@Override
    public void processRecord(Record record) {
        XlsRecordHandler handler = XLS_RECORD_HANDLER_MAP.get(record.getSid());
        if (handler == null) {
            return;
        }
        handler.processRecord(xlsReadContext, record);
    }
Processes a specific record by delegating it to the appropriate handler based on its SID.

@param record The record to be processed.
fastexcel-core/src/main/java/cn/idev/excel/analysis/v03/XlsListSheetListener.java