@Override
    public Boolean convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty,
                                     GlobalConfiguration globalConfiguration) {
        return Boolean.valueOf(cellData.getStringValue());
    }
Boolean and string converter

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