@Override
    public WriteCellData<?> convertToExcelData(Boolean value, ExcelContentProperty contentProperty,
                                               GlobalConfiguration globalConfiguration) {
        return new WriteCellData<>(value.toString());
    }
Boolean and string converter

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