputStream writer = new FileOutputStream(new File(excelFilePath.toString()));
    XSSFSheet mySheet = myWorkBook.createSheet();
    IntStream.range(0, records.size())
            .forEach(rowNum -> {
                XSSFRow myRow = mySheet.createRow(rowNum);
                CSVRecord record = records.get(rowNum);
                for (int i = 0; i < record.size(); i++) {
                    XSSFCell myCell = myRow.createCell(i);
                    myCell.setCellValue(record.get(i));
                }
            });
        myWorkBook.write(writer);
        writer.close();
    }

Answer 1

 private void processOrderSet(HashMap<String, List<CSVRecord>> entries, FileWriter out, List<String> headers) throws IOException {
        try (CSVPrinter printer = new CSVPrinter(out, CSVFormat.EXCEL.withHeader(headers.toArray(new String[0])).withQuote('"').withDelimiter(';'))) 

……

Answer 2

使用最新版本的 commons-csv-1.8 时，以下对我有用：

    Reader in = new StringReader("aaaa,\"bb,bb\",cccc");
    Iterable<CSVRecord> records = CSVFormat.DEFAULT.withDelimiter(',').withQuote('"').parse(in);
    for (CSVRecord record : records) {
        for (int i = 0; i < record.size(); i++) {
            System.out.println("At " + i + ": " + record.get(i));
        }
    }

以及使用预定义的 EXCEL 格式：

    Iterable<CSVRecord> records = CSVFormat.EXCEL.parse(in);