我正在使用 Univocity 使用以下代码将结果集转换为 CSV 格式的字符串:
StringWriter stringWriter = new StringWriter();
CsvWriterSettings csvWriterSettings = new CsvWriterSettings();
ResultSetMetaData metaData = resultSet.getMetaData();
int columnCount = metaData.getColumnCount();
String headers[] = new String[columnCount];
for (int i = 0; i < columnCount; i++) {
headers[i] = metaData.getColumnLabel(i + 1);
}
for (int i = 0; i < headers.length; i++) {
if (fieldMapping != null && fieldMapping.containsKey(headers[i])) {
headers[i] = fieldMapping.get(headers[i]);
}
}
csvWriterSettings.setHeaders(headers);
csvWriterSettings.setHeaderWritingEnabled(true);
if (csvSeparator != null) {
csvWriterSettings.getFormat().setDelimiter(csvSeparator.charAt(0));
}
if (isQuoteFields) {
csvWriterSettings.setQuoteAllFields(true);
}
if (isCStyleEscape) {
csvWriterSettings.getFormat().setQuoteEscape(',');
csvWriterSettings.getFormat().setCharToEscapeQuoteEscaping('\\');
}
CsvRoutines csvRoutines = new CsvRoutines(csvWriterSettings);
csvRoutines.write(resultSet, stringWriter);
return stringWriter.toString();
我正在尝试在输出中设置自定义标头,但返回的输出始终具有默认标头。
有什么方法可以在输出 csv 格式字符串中设置我自己的标题值。