@Override
    public Byte convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty,
                                  GlobalConfiguration globalConfiguration) {
        if (cellData.getBooleanValue()) {
            return ONE;
        }
        return ZERO;
    }
Byte and boolean converter

@author Jiaju Zhuang
fastexcel-core/src/main/java/cn/idev/excel/converters/byteconverter/ByteBooleanConverter.java