@Override
    public WriteCellData<?> convertToExcelData(BigDecimal value, ExcelContentProperty contentProperty,
                                               GlobalConfiguration globalConfiguration) {
        if (BigDecimal.ONE.equals(value)) {
            return new WriteCellData<>(Boolean.TRUE);
        }
        return new WriteCellData<>(Boolean.FALSE);
    }
Converts Java type BigDecimal to Excel cell data.
If the value is BigDecimal.ONE, returns a WriteCellData containing true, otherwise returns a WriteCellData containing false.

@param value                  Java type BigDecimal value.
@param contentProperty        Excel content property.
@param globalConfiguration    Global configuration.
@return                       Returns the converted Excel cell data.
fastexcel-core/src/main/java/cn/idev/excel/converters/bigdecimal/BigDecimalBooleanConverter.java