public ExcelReaderBuilder mandatoryUseInputStream(Boolean mandatoryUseInputStream) {
        readWorkbook.setMandatoryUseInputStream(mandatoryUseInputStream);
        return this;
    }
Mandatory use 'inputStream' .Default is false.
<p>
if false, Will transfer 'inputStream' to temporary files to improve efficiency
fastexcel-core/src/main/java/cn/idev/excel/read/builder/ExcelReaderBuilder.java